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Showing entries 1 to 30 of 36 Next 6 Older Entries

Displaying posts with tag: javascript (reset)

Which tech do startups use most?
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Leo Polovets of Susa Ventures publishes an excellent blog called Coding VC. There you can find some excellent posts, such as pitches by analogy, and an algorithm for seed round valuations and analyzing product hunt data. He recently wrote a blog post about a topic near and dear to my heart, Which Technologies do Startups […]
We’re Hiring! And Looking to Add More 9s to the Severalnines Team!
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August 15, 2014 By Severalnines

 

 

We're looking for an energetic and talented web developer to join our small but agile web team. This position is full-time and pay is negotiable. The hours are flexible and work can be done remotely.

 

Severalnines is a self-funded startup with a dozen employees; headquartered in Stockholm, Sweden and with a globally distributed, home-office based team. We provide automation and

  [Read more...]
Really large NLP corpora
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Jeeze people. You’re all noisy. I’m sure it was all done for posterity’s sake.

23M     irclogs/MagNET/#perl.log
29M     irclogs/freenode/#mysql.log
36M     irclogs/freenode/#debian.log
37M     irclogs/foonetic/#xkcd.log
39M     irclogs/OFTC/#debian.log
43M     irclogs/freenode/#jquery.log
44M     irclogs/freenode/#perl.log

$ for file in irclogs/MagNET/#perl.log irclogs/freenode/#mysql.log irclogs/freenode/#debian.log irclogs/foonetic/#xkcd.log irclogs/OFTC/#debian.log irclogs/freenode/#jquery.log irclogs/freenode/#perl.log; do echo -n "$file: " ; head -1 $file ; done
irclogs/MagNET/#perl.log: --- Log opened Thu May 26 08:31:32 2011
irclogs/freenode/#mysql.log: --- Log opened Wed Dec 28 09:03:49 2011
irclogs/freenode/#debian.log: --- Log opened Tue Mar 12 12:52:40 2013
irclogs/foonetic/#xkcd.log: --- Log opened Wed Dec 28 19:33:43 2011
irclogs/OFTC/#debian.log: --- Log
  [Read more...]
Webinar Replay + Q&A – Developing JavaScript Applications for Node.js with MySQL and NoSQL
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On Thursday 12th September I co-presented a webinar on how MySQL Cluster delivers the key benefits of NoSQL Data Stores without having to give up the features that people rely on from relational databases (consistency, SQL etc.). There was a particular focus on how to use the new node.js JavaScript API which was recently released as part of MySQL Cluster 7.3. If you weren’t able to attend the live event then the webinar replay is available here (http://www.mysql.com/news-and-events/on-demand-webinars/#en-20-28"

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Webinar – Developing JavaScript Applications for Node.js with MySQL and NoSQL
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Note that the webinar replay + transcript of the Questions and Answers is now available from here.

On Thursday 12th September I’ll be co-presenting a free webinar on how MySQL Cluster delivers the key benefits of NoSQL Data Stores without having to give up the features that people rely on from relational databases (consistency, SQL etc.). There will be particular

  [Read more...]
Poll: What programming languages and platforms do you use?
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What programming languages and platforms do you use for large-scale projects in your organization?

If something is missing from the list please leave a comment and share your story. Thanks!

Note: There is a poll embedded within this post, please visit the site to participate in this post's poll.

The post Poll: What programming languages and platforms do you use? appeared first on MySQL Performance Blog.

Using JavaScript and Node.js with MySQL Cluster – First steps
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We’re very pleased to announce that MySQL Cluster 7.3 has gone GA; for a full run-down of the new features and enhancements, take a look at the "MySQL Cluster 7.3 New Features for Internet-Scale Performance with Carrier-Grade Availability" white paper (http://www.mysql.com/why-mysql/white-papers/mysql-cluster-7-2-new-features-whitepaper/) but this post will focus on just one of the features – the MySQL Cluster JavaScript Driver for Node.js. The post will step you through setting everything up so that you can get your first Node.js code reading and writing from MySQL Cluster.

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MySQL Cluster Tutorial: NoSQL JavaScript Connector for Node.js
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This tutorial has been authored by Craig Russell and JD Duncan

The MySQL Cluster team are working on a new NoSQL JavaScript connector for MySQL. The objectives are simplicity and high performance for JavaScript users:

- allows end-to-end JavaScript development, from the browser to the server and now to the world's most popular open source database

- native "NoSQL" access to the storage layer without going first through SQL transformations and parsing.

Node.js is a complete web platform built around JavaScript designed to deliver millions of client connections on commodity hardware. With the MySQL NoSQL Connector for JavaScript, Node.js users can easily add data access and persistence to their web, cloud, social and

  [Read more...]
General: new site theme based on Twitter Bootstrap
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Just a quick note to say that the site has been updated to a new theme which is based on the super awesome Twitter Bootstrap UI framework. To make life easier, since this site is also using WordPress at the core, I’ve made use of the WordPress Bootstrap plugin which allows for very simple integration. However, that wasn’t enough because the Bootstrap plugin comes with rather basic and boring generic styles; so I added the plugin for Google Font support and then modified the CSS accordingly.

You will also notice that the site is undergoing some reorganization of categories and content tags. This should help clean up search results as

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Simple jQuery: how to validate IPv4 addresses and netmasks
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Unfortunately jQuery doesn’t come with default form validation to check for ip-addresses or subnet masking. So without a long winded explanation here’s the code. Just include this as a separate JS file like the rest of your page’s JS.

// 'ipv4': IPv4 Address Validator
$.validator.addMethod('ipv4', function(value) {
    var ipv4 = /^[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}$/;    
    return value.match(ipv4);
}, 'Invalid IPv4 address');

// 'netmask': IPv4 Netmask Validator
$.validator.addMethod('netmask', function(value) {
    var mask = /^[1-2]{1}[2,4,5,9]{1}[0,2,4,5,8]{1}\.
[0-2]{1}[0,2,4,5,9]{1}[0,2,4,5,8]{1}\.
[0-2]{1}[0,2,4,5,9]{1}[0,2,4,5,8]{1}\.
[0-9]{1,3}$/;    
    return value.match(mask);
}, 'Invalid IPv4 netmask');

You can use it like this.

$("#myform_here").validate({
    rules:{
	ipaddress:{
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This Week In Website Performance
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This Week in Website Performance is a weekly feature of the Monitis.com blog. It summarizes recent articles about website performance. Why? Because your friends at Monitis.com care.


Full table scan vs full index scan performance

Author: Stephane Combaudon.

Using full index scans are not always faster than a full table scan. Stephane explores the situations in which a sequential read through of a full table

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Open World 2012
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In prior years a daily update from Open World was possible, but this year my schedule was too full to support it. This is my compendium of thoughts about MySQL Connect, JavaOne, and Open World 2012.

MySQL Connect was great – good sessions re-enforcing the positive investments Oracle is making in the product. I’ll leave to others to qualify changes in what elements of technology are opened or closed along the road to a better MySQL. The announcement of Connector/Python 1.0 GA on Saturday was great news and as a community we owe a lot to Greet Vanderkelen.

NoSQL is a hot topic along with using JSON objects and it was interesting hearing of some unequal testing paradigms to position non-Oracle solutions to be

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Tutorial: Getting Started with the NoSQL JavaScript / Node.js API for MySQL Cluster
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Tutorial authored by Craig Russell and JD Duncan 

The MySQL Cluster team are working on a new NoSQL JavaScript connector for MySQL. The objectives are simplicity and high performance for JavaScript users:

- allows end-to-end JavaScript development, from the browser to the server and now to the world's most popular open source database

- native "NoSQL" access to the storage layer without going first through SQL transformations and parsing.

Node.js is a complete web platform built around JavaScript designed to deliver millions of client connections on commodity hardware. With the MySQL NoSQL Connector for JavaScript, Node.js users can easily add data access and persistence to their web, cloud, social and mobile applications.

While the initial implementation is designed to plug and play with Node.js, the actual

  [Read more...]
Finding out What’s Next at BarCampMel 2012 with Drizzle, SQL, JavaScript and a web browser
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Just for the pure insane fun of it, I accepted the challenge of “what can you do with the text format of the schedule?” for BarCampMel. I’m a database guy, so I wanted to load it into a database (which would be Drizzle), and I wanted it to be easy to keep it up to date (this is an unconference after all).

So… the text file itself isn’t in any standard format, so I’d have to parse it. I’m lazy and didn’t want to leave the comfort of the database. Luckily, inside Drizzle, we have a js plugin that lets you execute arbitrary JavaScript. Parsing solved. I needed to get the program and luckily we have the http_functions plugin that uses libcurl to

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The blog was down yesterday
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The brief outage was due to a scheduled move of the servers to a separate rack and subnet dedicated to our work with the Center for Information Assurance & Cybersecurity (ciac) at the University of Washington Bothell (uwb), and a11y.com

I am currently exercising the new (to us) equipment and hope to winnow the less than awesome equipment over the next quarter. I spent the last six months finding the best in breed of the surplussed DL385 and DL380 chassis we (work) were going to have recycled. The team and I were able to find enough equipment to bring up one of each with eight and six gigs of memory, respectively. These will make excellent hypervisors for provisioning embedded instances of Slackware, Fedora, RHEL, CentOS, Debian, FreeBSD, OpenSolaris, OpenIndiana, FreeDOS, etc.

When I initially configured this xen paravirt environment, I failed to plan for integration with libvirt, so I am

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MQL-to-SQL: A JSON-based query language for your favorite RDBMS - Part III
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This is the third article in a series providing background information to my talk for the MySQL User's conference, entitled MQL-to-SQL: a JSON-based Query Language for RDBMS Access from AJAX Applications.

In the first installment, I introduced freebase, an open shared database of the world's knowledge and its JSON-based query language, the Metaweb Query Language (MQL, pronounced Mickle). In addition, I discussed

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MQL-to-SQL: A JSON-based query language for your favorite RDBMS - Part I
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Yesterday, I wrote about how I think this year's MySQL conference will differ from prior editions. I also wrote that I will attend and that I will be speaking on MQL-to-SQL.

I promised I would explain a little bit more background about my talk, so here's the first installment.

Abstract: MQL is a JSON-based database query language that has some very interesting features as compared to SQL, especially for modern (



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Speaking at the MySQL conference 2011
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I just received a confirmation that my presentation proposal for the MySQL user conference 2011 was accepted! The title for my proposal is MQL-to-SQL: a JSON-based Query Language for RDBMS Access from AJAX Applications, and it covers pretty much everything implied by the title.

As always, the Hyatt Regency Hotel in Santa Clara, California serves as the venue. The conference will be held from April 11-14. Except for the venue and period, I think this year's conference will bear few similarities to previous editions. Let me try and explain.

This year's theme is "MySQL, the ecosystem and



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Developer Week in Review
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Here's what's new for the trendy developer this week:

Java's future on Apple: Slightly less in doubt

Last week, it looked like Apple was all "You're not welcome here, Java." In the changeable world that is Jobsland, this week Apple was offering to marry the language, reiterating their support for Java in OS X, and indicating that they would be supplying code and resources to the OpenJDK project.

As I've noted before, this makes sense for Apple, because it gets them out of the JVM business, and makes Oracle the one-stop shopping solution for all your JDK and JRE needs. It also means that the Mac can be added as a regression-tested target for a new version of Java, hopefully

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Four short links: 16 September 2010
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  • jsTerm -- ANSI-capable telnet terminal built in HTML5 with Javascript, Websocket, and Node.js. (via waxpancake on Twitter)
  • MySQL EXPLAINer -- visualize the output of the MySQL EXPLAIN command. (via eonarts on Twitter)
  • Google Code University -- updated with new classes, including C++ and Android app development.
  • Cloudtop Applications (Anil Dash) -- Anil calling "trend" on multiplatform native apps with cloud storage. Another layer in the Web 2.0 story Tim's been telling for years, with some interesting
  •   [Read more...]
    Follow-up To Loading CSS And JS Conditionally
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    First of all, I'd like to thank everyone who read and gave their 2 cents about the [WordPress Plugin Development] How To Include CSS and JavaScript Conditionally And Only When Needed By The Posts post. The article was well received and will hopefully spark some optimizations around loading styles and scripts.

    Here are some discussions and mentions around the web:

      [Read more...]
    Vote for me! ... widget for your blog.
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    Most likely you have seen Giuseppe's post showing the latest feature of Planet MySQL. Voting from RSS readers, was one feature I was really hoping for, since the day voting was announced. As I read most blogs using Google Reader.

    Now, I don't remember if it was Dups who asked me, or if I asked him, but all I remember is that I ended up writing a little JavaScript widget, that you can add to your blog. This widget allows readers to vote for your blog on Planet MySQL, all from within your blog.

    Why would you want to add this JavaScript to your blog?
    Because you want to make it very




      [Read more...]
    Hidden Features Of Perl, PHP, Javascript, C, C++, C#, Java, Ruby, Python, And Others [Collection Of Incredibly Useful Lists]
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    Introduction

    StackOverflow is an amazing site for coding questions. It was created by Joel Spolsky of joelonsoftware.com, Jeff Atwood of codinghorror.com, and some other incredibly smart guys who truly care about user experience. I have been a total fan of SO since it went mainstream and it's now a borderline addiction (you can see my StackOverflow badge on the right sidebar).

    The Story

    Update 6/21/09: This server is currently under very heavy load (10-200), even with caching plugins enabled. Please bear with me as I try to

      [Read more...]
    A Pirate Captain visiting the Pacific Northwest
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    About three weeks from now, Rickard Falkvinge (founder of the Pirate Party) will be kicking off the Vancouver Open Web Conference. He’ll be presenting a keynote on how, in just three years, a party with an odd name organized around a narrow electronic frontier platform has become the fourth largest political party in Sweden. It’s an amazing story that makes a good parable about how the

      [Read more...]
    Sequential Web Frontends/Browsers are the Killer
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    Response times of any web application are very critical for the end-user experience. Steve Souders takes a detailed look at several large Web sites and concludes that 80-90% of the end-user response time is spent on the frontend, i.e., program code that is running inside your Web browser.

    Traditional parallelization techniques and caching are without a doubt very effective in the design of scalable Web servers, databases, operating systems and other mission-critical software and hardware components. Assume that all these components are perfectly parallel and optimized, Amdhal's law still suggests that response time improvements will be very modest, or barely measurable.

    Sequential Web Frontends/Browsers are the Killer
    Employee +0 Vote Up -0Vote Down

    Response times of any web application are very critical for the end-user experience. Steve Souders takes a detailed look at several large Web sites and concludes that 80-90% of the end-user response time is spent on the frontend, i.e., program code that is running inside your Web browser.

    Traditional parallelization techniques and caching are without a doubt very effective in the design of scalable Web servers, databases, operating systems and other mission-critical software and hardware components. Assume that all these components are perfectly parallel and optimized, Amdhal's law still suggests that response time improvements will be very modest, or barely measurable.

    Four short links: 2 Mar 2009
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    You open the letterbox. Inside are four interesting links covering politics, mobile business, Javascript, and MySQL:

  • The Minimal Compact (Adam Greenfield) -- a manifesto on "open source constitutions for post-national entities". Sample: "Of interest are alternatives that are designed from the beginning to: Ensure the greatest freedom for the greatest number, without simultaneously abridging the freedoms of others; Permit individuals with common goals and beliefs to act in their own interest at the global level and with all the privileges afforded nation states, even when those individuals are separated by distance; Provide robust resistance to attempts to concentrate power, and other abuses of same."
  •   [Read more...]
    Creating an Ajax Application with Script.aculo.us
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    Hi all,

    Today I'd like to continue a blog series in which I highlight Web application tutorials for NetBeans 6.5. A few changes have been made to tutorials, among which is the featuring of MySQL as the database of choice.

    This second entry in the series will cover the tutorial, "Creating an Ajax Application with Script.aculo.us", which is based on a blog entry by Arun Gupta.

    This tutorial demonstrates the usage of the Java Persistence APIs to implement server side pagination (recommended for large sets of data) and to get and display the results in a text field featuring Ajax functionality. Ajax is a technology that combines (X)HTML, JavaScript, and CSS with the power of XmlHttpRequest in the creation of

      [Read more...]
    Changing Lanes: Leaving Sun/MySQL
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    After having worked for two years and one quarter of a year with MySQL AB (now Sun), I have decided to resign and pursue another career.

    Before I joined MySQL AB I was working as a database consultant and application developer. I knew that joining MySQL would mean giving that up, but I was happy to do so because I really liked the MySQL product. I was also attracted by the company itself, the flexible working hours, working from home, travelling abroad, and, very important, being one of the few companies that is capable creating FOSS software on a commercial basis.

    I have had a splendid time at MySQL AB, and later Sun. I met lots of smart people and travelled to a bunch of places I would probably not've had the chance



      [Read more...]
    ... Ajax and NB, Mural and MDM, RESTful Comet, GF with Hibernate and MySQL, OpenSource Contributors, Grizzlies, Fast JavaScript and more iPhone Rejections
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    A compilation of today's news of interest:

    The NetBeans folks have a new Introductory Tutorial to Ajax, now updated to the forthcoming NetBeans 6.5.

    Srenga points that the DataMashup Service Engine from Mural is Part of GlassFish ESB and also points to Manish's Tutorial on building a Server-Side Data Mashup.

    From Carol a Screencast on RESTful Comet, based

      [Read more...]
    Showing entries 1 to 30 of 36 Next 6 Older Entries

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