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Programming articles 3795

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How to allow ping an AWS EC2 instance (cannot ping EC2 instance)
Others

  • Estimated reading time: 1 Minute

How to allow ping an AWS EC2 instance (cannot ping EC2 instance)

Learn how to allow the ping to your EC2 instance.

Carlos Delgado

  • May 7, 2018

40787
How to implement a software RAID 1 Array (mirror) in Ubuntu 16.04
Ubuntu

  • Estimated reading time: 5 Minutes

How to implement a software RAID 1 Array (mirror) in Ubuntu 16.04

Learn how to create a mirror level (1) RAID in Ubuntu.

Carlos Delgado

  • May 6, 2018

23533
How to solve MySQL Syntax error or access violation: 1055 Expression of SELECT list is not in GROUP BY clause and contains nonaggregated column which is not functionally dependent on columns in GROUP BY clause
Others

  • Estimated reading time: 2 Minutes

How to solve MySQL Syntax error or access violation: 1055 Expression of SELECT list is not in GROUP BY clause and contains nonaggregated column which is not functionally dependent on columns in GROUP BY clause

Learn how to solve the MySQL error 1055 caused by the usage of the sql mode only_full_group_by.

Carlos Delgado

  • Apr 29, 2018

64965
How to Get Rid of the PHP Warning: json_encode() expects parameter 2 to be long, string given
PHP

  • Estimated reading time: 2 Minutes

How to Get Rid of the PHP Warning: json_encode() expects parameter 2 to be long, string given

Learn why this warning appears in your PHP code and how to solve it.

Carlos Delgado

  • Apr 22, 2018

16916
How to delete saved/cached passwords in SVN Tortoise
Others

  • Estimated reading time: 1 Minute

How to delete saved/cached passwords in SVN Tortoise

Learn how to delete all the stored credentials in TortoiseSVN.

Carlos Delgado

  • Apr 22, 2018

54272
Implementing a side to side multi select element with jQuery
jQuery

  • Estimated reading time: 3 Minutes

Implementing a side to side multi select element with jQuery

Learn how to implement an useful side to side multi select in jQuery.

Carlos Delgado

  • Apr 15, 2018

25291
How to get and display all the errors of an invalid form in Symfony 1.4
Symfony

  • Estimated reading time: 1 Minute

How to get and display all the errors of an invalid form in Symfony 1.4

Learn how to retrieve all the errors of an invalid form in Symfony 1.4 easily

Carlos Delgado

  • Apr 15, 2018

12893
How to return a JSON response with Symfony 1.4
Symfony

  • Estimated reading time: 1 Minute

How to return a JSON response with Symfony 1.4

Learn how to return a JSON string as response from an action in Symfony 1.4

Carlos Delgado

  • Apr 13, 2018

13333
How to change the default length (duration) of an event in dhtmlxScheduler
Javascript

  • Estimated reading time: 2 Minutes

How to change the default length (duration) of an event in dhtmlxScheduler

Learn how to change the length of a default event (created by a simple click on the scheduler) in dhtmlxScheduler.

Carlos Delgado

  • Apr 8, 2018

7091
Top 7: Best Open Source JavaScript and jQuery File Uploader Plugins
Tops

  • Estimated reading time: 3 Minutes

Top 7: Best Open Source JavaScript and jQuery File Uploader Plugins

See our review from 7 of the best JavaScript & jQuery plugins to implement fancy and useful file uploaders for your user.

Carlos Delgado

  • Apr 1, 2018

59874
Converting bytes to human readable values (KB, MB, GB, TB, PB, EB, ZB, YB) with PHP
PHP

  • Estimated reading time: 2 Minutes

Converting bytes to human readable values (KB, MB, GB, TB, PB, EB, ZB, YB) with PHP

Learn how to convert a value of bytes into an easily readable bytes format with PHP.

Carlos Delgado

  • Mar 31, 2018

29608
How to print safely a string variable from PHP in JavaScript with Symfony 1.4
Symfony

  • Estimated reading time: 2 Minutes

How to print safely a string variable from PHP in JavaScript with Symfony 1.4

Learn how to safely print a string from the PHP context to a JavaScript context.

Carlos Delgado

  • Mar 31, 2018

8483
How to add support for Markdown in Netbeans
Web development

  • Estimated reading time: 1 Minute

How to add support for Markdown in Netbeans

Learn how to add markdown support for Netbeans.

Carlos Delgado

  • Mar 29, 2018

17163
Implementing a custom 500 error page for exceptions in Symfony 1.4
Symfony

  • Estimated reading time: 4 Minutes

Implementing a custom 500 error page for exceptions in Symfony 1.4

Learn how to implement a custom 500 error page for exceptions in the production environment in Symfony 1.4

Carlos Delgado

  • Mar 29, 2018

11628
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