When and why to ‘return false’ in JavaScript?
Often, in event handlers, such as onsubmit, returning false is a way to tell the event to not actually fire. So, say, in the onsubmit case, this would mean that the form is not submitted.
Error 500: Premature end of script headers
It was a file permission issue. All files on my website were set to a permission level of ‘644.’ Once I changed the permission level to 705 (chmod 705) everything worked. Note that I changed it to 705, but 755 will also work. I also changed the folder it was in to 701 (to hide …
MySQL SELECT increment counter
This part: makes it possible to introduce a variable without the need of a seperate query. So the first query could also be broken down into two queries like this: for instance when used in a stored procedure.
How to compile LEX/YACC files on Windows?
As for today (2011-04-05, updated 2017-11-29) you will need the lastest versions of: flex-2.5.4a-1.exe bison-2.4.1-setup.exe After that, do a full install in a directory of your preference without spaces in the name. I suggest C:\GnuWin32. Do not install it in the default (C:\Program Files (x86)\GnuWin32) because bison has problems with spaces in directory names, not to say parenthesis. Also, consider installing Dev-CPP in …
Where can i get BigClip? [closed]
The code of BigClip is shown on my answer to this question. It is necessary to compile it for your own use. There is no pre-built Jar you can add to the class-path. (OK, there is a pre-built Jar, but not that I am offering for others to use – brew your own).
Resize image in PHP
You need to use either PHP’s ImageMagick or GD functions to work with images. With GD, for example, it’s as simple as… And you could call this function, like so… From personal experience, GD’s image resampling does dramatically reduce file size too, especially when resampling raw digital camera images.
How to compare dates in Java?
Date has before and after methods and can be compared to each other as follows: For an inclusive comparison: You could also give Joda-Time a go, but note that: Joda-Time is the de facto standard date and time library for Java prior to Java SE 8. Users are now asked to migrate to java.time (JSR-310). Back-ports are available for Java 6 and 7 as well as Android.
What is difference between PHP cli and PHP cgi?
From http://www.php-cli.com/php-cli-cgi.shtml These are the most important differences between CLI and CGI: Unlike the CGI SAPI, CLI writes no headers to the output by default There are some php.ini directives which are overridden by the CLI SAPI because they do not make sense in shell environments: html_errors: CLI default is FALSE implicit_flush: CLI default is TRUE …
Compare dates in MySQL
You can try below query,
Android ListView headers
Here’s how I do it, the keys are getItemViewType and getViewTypeCount in the Adapter class. getViewTypeCount returns how many types of items we have in the list, in this case we have a header item and an event item, so two. getItemViewType should return what type of View we have at the input position. Android will then take care of passing you the right type of View in convertView automatically. Here what …