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How do I compare two string variables in an 'if' statement in Bash? [duplicate]
...ms to be a lot of times spaces can cause an error, i.e declaring variables etc.
– The Humble Rat
Apr 24 '14 at 12:32
4
...
getting the X/Y coordinates of a mouse click on an image with jQuery [duplicate]
...rHeight(true) - $div.height() to calculate the amount of margin / border / etc.
Your new code might look more like:
<img id='myImg' src='/my/img/link.gif' />
<script type="text/javascript">
$(document).bind('click', function () {
// Add a click-handler to the image.
...
Download attachments using Java Mail
... (Message message : temp) {
Multipart multipart = (Multipart) message.getContent();
for (int i = 0; i < multipart.getCount(); i++) {
BodyPart bodyPart = multipart.getBodyPart(i);
if(!Part.ATTACHMENT.equalsIgnoreCase(bodyPart.getDisposition()) &&
Str...
What are “Groovy” and “Grails” and what kinds of applications are built using them?
...us the power of the JVM (for garbage collection, speed via JIT compilation etc.) and the conciseness of Groovy. The learning curve for a Java programmer to pick up Groovy is supposed to be pretty small (thus leveraging off the huge number of available Java programmers).
It's a very different way of...
Using do block vs braces {}
...u are doing a small operation, for example, a method call or a comparison, etc. so this makes perfect sense:
some_collection.each { |element| puts element }
But if you have slightly complex logic that goes to multiple lines then use do .. end like:
1.upto(10) do |x|
add_some_num = x + rand(10)...
How to view UTF-8 Characters in VIM or Gvim
...
In Linux, Open the VIM configuration file
$ sudo -H gedit /etc/vim/vimrc
Added following lines:
set fileencodings=utf-8,ucs-bom,gb18030,gbk,gb2312,cp936
set termencoding=utf-8
set encoding=utf-8
Save and exit, and terminal command:
$ source /etc/vim/vimrc
At this time VIM wil...
How to check if string input is a number? [duplicate]
How do I check if a user's string input is a number (e.g. -1 , 0 , 1 , etc.)?
24 Answers
...
Simulator or Emulator? What is the difference?
...hat can provide accelerated CPU support, exclusive hardware device access, etc.
– Lee B
Oct 18 '09 at 13:30
Wait, does...
Label Alignment in iOS 6 - UITextAlignment deprecated
...gnmentCenter;
And this:
label.lineBreakMode = kLabelTruncationMiddle;
Etc.
Since these UIText/NSText changes are likely to be popping up for multiple controls, this approach is quite handy.
(Caveat: Being a member of the aforementioned steady-earth lovers, I have tested this with an old vers...
How can I convert ereg expressions to preg in PHP?
...o]', $str);
preg_match('(^hello)', $str);
preg_match('{^hello}', $str);
// etc
If your delimiter is found in the regular expression, you have to escape it:
ereg('^/hello', $str);
preg_match('/^\/hello/', $str);
You can easily escape all delimiters and reserved characters in a string by using pr...