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jquery if div id has children
... this:
if( $('#myfav')[0].hasChildNodes() ) { ... }
Note that this also includes simple text nodes, so it will be true for a <div>text</div>.
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How do I get class name in PHP?
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While this code snippet may be the solution, including an explanation really helps to improve the quality of your post. Remember that you are answering the question for readers in the future, and those people might not know the reasons for your code suggestion.
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What is the difference between a strongly typed language and a statically typed language?
...technically it is weakly typed.
Examples of truly strongly typed languages include CLU, Standard ML, and Haskell. Standard ML has in fact undergone several revisions to remove loopholes in the type system that were discovered after the language was widely deployed.
What's really going on here?
Ov...
How to capitalize the first letter of a String in Java?
...= "CAt"
StringUtils.capitalize("'cat'") = "'cat'"
Note:
WordUtils is also included in this library, but is deprecated. Please do not use that.
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warning: Insecure world writable dir /usr/local/bin in PATH, mode 040777
... error here MacOSX 10.6.8 - it seems ruby checks to see if any directory (including the parents) in the path are world writable. In my case there wasn't a /usr/local/bin present as nothing had created it.
so I had to do
sudo chmod 775 /usr/local
to get rid of the warning.
A question here is d...
how to read System environment variable in Spring applicationContext
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In your bean definition, make sure to include "searchSystemEnvironment" and set it to "true". And if you're using it to build a path to a file, specify it as a file:/// url.
So for example, if you have a config file located in
/testapp/config/my.app.config.pro...
Emacs in Windows
... if no server is running (open all your files in the same Emacs window)
it includes several useful packages such as Nxml
it has a Windows installer or you can build it from sources
And concerning XEmacs, according to this post by Steve Yegge:
To summarize, I've argued that XEmacs has a much lo...
Aspect Oriented Programming vs. Object-Oriented Programming
...rflow.com/a/8843713/15809 This code logs every call to every public method including all method argument types and values. You write this exactly once and there is zero boilerplate code added to any method, it's just the code shown in the answer.
– Mecki
Jul 1 ...
How can mixed data types (int, float, char, etc) be stored in an array?
... it's not possible. You could work around it by creating a variant type:
#include <stdio.h>
#define SIZE 3
typedef enum __VarType {
V_INT,
V_CHAR,
V_FLOAT,
} VarType;
typedef struct __Var {
VarType type;
union {
int i;
char c;
float f;
};
} Var;
void var_init_int(Va...
How to upload files to server using JSP/Servlet?
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You need the common-io.1.4.jar file to be included in your lib directory, or if you're working in any editor, like NetBeans, then you need to go to project properties and just add the JAR file and you will be done.
To get the common.io.jar file just google it or ju...