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How to split a string literal across multiple lines in C / Objective-C?
...
There are two ways to split strings over multiple lines:
Using \
All lines in C can be split into multiple lines using \.
Plain C:
char *my_string = "Line 1 \
Line 2";
Objective-C:
NSString *my_string = @"Line1 \
Line2";
Better approach
Th...
Switch statement for string matching in JavaScript
...ode would match that in the "xxx.local" branch.
Update: Okay, so technically you can use a switch for substring matching, but I wouldn't recommend it in most situations. Here's how (live example):
function test(str) {
switch (true) {
case /xyz/.test(str):
display("• Matched '...
JavaScript click event listener on class
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This works perfectly. Thank you. I actually didn't realise that jQuery did the looping. Great help Anudeep. Here's your working answer: jsfiddle.net/LWda3/2
– 30secondstosam
Oct 29 '13 at 10:33
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What does the exclamation mark mean in a Haskell declaration?
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It's a strictness declaration. Basically, it means that it must be evaluated to what's called "weak head normal form" when the data structure value is created. Let's look at an example, so that we can see just what this means:
data Foo = Foo Int Int !Int !(May...
What is Java Servlet?
...a particular type of network request - most commonly an HTTP request. Basically servlets are usually used to implement web applications - but there are also various frameworks which operate on top of servlets (e.g. Struts) to give a higher-level abstraction than the "here's an HTTP request, write to...
Markdown and image alignment
...de a class name like so (PHP Markdown Extra):
{.callout}
or, alternatively (Maruku, Kramdown, Python Markdown):
{: .callout}
Then, of course, you can use a stylesheet the proper way:
.callout {
float: right;
}
If yours supports this syn...
How can I solve a connection pool problem between ASP.NET and SQL Server?
...ey remain blocked until the .NET garbage collector closes them for you by calling their Finalize() method.
You want to make sure that you are really closing the connection. For example the following code will cause a connection leak, if the code between .Open and Close throws an exception:
var conn...
How to find the Number of CPU Cores via .NET/C#?
...sical processors
Number of cores
Number of logical processors.
These can all be different; in the case of a machine with 2 dual-core hyper-threading-enabled processors, there are 2 physical processors, 4 cores, and 8 logical processors.
The number of logical processors is available through the En...
check if jquery has been loaded, then load it if false
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I believe appending a script tag to body works in all browsers.
– Steven Lu
Jan 6 '13 at 21:26
3
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How can I get the button that caused the submit from the form submit event?
...document.activeElement);
if (
/* there is an activeElement at all */
$btn.length &&
/* it's a child of the form */
$form.has($btn) &&
/* it's really a submit element */
$btn.is('button[type="submit"], input[type="submit"], input...