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Determining Referer in PHP
...e. I don't want to use the $_SERVER['HTTP_REFERER'] , because of the (lack of) reliability, and I need the page being called to only come from requests originating on my site.
Edit: I am looking to verify that a script that preforms a series of actions is being called from a page on my website....
HttpUtility does not exist in the current context
I get this error when compiling a C# application. Looks like a trivial error, but I can't get around it.
10 Answers
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performSelector may cause a leak because its selector is unknown
... very rare that this warning should simply be ignored, and it's easy to work around. Here's how:
if (!_controller) { return; }
SEL selector = NSSelectorFromString(@"someMethod");
IMP imp = [_controller methodForSelector:selector];
void (*func)(id, SEL) = (void *)imp;
func(_controller, selector);
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What's the best way of implementing a thread-safe Dictionary?
...e class. You will need to be careful with any events you expose or add, making sure that they get invoked outside of any locks.
public class SafeDictionary<TKey, TValue>: IDictionary<TKey, TValue>
{
private readonly object syncRoot = new object();
private Dictionary<TKey, TV...
Does functional programming replace GoF design patterns?
... of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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How to unbind a listener that is calling event.preventDefault() (using jQuery)?
jquery toggle calls preventDefault() by default, so the defaults don't work.
you can't click a checkbox, you cant click a link etc etc
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Select tableview row programmatically
... can additionally also call selectRowAtIndexPath if you want the UI feedback to happen.
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git clone from another directory
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ChrisChris
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Create a File object in memory from a string in Java
...se that function only with a file. But perhaps there is an overload that takes an InputStream instead?
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Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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