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Performing user authentication in Java EE / JSF using j_security_check
... A small word of advice: you're using request.getSession(false) and calling invalidate() on that. request.getSession(false) may return null if there's no session. Better check if it's null first ;)
– Arjan Tijms
Dec 24 '10 at 17:43
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html onchange event not working
... 'onkeypres', 'onkeyup', etc. is not a solution when one wants to call a function only if the text has changed! Key events produce an unnecessary traffic in this case. (Very strange that this reply has been chosen as a solution, esp. with so meny votes!! I don't downvote it, because I don'...
Convert stdClass object to array in PHP
...ject
* Using __FUNCTION__ (Magic constant)
* for recursive call
*/
return array_map(__FUNCTION__, $d);
} else {
// Return array
return $d;
}
}
share
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Diagnosing Memory Leaks - Allowed memory size of # bytes exhausted
...gh to find it, I'm afraid. The simplest instrument is to selectively place calls to memory_get_usage and narrow it down to where the code leaks. You can also use xdebug to create a trace of the code. Run the code with execution traces and show_mem_delta.
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How to update attributes without validation
... a.attributes({ ... }).save(false) instead. Or if you don't care (or want) callbacks to be run, checkout update_column.
– Joshua Pinter
Dec 10 '12 at 2:45
27
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JavaScript function order: why does it matter?
JSHint complains when my JavaScript calls a function that is defined further down the page than the call to it. However, my page is for a game, and no functions are called until the whole thing has downloaded. So why does the order functions appear in my code matter?
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Parse JSON in C#
...alizeObject(object o);
This are already part of Json.NET so you can just call them on the JsonConvert class.
Link: Serializing and Deserializing JSON with Json.NET
Now, the reason you're getting a StackOverflow is because of your Properties.
Take for example this one :
[DataMember]
public s...
How to use LINQ to select object with minimum or maximum property value
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Can't do that easily due to the first call to MoveNext() before the loop. There are alternatives, but they're messier IMO.
– Jon Skeet
May 27 '09 at 6:20
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Android: How to stretch an image to the screen width while maintaining aspect ratio?
...nd display it so that it fills the screen horizontally, and stretches vertically to maintain the aspect ratio of the image, on any screen size. Here is my (non-working) code. It stretches the image horizontally, but not vertically, so it is squashed...
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How to handle :java.util.concurrent.TimeoutException: android.os.BinderProxy.finalize() timed out af
...e during normal Application execution, but it will stop at a Native system call, as the context switching is done on the kernel level. So - this is where the Dalvik GC joins the story.
The Dalvik GC code (as implemented in the Dalvik project in the AOSP site) is not a complicated piece of code. The...