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PHP: Move associative array element to beginning of array
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If you have numerical array keys and want to reindex array keys, it would be better to put it into array_merge like this:
$myArray = array_merge(array($key => $value) + $myArray );
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Why use a ReentrantLock if one can use synchronized(this)?
I'm trying to understand what makes the lock in concurrency so important if one can use synchronized (this) . In the dummy code below, I can do either:
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Detect rotation of Android phone in the browser with JavaScript
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Just to clarify: Those looking for a solution that also works on iOS should look at two-bit-fool's or my answer.
– mklement0
Dec 10 '12 at 16:39
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In Rails - is there a rails method to convert newlines to ?
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simple_format is security risk if using it for a web app. It relies on Rails interpreting special syntax like javascript:alert(\no!\) as given in the reference. There could be endless variations and future variations for malicious hackers to work with.
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Why extend the Android Application class?
...ither preferable to another approach or necessary to accomplish something. If you have an expensive, frequently used object you can initialize it in an IntentService when you detect that the object isn't currently present. Application itself runs on the UI thread, while IntentService runs on its own...
Regular expression for letters, numbers and - _
I'm having trouble checking in PHP if a value is is any of the following combinations
6 Answers
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Regular expression \p{L} and \p{N}
...nd of numeric character in any script.
Source: regular-expressions.info
If you're going to work with regular expressions a lot, I'd suggest bookmarking that site, it's very useful.
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Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
I've found what I believe to be a bug with Firefox and I'm wondering if this actually is a bug, as well as any workarounds for this.
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Unique combination of all elements from two (or more) vectors
...trying to create a unique combination of all elements from two vectors of different size in R.
5 Answers
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How to cast List to List
...s is too complicated, and it is not perfect. Sometimes you just don't know if there is a pretty solution to satisfy the compiler, even though you know very well the runtime types and you know what you are trying to do is safe. In that case, just do the crude casting as needed, so you can leave work ...