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How to use JavaScript regex over multiple lines?
...d against using [^] anyway. On one hand, JavaScript is the only flavor I know that supports that idiom, and even there it's used nowhere near as often as [\s\S]. On the other hand, most other flavors let you escape the ] by listing it first. In other words, in JavaScript [^][^] matches any two ch...
When should one use HTML entities?
...er to read and edit for those who understand what the character means and know how to type it.
UTF-8 encodings are just as unintelligible as HTML entity encodings for those who don't understand them, but they have the advantage of rendering as special characters rather than hard to understand decima...
C++11 emplace_back on vector?
...nction construct shown above cannot compile with clang 3.1(Sorry, I don't know why).
Try next one if you will use clang 3.1 (or other reasons).
void construct(T* p, int a, double b, const string& c) { ::new(static_cast<void*>(p)) T{ a, b, c }; }
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How to use onSavedInstanceState example please
I'm confused when it comes down to saving a state. So I know that onSaveInstanceState(Bundle) is called when the activity is about to be destroyed. But how do you store your information in it and bring it back to its original state in onCreate(Bundle savedInstanceState) ? I don't understand how t...
Cannot install node modules that require compilation on Windows 7 x64/VS2012
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This walkthrough is the best up til now. Nontheless, all this base64 problem is totally unnecessary and annoying!
– Benedikt
Jul 22 '14 at 10:19
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Why are empty catch blocks a bad idea? [closed]
...ng to do, but often it's a sign that a developer saw an exception, didn't know what to do about it, and so used an empty catch to silence the problem.
It's the programming equivalent of putting black tape over an engine warning light.
I believe that how you deal with exceptions depends on what l...
Argument list too long error for rm, cp, mv commands
...r practice to use -exec to execute rm, rather than invoking xargs(which is now 3 processes and a pipe instead of a single process with -delete or 2 processes with -exec).
– scragar
May 20 '14 at 10:10
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How to move an iFrame in the DOM without losing its state?
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I hope someone will find anything specific regarding this issue, but for now here are my findings:
According to Ryosuke Niwa - "That's the expected behavior".
There was a "magic iframe" (webkit, 2010), but it was removed in 2012.
According to MS - "iframe resources are freed when removed from th...
Getting attributes of Enum's value
I would like to know if it is possible to get attributes of the enum values and not of the enum itself? For example, suppose I have the following enum :
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Algorithm to find Largest prime factor of a number
...fast if the input number has two factors very close to its square root is known as Fermat factorisation. It makes use of the identity N = (a + b)(a - b) = a^2 - b^2 and is easy to understand and implement. Unfortunately it's not very fast in general.
The best known method for factoring numbers up t...