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python list by value not by reference [duplicate]
...ernatives compare with each other in terms of performance:
In [1]: import timeit
In [2]: timeit.timeit('b.extend(a)', setup='b=[];a=range(0,10)', number=100000000)
Out[2]: 9.623248100280762
In [3]: timeit.timeit('b = a[:]', setup='b=[];a=range(0,10)', number=100000000)
Out[3]: 10.84756088256836
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filters on ng-model in an input
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Cursor jumps to the end of the textfield each time you type an invalid character, try to write 'world' and modify it to 'HeLLo world'!
– Hafez Divandari
Jan 17 '15 at 0:10
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JavaScript hide/show element
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Sometimes JQuery isn't necessary; if this is the only thing you need to do on a page, the overhead of loading the library far outweighs the need to write concise JavaScript.
– GlennG
Oct 2...
Connecting overloaded signals and slots in Qt 5
... value even if it's usually void (for signals).
So I've found myself sometimes using this C++11 snippet:
template<typename... Args> struct SELECT {
template<typename C, typename R>
static constexpr auto OVERLOAD_OF( R (C::*pmf)(Args...) ) -> decltype(pmf) {
retur...
Spring MVC - How to get all request params in a map in Spring controller?
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@AdamGent The question was asked at a time when Spring 3.2 was not yet released. Go back and take a look at the JavaDoc for 3.1, and you will notice there is no such mention of utilizing @RequestParam on a Map<String,String> to retrieve all query string pa...
Best data type to store money values in MySQL
.... but running a small biz in the UK... I remember reading somewhere a long time ago that currency figures should be stored to 4 decimals even for £, $, etc. so that certain calculations might actually use the last 2 decimal places for certain obscure accounting contexts. Wd need an accountant to c...
jQuery Validation plugin: disable validation for specified submit buttons
...opposite to lepe's answer) form submission and skip validation at the same time?
– ivan
Apr 13 '12 at 14:55
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Using Panel or PlaceHolder
...ut I hate the fact I cant put other controls inside placeholders at design time in the GUI.
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final keyword in method parameters [duplicate]
... compile error, because it isn't guaranteed anymore that the value is a runtime constant. Changing the value from outside the anonymous class would namely cause the anonymous class instance to behave different after the moment of creation.
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Action bar navigation modes are deprecated in Android L
...d: The PagerTabStrip is part of the support library (and has been for some time) and serves as a direct replacement. If you prefer the newer Google Play style tabs, you can use the PagerSlidingTabStrip library or modify either of the Google provided examples SlidingTabsBasic or SlidingTabsColors as ...