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Is < faster than
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No, it will not be faster on most architectures. You didn't specify, but on x86, all of the integral comparisons will be typically implemented in two machine instructions:
A test or cmp instruction, which sets EFLAGS
And a Jcc ...
In Java 8 how do I transform a Map to another Map using a lambda?
... started looking at Java 8 and to try out lambdas I thought I'd try to rewrite a very simple thing I wrote recently. I need to turn a Map of String to Column into another Map of String to Column where the Column in the new Map is a defensive copy of the Column in the first Map. Column has a copy c...
Getting current device language in iOS?
...rica and I set my language to Japanese, my region will still be English (United States). In order to retrieve the currently selected language, you can do:
NSString * language = [[NSLocale preferredLanguages] firstObject];
This will return a two letter code for the currently selected language. "en...
How to easily map c++ enums to strings
...yEnum, char const*> will work nicely. (No point in copying your string literals to std::strings in the map)
For extra syntactic sugar, here's how to write a map_init class. The goal is to allow
std::map<MyEnum, const char*> MyMap;
map_init(MyMap)
(eValue1, "A")
(eValue2, "B")
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Disable intellij indexing on specific folder
...e .deploy folder which is created/updated when I deploy my app locally. Is it possible to disable indexing on that folder? Everything slows down whenever I deploy and it's really annoying - I have to wait a few minutes whilist intellij doing unnecessary indexing. In module view I excluded that folde...
In a javascript array, how do I get the last 5 elements, excluding the first element?
adding additional examples:
6 Answers
6
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Convert blob to base64
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edited Jul 18 at 7:14
answered Sep 6 '13 at 5:05
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How can I force WebKit to redraw/repaint to propagate style changes?
...rence is enough
sel.style.display='';
I’ll let someone else comment if it works for styles other than “block”.
Thanks, Vasil!
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define() vs. const
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As of PHP 5.3 there are two ways to define constants: Either using the const keyword or using the define() function:
const FOO = 'BAR';
define('FOO', 'BAR');
The fundamental difference between those two ways is that const defines constants at compile time, whereas define defin...
How to execute shell command in Javascript
I want to write a JavaScript function which will execute the system shell commands ( ls for example) and return the value.
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