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How does this print “hello world”?
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The number 4946144450195624 fits 64 bits, its binary representation is:
10001100100100111110111111110111101100011000010101000
The program decodes a character for every 5-bits group, from right to left
00100|01100|10010|01111|10111|11111|01111|01100|011...
How to find if an array contains a specific string in JavaScript/jQuery? [duplicate]
...e given value), or -1 if the given value was not found in the array.
Live demo: http://jsfiddle.net/simevidas/5Gdfc/
You probably want to use this like so:
if ( $.inArray('specialword', arr) > -1 ) {
// the value is in the array
}
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C++ Lock-free Hazard Pointer（冒险指针） - C/C++ - 清泛网 - 专注C/C++及内核技术
...expr int W = 1000;
std::vector<std::thread> threads;
std::atomic<uint64_t> sum{0};
for (int t = 0; t < N; ++t) {
threads.emplace_back([&, t] {
for (int i = 0; i < M; ++i) {
if (i % W == 0) {
// write less
HazardPointer<A>::Update(target, new A(t * ...
Best way to check for “empty or null value”
...SELECT stringexpression
, stringexpression = '' AS base_test
, (stringexpression = '') IS NOT FALSE AS test1
, (stringexpression <> '') IS NOT TRUE AS test2
, coalesce(stringexpression, '') = '' AS coalesce1
, coalesce(stringexpression, ' ...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...e that I am testing with is around 350MB . Is it a good option to use NIO based classes for File I/O, if I am not looking at random access or other such advanced features?
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append multiple values for one key in a dictionary [duplicate]
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Mad PhysicistMad Physicist
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Best way to detect when a user leaves a web page?
... It also allows you to ask back if the user really wants to leave. See the demo onbeforeunload Demo.
Alternatively, you can send out an Ajax request when he leaves.
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Immutability of Strings in Java
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davebdaveb
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Golang tests in sub-directory
...y update and run traditional Go tests as well as GoConvey tests (which are based on behavior, and are more self-documenting than traditional Go tests).
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How to Resize a Bitmap in Android?
I have a bitmap taken of a Base64 String from my remote database, ( encodedImage is the string representing the image with Base64):
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