大约有 40,000 项符合查询结果（耗时：0.0567秒） [XML]
Different types of thread-safe Sets in Java
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术
...0则从C100和C101多重继承而来。
struct C041
{
C041() : c_(0x01) {}
virtual void foo() { c_ = 0x02; }
char c_;
};
struct C100 : public virtual C041
{
C100() : c_(0x02) {}
char c_;
};
struct C101 : public virtual C041
{
C101() : c_(0x03) {}
...
iPhone: How to get current milliseconds?
...ose brackets' are a newer version of the syntax according to stackoverflow.com/q/11474284/209828
– Matthew
Nov 7 '13 at 17:38
121
...
Convert Base64 string to an image file? [duplicate]
... data in the function before decoding the string, like so.
function base64_to_jpeg($base64_string, $output_file) {
// open the output file for writing
$ifp = fopen( $output_file, 'wb' );
// split the string on commas
// $data[ 0 ] == "data:image/png;base64"
// $data[ 1 ] == &l...
Getting number of elements in an iterator in Python
...d work:
>>> iter = (i for i in range(50))
>>> sum(1 for _ in iter)
50
Although it does iterate through each item and count them, it is the fastest way to do so.
It also works for when the iterator has no item:
>>> sum(1 for _ in range(0))
0
Of course, it runs foreve...
Xamarin 2.0 vs Appcelerator Titanium vs PhoneGap [duplicate]
...roject shared with native C# views implementation.
References and links
http://www.theregister.co.uk/Print/2013/02/25/cross_platform_abstraction/
http://kevinwhinnery.com/post/22764624253/comparing-titanium-and-phonegap
http://forums.xamarin.com/discussion/1003/your-opinion-about-several-crosspla...
Show the progress of a Python multiprocessing pool imap_unordered call?
... that's successfully doing a multiprocessing Pool set of tasks with a imap_unordered() call:
9 Answers
...
Parallelize Bash script with maximum number of processes
...
With GNU Parallel http://www.gnu.org/software/parallel/ you can write:
some-command | parallel do-something
GNU Parallel also supports running jobs on remote computers. This will run one per CPU core on the remote computers - even if they h...
Input from the keyboard in command line application
...or how I set it up.
Usage from swift
let prompt: Prompt = Prompt(argv0: C_ARGV[0])
while (true) {
if let line = prompt.gets() {
print("You typed \(line)")
}
}
ObjC wrapper to expose libedit
#import <histedit.h>
char* prompt(EditLine *e) {
return "> ";
}
@implemen...
How do I test for an empty JavaScript object?
...
community wiki
14 revs, 14 users 53%Adam Zerner
...