大约有 13,000 项符合查询结果（耗时：0.0237秒） [XML]
Is Meyers' implementation of the Singleton pattern thread safe?
...ngleton*>( &s)));
}
So here's a simple thread-safe Singleton (for Windows). It uses a simple class wrapper for the Windows CRITICAL_SECTION object so that we can have the compiler automatically initialize the CRITICAL_SECTION before main() is called. Ideally a true RAII critical section c...
How should I call 3 functions in order to execute them one after the other?
... in sequence.
In the simplest case this is equivalent to the following:
window.setTimeout(function() {
alert("!");
// set another timeout once the first completes
window.setTimeout(function() {
alert("!!");
}, 1000);
}, 3000); // longer, but first
Here's a general asynch...
How to write Unicode characters to the console?
...e of Console font does not support that particular character. Click on the Windows Tool-bar Menu (icon like C:.) and select Properties -> Font. Try some other fonts to see if they display your character properly:
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How can we make xkcd style graphs?
...
@smillig, from the windows r-release ReadMe: "Binary packages will be available on CRAN about 1-3 days after the sources have been published."
– GSee
May 17 '13 at 12:00
...
Disable browsers vertical and horizontal scrollbars
...t;
An element granted height 100% in the body has the full height of the window viewport, and element positioned absolutely using bottom:nnPX will be set nn pixels above the bottom edge of the window, etc.
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getActionBar() returns null
...
You have to define window type as actionbar before activity render its view.
use
requestWindowFeature(Window.FEATURE_ACTION_BAR);
before calling setContentView() method.
...
How to suppress Update Links warning?
... the above excercise, check ?Application.AskToUpdateLinks in the Immediate window. Is it already set to false or is it true...
– Siddharth Rout
Feb 16 '13 at 9:04
2
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How to determine the encoding of text?
...n encoding sniffed by the chardet library, if you have it installed.
UTF-8
Windows-1252
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How can I find where I will be redirected using cURL?
..., CURLOPT_HEADER, false);
curl_setopt($ch, CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.13) Gecko/20080311 Firefox/2.0.0.13');
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false...
Can I set variables to undefined or pass undefined as an argument?
... global-sniffing, in which case I'd prefer to be explicit and say 'foo' in window, or (4b) testing against the undefined-value itself, in which case I'd prefer to be readable and say foo===undefined. In theory testing typeof against 'undefined' could have a use case that other constructs couldn't pr...