大约有 40,000 项符合查询结果（耗时：0.0556秒） [XML]
What's the difference between “STL” and “C++ Standard Library”?
...me differences. These differences are even more pronounced in the upcoming new C++ standard, which includes various features and significantly alters some classes.
The original STL is now often called "an implementation of the C++ Standard Template Library" (rather backwards to actual history!), in...
Sending message through WhatsApp
...ackageManager pm=getPackageManager();
try {
Intent waIntent = new Intent(Intent.ACTION_SEND);
waIntent.setType("text/plain");
String text = "YOUR TEXT HERE";
PackageInfo info=pm.getPackageInfo("com.whatsapp", PackageManager.GET_META_DATA);
//Check if pac...
C++11 features in Visual Studio 2012
...o to summarize what is already linked to in other answers, here is what is new in Visual Studio 11 that was not part of Visual Studio 2010:
rvalue references to version 2.1 from 2.0
lambdas to version 1.1 from 1.0.
decltype to version 1.1 from 1.0(not yet available in developer preview)
Improved, ...
How many threads can a Java VM support?
...lic static void main(String[] argv){
for(;;){
new Thread(new SomeRunaable).start();
}
}
}
(and don't complain about little syntax details, I'm on my first cup of coffee) then you should certainly expect to get hundreds or thousands of threads r...
How efficient is locking an unlocked mutex? What is the cost of a mutex?
...
Thanks, that mostly answers my question. I didn't knew that the kernel (e.g. the Linux kernel) handles mutexes and you control them via syscalls. But as the Linux itself manages the scheduling and context switches, this makes sense. But now I have a rough imagination about wh...
How to map calculated properties with JPA and Hibernate
...
The new link to the article is: blog.eyallupu.com/2009/07/hibernate-derived-properties.html
– Adnan
Jan 17 '18 at 6:32
...
ASP.NET Identity DbContext confusion
...else, I found the simplest way is open the IdentityModels.cs, and add your new DbSet in the ApplicationDbContext class.
– SeanOB
Apr 25 '15 at 14:14
|
...
TypeScript: problems with type system
...ById(id);
if (!(canvas instanceof HTMLCanvasElement)) {
throw new Error(`The element of id "${id}" is not a HTMLCanvasElement. Make sure a <canvas id="${id}""> element is present in the document.`);
}
return canvas;
}
Make sure the rendering context is supported by the ...
How to create a file in memory for user to download, but not through server?
...ry or any other library):
save: function(filename, data) {
var blob = new Blob([data], {type: 'text/csv'});
if(window.navigator.msSaveOrOpenBlob) {
window.navigator.msSaveBlob(blob, filename);
}
else{
var elem = window.document.createElement('a');
elem.href =...
How to change the remote repository for a git submodule?
...o update git path.
If repo history is different then you need to checkout new branch manually:
git submodule sync --recursive
cd <submodule_dir>
git fetch
git checkout origin/master
git branch master -f
git checkout master
...