大约有 19,000 项符合查询结果（耗时：0.0343秒） [XML]
Smart pointers: who owns the object? [closed]
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For me, these 3 kinds cover most of my needs:
shared_ptr - reference-counted, deallocation when the counter reaches zero
weak_ptr - same as above, but it's a 'slave' for a shared_ptr, can't deallocate
auto_ptr - when the creation and deallocation happen inside the same funct...
How to override toString() properly in Java?
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that's more elegant
– esQmo_
Oct 20 '19 at 20:56
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What is the difference between screenX/Y, clientX/Y and pageX/Y?
...Y should be used instead of clientX/clientY?
– techie_28
Jul 6 '16 at 9:58
1
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How to set size for local image using knitr for markdown?
...tion:
Resizing local images
As of knitr 1.12, there is the function include_graphics. From ?include_graphics (emphasis mine):
The major advantage of using this function is that it is portable in the sense that it works for all document formats that knitr supports, so you do not need to think if you...
How do I create 7-Zip archives with .NET?
...solution is to use Process.Start("7z.exe......)
– klm_
Oct 1 '17 at 7:34
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How do I check if file exists in jQuery or pure JavaScript?
...le you should be binding OnReadyStateChange event before you check the HTTP_STATUS.
– RobertPitt
Sep 5 '10 at 18:36
8
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Convert Bitmap to File
...eger, String> {
Context context;
Bitmap bitmap;
String path_external = Environment.getExternalStorageDirectory() + File.separator + "temporary_file.jpg";
public fileFromBitmap(Bitmap bitmap, Context context) {
this.bitmap = bitmap;
this.context= context;
}
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How do I Search/Find and Replace in a standard string?
...oldStr,
const std::string& newStr)
{
std::string::size_type pos = 0u;
while((pos = str.find(oldStr, pos)) != std::string::npos){
str.replace(pos, oldStr.length(), newStr);
pos += newStr.length();
}
}
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Parallelize Bash script with maximum number of processes
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cpus=$(getconf _NPROCESSORS_ONLN)
– mr.spuratic
Dec 3 '13 at 18:21
1
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Cell spacing in UICollectionView
...ction
{
return 20;
}
Swift version:
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
return 20
}
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