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[精华] VC中BSTR、Char和CString类型的转换 - C/C++ - 清泛网 - 专注C/C++及内核技术
....GetBuffer();
// 在这里添加使用p的代码
if(p != NULL) *p = _T('/0');
s.ReleaseBuffer(); // 使用完后及时释放，以便能使用其它的CString成员函数
3、BSTR转换成char*
方法一，使用ConvertBSTRToString。例如：
#include #pragma comment(lib, "comsupp.lib")
in...
NoClassDefFoundError: android.support.v7.internal.view.menu.MenuBuilder
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Is “for(;;)” faster than “while (TRUE)”? If not, why do people use it?
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No ConcurrentList in .Net 4.0?
...hrilled to see the new System.Collections.Concurrent namespace in .Net 4.0, quite nice! I've seen ConcurrentDictionary , ConcurrentQueue , ConcurrentStack , ConcurrentBag and BlockingCollection .
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Counter increment in Bash loop not working
...a temp file for storing the intermediate value:
TEMPFILE=/tmp/$$.tmp
echo 0 > $TEMPFILE
# Loop goes here
# Fetch the value and increase it
COUNTER=$[$(cat $TEMPFILE) + 1]
# Store the new value
echo $COUNTER > $TEMPFILE
# Loop done, script done, delete the file
unlink $TEMPFILE
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Generating random integer from a range
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105
A fast, somewhat better than yours, but still not properly uniform distributed solution is
out...
Tab Vs Space preferences in Vim
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+100
Creating a stab option in Vim itself would not be easy, but I've whipped up this command/function that you can drop in your .vimrc (o...
Find kth smallest element in a binary search tree in Optimum way
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answered Feb 24 '10 at 20:27
IVladIVlad
40.6k1111 gold badges9797 silver badges169169 bronze badges
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Accessing JPEG EXIF rotation data in JavaScript on the client side
...possible (It uses DataView and readAsArrayBuffer which are available in IE10+, but you can write your own data reader for older browsers):
function getOrientation(file, callback) {
var reader = new FileReader();
reader.onload = function(e) {
var view = new DataView(e.target...