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解决WaitForSingleObject阻塞UI线程的问题 - C/C++ - 清泛网 - 专注C/C++及内核技术
...塞UI线程
MSG msg;
DWORD dwRet;
while (TRUE)
{
//wait for m_hThread to be over，and wait for
//QS_ALLINPUT（Any message is in the queue）
dwRet = MsgWaitForMultipleObjects(1, &hThread, FALSE, INFINITE, QS_ALLINPUT);
switch(dwRet)
{
case WAIT_OBJECT_0:
break; //br...
如何在Visual Studio中运行和调试汇编代码 - 更多技术 - 清泛网 - 专注C/C++及内核技术
如何在Visual Studio中运行和调试汇编代码使用内联汇编__asm，如下：int _tmain(int argc, _TCHAR* argv[]){ int a = 1; __asm{ ...使用内联汇编__asm，如下：
int _tmain(int argc, _TCHAR* argv[])
{
int a = 1;
__asm{
x...
How to Free Inode Usage?
...ries that contain lots of files, this script may help:
#!/bin/bash
# count_em - count files in all subdirectories under current directory.
echo 'echo $(ls -a "$1" | wc -l) $1' >/tmp/count_em_$$
chmod 700 /tmp/count_em_$$
find . -mount -type d -print0 | xargs -0 -n1 /tmp/count_em_$$ | sort -n
rm ...
Passing parameters to addTarget:action:forControlEvents
... creating several buttons within a for loop:
for (NSInteger i = 0; i < _phoneNumbers.count; i++) {
UIButton *phoneButton = [[UIButton alloc] initWithFrame:someFrame];
[phoneButton setTitle:_phoneNumbers[i] forState:UIControlStateNormal];
[phoneButton setTag:i];
[phoneButton ad...
Create a temporary table in a SELECT statement without a separate CREATE TABLE
...x to your temporary table do:
CREATE TEMPORARY TABLE IF NOT EXISTS
temp_table ( INDEX(col_2) )
ENGINE=MyISAM
AS (
SELECT col_1, coll_2, coll_3
FROM mytable
)
It also works with PRIMARY KEY
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Alphabet range in Python
...
>>> import string
>>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w...
Utils to read resource text file to String (Java) [closed]
...urce("foo.txt");
String text = Resources.toString(url, StandardCharsets.UTF_8);
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What is a NullPointerException, and how do I fix it?
... doSomething() could be written as:
/**
* @param obj An optional foo for ____. May be null, in which case
* the result will be ____.
*/
public void doSomething(SomeObject obj) {
if(obj == null) {
//do something
} else {
//do something else
}
}
Finally, How to pinpo...
Why doesn't GCC optimize a*a*a*a*a*a to (a*a*a)*(a*a*a)?
...ensed to do so by the user (e.g. via -ffast-math).
Note that GCC provides __builtin_powi(x,n) as an alternative to pow( ), which should generate an inline multiplication tree. Use that if you want to trade off accuracy for performance, but do not want to enable fast-math.
...
Java ByteBuffer to String
...sibling getBytes() method:
byte[] bytes = k.getBytes( StandardCharsets.UTF_8 );
To put bytes with a particular encoding into a String, you can use a different String constructor:
String v = new String( bytes, StandardCharsets.UTF_8 );
Note that ByteBuffer.array() is an optional operation. If y...