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How to convert An NSInteger to an int?
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If you want to do this inline, just cast the NSUInteger or NSInteger to an int:
int i = -1;
NSUInteger row = 100;
i > row // true, since the signed int is implicitly converted to an unsigned int
i > (int)row // false
...
How to close tag properly?
...lt;img /> is valid in [X]HTML/XML, though the use of XHTML is very rare nowadays and if your server is serving the pages as text/html all you have to worry about is writing valid HTML. The odds to have to migrate an HTML app to XHTML is close to nil.
– Fabrício Matté
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Iterating each character in a string using Python
...open(filename) as f:
for line in f:
# do something with line
If that seems like magic, well it kinda is, but the idea behind it is really simple.
There's a simple iterator protocol that can be applied to any kind of object to make the for loop work on it.
Simply implement an iterat...
How do you get the list of targets in a makefile?
...t the makefile in the current directory; respects makefiles explicitly specified with -f <file>
excludes hidden targets - by convention, these are targets whose name starts neither with a letter nor a digit
makes do with a single phony target
prefixes the command with @ to prevent it from bein...
VS2005中SetUnhandledExceptionFilter函数应用 - C/C++ - 清泛网 - 专注C/C++及内核技术
...r函数,使之无效。在X86平台下,可以使用以下代码。
#ifndef _M_IX86
#error "The following code only works for x86!"
#endif
void DisableSetUnhandledExceptionFilter()
{
void *addr = (void*)GetProcAddress(LoadLibrary(_T("kernel32.dll")),
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C++ SpinLock 自旋锁的代码实现(全网最简略的方式) - C/C++ - 清泛网 - ...
...short spinCount = 0;
while(f_.test_and_set(memory_order_acquire)) {
if ( (spinCount++) == 0 ) {
#ifdef _WIN32
SwitchToThread();
#else
sched_yield();
#endif
}
}
}
void unlock() { f_.clear(memory_order_release); }
};
3、测试代码如下:
SpinLock lck;
thre...
Calculating a directory's size using Python?
...or calculating the size of a directory using Python? It would be very nice if the routine would format the size nicely in Mb/Gb etc.
...
How to query SOLR for empty fields?
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@user2043553 Nope, if you ?q=-id:* you get Cannot parse '-q:*': '*' or '?' not allowed as first character in WildcardQuery
– Yzmir Ramirez
Dec 5 '14 at 18:47
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Is there a .NET/C# wrapper for SQLite? [closed]
...ut is no longer an active contributor. Development and maintenance work is now mostly performed by the SQLite Development Team. The SQLite team is committed to supporting System.Data.SQLite long-term.
"System.Data.SQLite is the original SQLite database engine and a complete ADO.NET 2.0 provider al...
Get full path of the files in PowerShell
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Add | select FullName to the end of your line above. If you need to actually do something with that afterwards, you might have to pipe it into a foreach loop, like so:
get-childitem "C:\windows\System32" -recurse | where {$_.extension -eq ".txt"} | % {
Write-Host $_.FullN...
