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What should my Objective-C singleton look like? [closed]
...tances of the singleton and attempt to CAS it into position. Whichever one wins the CAS returns immediately, whichever one loses releases the instance it just allocated and returns the (now set) sharedInstance. The single OSAtomicCompareAndSwapPtrBarrier acts as both a write barrier for the setting ...
Installing PIL with pip
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On 64 bit platforms, the linked path needs to be different -- e.g. /usr/lib/x86_64-linux-gnu/libfreetype.so . For a more architecture independent solution, create the links like # ln -s /usr/lib/`uname -i`-linux-gnu/libfreetype.so...
What is the LD_PRELOAD trick?
...d euid?
– heinrich5991
Nov 4 '12 at 10:27
20
@heinrich5991 Real and effective user ids: lst.de/~o...
Find objects between two dates MongoDB
... is no exception
Here is a working snippet of code, where we do a little bit of date manipulation to ensure Mongo (here i am using mongoose module and want results for rows whose date attribute is less than (before) the date given as myDate param) can handle it correctly:
var inputDate = new Date...
What is the exact meaning of Git Bash?
...have Git for Windows 2.3.5.
It has a much more recent bash, based on the 64bits msys2 project, an independent rewrite of MSYS, based on modern Cygwin (POSIX compatibility layer) and MinGW-w64 with the aim of better interoperability with native Windows software. msys2 comes with its own installer too...
CSS table layout: why does table-row not accept a margin?
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10 Answers
10
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Android XML Percent Symbol
...or XML parser, but it is shown twice in device.
To show it once, try following format: \%%
For Example
<string name="zone_50">Fat Burning (50\%% to 60\%%)</string>
is shown as
Fat Burning (50% to 60%) in device
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Turn a string into a valid filename?
...'-', value))
– Joseph Turian
Oct 8 '10 at 6:49
1
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VC/Linux C++ 递归访问目录下所有文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...，部分代码如下：find(char * lpPath){ char szFind[MAX_PATH]; WIN32_FIND_DATA FindFileData; strcpy(sz...VC函数，部分代码如下：
find(char * lpPath)
{
char szFind[MAX_PATH];
WIN32_FIND_DATA FindFileData;
strcpy(szFind,lpPath);
strcat(szFind,"\\*.*");
...
What is the advantage of GCC's __builtin_expect in if else statements?
...rax,%rax
e: 75 0a jne 1a <main+0x1a>
10: bf 00 00 00 00 mov $0x0,%edi
11: R_X86_64_32 .rodata.str1.1
15: e8 00 00 00 00 callq 1a <main+0x1a>
16: R_X86_64_PC32 puts-0x4
1a: ...