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What makes a keychain item unique (in iOS)?
...kSecAttrAccount and kSecAttrService.
For a keychain item of class kSecClassInternetPassword, the primary key is the combination of kSecAttrAccount, kSecAttrSecurityDomain, kSecAttrServer, kSecAttrProtocol, kSecAttrAuthenticationType, kSecAttrPort and kSecAttrPath.
For a keychain item of class kSecCl...
PowerShell says “execution of scripts is disabled on this system.”
...ain the Why. And before you go around executing code from strangers on the Internet, especially code that disables security measures, you should understand exactly what you're doing. So here's a little more detail on this problem.
From the TechNet About Execution Policies Page:
Windows PowerShe...
A JRE or JDK must be available in order to run Eclipse. No JVM was found after searching the followi
... before and has open before without a problem. Now I keep getting the following error message:
27 Answers
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“register” keyword in C?
...to keep variable in memory rather than in register.
So using register you win nothing (anyway compiler will decide for itself where to put the variable) and lose the & operator - no reason to use it.
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C++ stl stack/queue 的使用方法 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 相同。
初学者在使用priority_queue 时，最困难的可能就是如何定义比较算子了。
如果是基本数据类型，或已定义了比较运算符的类，可以直接用STL 的less 算子和greater算子——默认为使用less 算子，即小的往前排，大的先出队。
...
jquery input select all on focus
...$("input[type=text]").focus(function() {
var save_this = $(this);
window.setTimeout (function(){
save_this.select();
},100);
});
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Is there a way to cache GitHub credentials for pushing commits?
...omments below.)
With Git 1.7.9 or later, you can just use one of the following credential helpers:
git config --global credential.helper cache
... which tells Git to keep your password cached in memory for (by default) 15 minutes. You can set a longer timeout with:
git config --global credentia...
How to get the current directory in a C program?
... is tagged Unix, people also get to visit it when their target platform is Windows, and the answer for Windows is the GetCurrentDirectory() function:
DWORD WINAPI GetCurrentDirectory(
_In_ DWORD nBufferLength,
_Out_ LPTSTR lpBuffer
);
These answers apply to both C and C++ code.
Link sugges...
Choosing a Java Web Framework now? [closed]
...s answers like Spring roo Vs (Wicket and Spring) and other things over the Internet but I'm still not convinced (maybe I don't get it), I'm not sure of its maturity, and, more important, I'm really wondering what SpringSource is doing with Grails and Roo (no, Grails vs Roo - why SpringSource is push...
How do I install PyCrypto on Windows?
...ould stick to installing only pure Python packages or packages for which a Windows binary is available.
Fortunately, there are PyCrypto binaries available for Windows:
http://www.voidspace.org.uk/python/modules.shtml#pycrypto
UPDATE:
As @Udi suggests in the comment below, the following command als...