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What makes a keychain item unique (in iOS)?
My question concerns keychains in iOS (iPhone, iPad, ...). I think (but am not sure) that the implementation of keychains under Mac OS X raises the same question with the same answer.
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关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
...特殊的文件，一些socket函数就是对其进行的操作（读/写IO、打开、关闭）
既然Unix/Linux是将socket以一种io的形式来编程实现，那对于socket的研究必然有几个概念要理解：
1、阻塞/非阻塞：这两个概念是针对 IO 过程中进程的状态...
Animate change of view controllers without using navigation controller stack, subviews or modal cont
NavigationControllers have ViewController stacks to manage, and limited animation transitions.
6 Answers
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Implementing Fast and Efficient Core Data Import on iOS 5
Question : How do I get my child context to see changes persisted on the parent context so that they trigger my NSFetchedResultsController to update the UI?
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iOS: How to get a proper Month name from a number?
I know that the NSDateformatter suite of functionality is a boon for mankind, but at the same time it is very confusing to me. I hope you can help me out.
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What does this gdb output mean?
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That is a confirmed bug of the iOS SDK 5 / Simulator - happens as soon as the simulator tries to play sound (from a movie or any other sound source). Do not worry though, it won't be a problem on the actual device.
You mentioned actual reports of users ha...
Printing the correct number of decimal points with cout
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With <iomanip>, you can use std::fixed and std::setprecision
Here is an example
#include <iostream>
#include <iomanip>
int main()
{
double d = 122.345;
std::cout << std::fixed;
std::cout <<...
How to serialize an object into a string
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Sergio:
You should use BLOB. It is pretty straighforward with JDBC.
The problem with the second code you posted is the encoding. You should additionally encode the bytes to make sure none of them fails.
If you still want to ...
Installing Apple's Network Link Conditioner Tool
I have installed xcode 4.3.1 on my machine running Lion.
6 Answers
6
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iOS: Access app-info.plist variables in code
...ly accessible by the following...
[[NSBundle mainBundle] objectForInfoDictionaryKey:key_name];
For example to get the version number you might do the following
NSString *appVersion = [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"];
There is a gotcha in that the version nu...