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Best way to serialize an NSData into a hexadeximal string
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edited Nov 1 '14 at 20:53
answered Jan 31 '12 at 18:18
Da...
What differences, if any, between C++03 and C++11 can be detected at run-time?
...amp;& in C++0x, and a conversion to int followed by logical-and in C++03
struct Y { bool x1, x2; };
struct A {
operator int();
template<typename T> operator T();
bool operator+();
} a;
Y operator+(bool, A);
bool isCpp0x() {
return sizeof(&A::operator int&& +a) == si...
What requests do browsers' “F5” and “Ctrl + F5” refreshes generate?
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314
Generally speaking:
F5 may give you the same page even if the content is changed, because it ...
Removing all empty elements from a hash / YAML?
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edited Sep 20 '13 at 23:39
answered Feb 8 '13 at 13:22
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...Gnd函数
2.用OnPaint实现,同时重载OnEraseBkGnd,其中直接返回
3.用OnPaint实现,创建窗口时设置背景刷为空
4.用OnPaint实现,但是要求刷新时用Invalidate(FALSE)这样的函数（不过这种情况下,窗口覆盖等造成的刷新还是要闪一 下,所以不是彻底...
20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...ive si so bi bo in cs us sy id wa st
1 0 0 810420 97380 70628 0 0 115 4 89 79 1 6 90 3 0
3. lsof — 打开文件列表
lsof 命令对于很多 Linux/Unix 系统都可以使用，主要以列表的形式显示打开的文件和进程。
打开的文件...
Capture characters from standard input without waiting for enter to be pressed
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Remy Lebeau
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answered Jan 7 '09 at 20:08
Johannes Schaub - litbJohannes S...
Uses of Action delegate in C# [closed]
...r
list.
Except that, you can use it as a generic delegate that takes 1-3 parameters without returning any value.
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Find duplicate lines in a file and count how many time each line was duplicated?
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edited Oct 22 '14 at 15:13
mahemoff
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answe...
Making an array of integers in iOS
...] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up each integer inside an NSNumber instance (because NSArray objects are designed to hold class instances).
NSMutableArray *myIntegers = [NS...