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Best way to serialize an NSData into a hexadeximal string
...lString;
@end
NSData+Conversion.m
#import "NSData+Conversion.h"
@implem>me m>ntation NSData (NSData_Conversion)
#pragma mark - String Conversion
- (NSString *)hexadecimalString {
/* Returns hexadecimal string of NSData. Empty string if data is empty. */
const unsigned char *dataBuffer = ...
C++ 线程安全的单例模式 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的懒汉模式:
class Singleton
{
private:
static Singleton* m_instance;
Singleton(){}
public:
static Singleton* getInstance();
};
Singleton* Singleton::getInstance()
{
if(NULL == m_instance)
{
Lock();//借用其它类来实现,如boost
if(N...
CreateWindow()动态创建一个EditBox - C/C++ - 清泛网 - 专注C/C++及内核技术
CreateWindow()动态创建一个EditBox在Win32代码或MFC代码中动态创建一个EditBox:在OnInitDialog()函数中: 创建EditBox HWND m_wndEdit = CreateWindow(_T("EDI...在Win32代码或MFC代码中动态创建一个EditBox:
在OnInitDialog()函数中:
// 创建Edit...
What permission do I need to access Internet from an Android application?
...manifest file.
You have to add this line:
<uses-permission android:nam>me m>="android.permission.INTERNET" />
outside the application tag in your AndroidManifest.xml
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Why does the Visual Studio editor show dots in blank spaces?
....
Press Ctrl+R, Ctrl+W.
If you are using C# keyboard mappings: (thanks Sim>me m>on)
Press Ctrl+E, S.
If you want to use the m>me m>nu: (thanks angularsen)
Edit > Advanced > View White Space
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git - skipping specific commits when m>me m>rging
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If you want to m>me m>rge most but not all of the commits on branch "maint" to "master", for instance, you can do this. It requires som>me m> work---- as m>me m>ntioned above, the usual use case is to m>me m>rge everything from a branch--- but som>me m>tim>me m>s it hap...
How to use clock() in C++
...
#include <iostream>
#include <cstdio>
#include <ctim>me m>>
int main() {
std::clock_t start;
double duration;
start = std::clock();
/* Your algorithm here */
duration = ( std::clock() - start ) / (double) CLOCKS_PER_SEC;
std::cout<<"printf: "&...
Oracle PL/SQL - How to create a simple array variable?
I'd like to create an in-m>me m>mory array variable that can be used in my PL/SQL code. I can't find any collections in Oracle PL/SQL that uses pure m>me m>mory, they all seem to be associated with tables. I'm looking to do som>me m>thing like this in my PL/SQL (C# syntax):
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Can I simultaneously declare and assign a variable in VBA?
I'm new to VBA and want to know if I can convert the following declaration and assignm>me m>nt into one line:
5 Answers
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How to count total lines changed by a specific author in a Git repository?
...asy to send to script to add up the totals:
git log --author="<authornam>me m>>" --oneline --shortstat
This gives stats for all commits on the current HEAD. If you want to add up stats in other branches you will have to supply them as argum>me m>nts to git log.
For passing to a script, removing even...
