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Regular expression for a hexadecimal number?
...the character in hexadecimal. I've tried and it works. I use framework for C++ Qt but it can solve problems in other cases, depends on the flavor you need to use (php, javascript, python , golang, etc.).
This answer was taken from:http://ult-tex.net/info/perl/
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What key shortcuts are to comment and uncomment code?
...trl+K, Ctrl+U. I would guess that these are the defaults, at least in the C++ defaults, but I don't know for sure. The best way to find out is to check your settings.)
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Java: how to initialize String[]?
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I believe you just migrated from C++, Well in java you have to initialize a data type(other then primitive types and String is not a considered as a primitive type in java ) to use them as according to their specifications if you don't then its just like an ...
Getting a list item by index
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Visual Basic, C#, and C++ all have syntax for accessing the Item property without using its name. Instead, the variable containing the List is used as if it were an array.
List[index]
See for instance:
https://msdn.microsoft.com/en-us/library/0...
Why doesn't Java allow overriding of static methods?
...avoid that. Another was the decision that the target audience for Java was C++ developers. Making static methods work the way they do had the benefit of familiarity for C++ programmers and was also very fast, because there's no need to wait until runtime to figure out which method to call.
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What is the difference between conversion specifiers %i and %d in formatted IO functions (*printf /
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VC DDE（Dynamic Data Exchange）与EXCEL连接 - C/C++ - 清泛网 - 专注C/C++及内核技术
...平台，有技术平台，一切目标为了高效的做好产品。
该C++控制台程序案例如下：
// smdata.cpp : Defines the entry point for the console application.
//
#include "stdafx.h"
#include "windows.h"
#include <string.h>
#include "ddeml.h"
#include "stdio.h"
HDDEDATA ...
Ubuntu says “bash: ./program Permission denied” [closed]
I am running Ubuntu on computer 1 and computer 2. I compiled a C++ program on computer 1, and I can execute it from the terminal using ./program_name . It runs fine.
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Variable's scope in a switch case [duplicate]
...u break won't work as there is return statement...at least for Java...C or C++ it is fine...
– Boy
Apr 8 '15 at 19:21
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程序员保值的4个秘密 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...用，经常会用到高级语言和框架，比如 C# 和 .NET ，比如 C++ 和 Qt ，比如 J2EE ，比如 Ruby on Rails ，比如 Python 和 Django ，比如 Java 和 Android ，比如 Objective-C 和 Cocoa Touch ，比如 JavaScript, PHP……太多了，数不胜数。
应用层面的开发...