大约有 26,000 项符合查询结果(耗时:0.0559秒) [XML]

https://stackoverflow.com/ques... 

Find duplicate lines in a file and count how many time each line was duplicated?

... Active Oldest Votes ...
https://stackoverflow.com/ques... 

Hidden features of C

I know there is a standard behind all C compiler implementations, so there should be no hidden features. Despite that, I am sure all C developers have hidden/secret tricks they use all the time. ...
https://stackoverflow.com/ques... 

How can I replace every occurrence of a String in a file with PowerShell?

Using PowerShell, I want to replace all exact occurrences of [MYID] in a given file with MyValue . What is the easiest way to do so? ...
https://stackoverflow.com/ques... 

Opposite of %in%: exclude rows with values specified in a vector

A categorical variable V1 in a data frame D1 can have values represented by the letters from A to Z. I want to create a subset D2, which excludes some values, say, B, N and T. Basically, I want a command which is the opposite of %in% ...
https://stackoverflow.com/ques... 

Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C

I would like install R on my laptop Mac OS X version 10.7.3 6 Answers 6 ...
https://stackoverflow.com/ques... 

Call PowerShell script PS1 from another PS1 script inside Powershell ISE

I want call execution for a myScript1.ps1 script inside a second myScript2.ps1 script inside Powershell ISE. 11 Answers ...
https://stackoverflow.com/ques... 

How can I add reflection to a C++ application?

I'd like to be able to introspect a C++ class for its name, contents (i.e. members and their types) etc. I'm talking native C++ here, not managed C++, which has reflection. I realise C++ supplies some limited information using RTTI. Which additional libraries (or other techniques) could supply this ...
https://stackoverflow.com/ques... 

How to convert char to int?

What is the proper way to convert a char to int ? This gives 49 : 11 Answers 11 ...
https://stackoverflow.com/ques... 

How to “return an object” in C++?

...ar as there are many similar questions, but I'm asking for a different aspect of the problem (I know the difference between having things on the stack and putting them on the heap). ...
https://www.tsingfun.com/ilife/idea/1850.html 

微博为什么限制140字(附短信70字限制考) - 创意 - 清泛网 - 专注C/C++及内核技术

... We like to keep it short and sweet! It also just so happens that 140 characters is the perfect length for sending status updates via text message. The standard text message length in most places is 160 characters per message. We reserve 20 characters for people’s names, and the other 140 ...