大约有 16,800 项符合查询结果（耗时：0.0285秒） [XML]
Should switch statements always contain a default clause?
In one of my first code reviews (a while back), I was told that it's good practice to include a default clause in all switch statements. I recently remembered this advice but can't remember what the justification was. It sounds fairly odd to me now.
...
Getting the count of unique values in a column in bash
I have tab delimited files with several columns. I want to count the frequency of occurrence of the different values in a column for all the files in a folder and sort them in decreasing order of count (highest count first). How would I accomplish this in a Linux command line environment?
...
How to remove single character from a String
For accessing individual characters of a String in Java, we have String.charAt(2) . Is there any inbuilt function to remove an individual character of a String in java?
...
Set the value of a variable with the result of a command in a Windows batch file
When working in a Bash environment, to set the value of a variable as the result of a command, I usually do:
5 Answers
...
Importing variables from another file?
How can I import variables from one file to another?
8 Answers
8
...
c++11 Return value optimization or move? [duplicate]
I don't understand when I should use std::move and when I should let the compiler optimize... for example:
4 Answers
...
How to find memory leak in a C++ code/project?
I am a C++ programmer on the Windows platform. I am using Visual Studio 2008.
19 Answers
...
How do I get the calling method name and type using reflection? [duplicate]
I'd like to write a method which obtains the name of the calling method, and the name of the class containing the calling method.
...
how to convert binary string to decimal?
I want to convert binary string in to digit
E.g
9 Answers
9
...
Django: Why do some model fields clash with each other?
I want to create an object that contains 2 links to Users. For example:
6 Answers
6
...