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Get current time in seconds since the Epoch on Linux, Bash
I need something simple like date , but in seconds since 1970 instead of the current date, hours, minutes, and seconds.
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Are list-comprehensions and functional functions faster than “for loops”?
In terms of performance in Python, is a list-comprehension, or functions like map() , filter() and reduce() faster than a for loop? Why, technically, they run in a C speed , while the for loop runs in the python virtual machine speed ?.
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Git command to show which specific files are ignored by .gitignore
I am getting my feet wet with Git and have the following issue:
9 Answers
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Command line CSV viewer? [closed]
Anyone know of a command-line CSV viewer for Linux/OS X? I'm thinking of something like less but that spaces out the columns in a more readable way. (I'd be fine with opening it with OpenOffice Calc or Excel, but that's way too overpowered for just looking at the data like I need to.) Having ...
How to tell if a string is not defined in a Bash shell script
If I want to check for the null string I would do
12 Answers
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List directory tree structure in python?
I know that we can use os.walk() to list all sub-directories or all files in a directory. However, I would like to list the full directory tree content:
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App Inventor 2 列表代码块 · App Inventor 2 中文网
... 搜索 App Inventor 2 列表代码块
创建空列表
创建列表
追加列表项
检查列表中是否包含对象
求列表长度
列表是否为空？
随机选取列表项
求...
vector vs. list in STL
I noticed in Effective STL that
16 Answers
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Reading a plain text file in Java
It seems there are different ways to read and write data of files in Java.
28 Answers
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Creating C formatted strings (not printing them)
I have a function that accepts a string, that is:
7 Answers
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