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Is it acceptable and safe to run pip install under sudo?
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Yes, it will, but it has already happened, so he needs to fix it before continuing.
– hd1
Feb 22 '13 at 16:33
1
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...60 3.65 1.04 4.29 0.00 88.42
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
cciss/c0d0 17.79 545.80 256.52 855159769 401914750
cciss/c0d0p1 0.00 0.00 0.00 5459 3518
cciss/c0d0p2 16.45 533.97 ...
Regex empty string or email
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Make sure to read up on how extremely complicated email validation is, before trying to use RegEx to do it. stackoverflow.com/questions/201323/…
– bryan kennedy
Sep 24 '14 at 17:20
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How can I get the current PowerShell executing file?
...CommandPath = GetPSCommandPath; }
This adds $PSCommandPath if it doesn't already exist.
The shim code can be executed anywhere (top-level or inside a function), though $PSCommandPath variable is subject to normal scoping rules (eg, if you put the shim in a function, the variable is scoped to that fu...
How do I properly compare strings in C?
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@incompetent — if you read a line from a file with fgets(), then the string might be "abc\n" because fgets() keeps the newline. If you compare that with "abc", you will get 'not equal' because of the difference between a null byte terminating "ab...
Can a CSV file have a comment?
...to signal a comment.
I use the ostermiller CSV parsing library for Java to read and process such files. That library allows you to set the comment character. After the parse operation you get an array just containing the real data, no comments.
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How do you pass multiple enum values in C#?
Sometimes when reading others' C# code I see a method that will accept multiple enum values in a single parameter. I always thought it was kind of neat, but never looked into it.
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Adding a Method to an Existing Object Instance
I've read that it is possible to add a method to an existing object (i.e., not in the class definition) in Python.
16 Answ...
How does one reorder columns in a data frame?
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@BramVanroy nope, c(1,3,"Var1", 2) will be read as c("1","3","Var1", "2") because vectors can contain data of only one type, so types are promoted to the most general type present. Because there are no columns with the character names "1", "3", etc. you'll get "undefi...
How do you see recent SVN log entries?
... on a command line. I have no idea why that is the default. If I wanted to read (or even could read) 300 entries on the terminal, I wouldn't mind typing svn log --full or something similar.
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