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Should I use encoding declaration in Python 3?
...efault is UTF-8, you only need to use that declaration when you deviate from the default, or if you rely on other tools (like your IDE or text editor) to make use of that information.
In other words, as far as Python is concerned, only when you want to use an encoding that differs do you have to us...
Is it possible for intellij to organize imports the sam>me m> way as in Eclipse?
I'm working on a project where all the team m>me m>mbers are using Eclipse and I'm the only IDEA user. This creates a lot of noise from imports rearrangem>me m>nts. The order in which eclipse imports is: Java, Javax, Org, Com, everything else in alphabetical order. Is it possible to configure IDEA to follow t...
Creating PHP class instance with a string
I have two classes, class ClassOne { } and class ClassTwo {} . I am getting a string which can be either "One" or "Two" .
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Excluding directories in os.walk
I'm writing a script that descends into a directory tree (using os.walk()) and then visits each file matching a certain file extension. However, since som>me m> of the directory trees that my tool will be used on also contain sub directories that in turn contain a LOT of useless (for the purpose of thi...
Split string based on a regular expression
I have the output of a command in tabular form. I'm parsing this output from a result file and storing it in a string. Each elem>me m>nt in one row is separated by one or more whitespace characters, thus I'm using regular expressions to match 1 or more spaces and split it. However, a space is being inser...
UIButton remove all target-actions
I have added multiple target-action-forControlEvents: to a UIButton. I'd like to remove all of these in one go without deallocating anything. I will then set new targets.
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When annotating a class with @Component, does this m>me m>an it is a Spring Bean and Singleton?
...have a question about annotating a class. When annotating a class with @Component does this m>me m>an this class will be a Spring Bean and by default a singleton?
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git working on two branches simultaneously
I have a project with many branches.
6 Answers
6
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How can I make git do the “did you m>me m>an” suggestion?
... to git-config(1), you want to set help.autocorrect appropriately. For example, git config --global help.autocorrect 5 will make it wait half a second before running the command so you can see the m>me m>ssage first.
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Sort rows in data.table in decreasing order on string key `order(-x,v)` gives error on data.table 1.
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Update
data.table v1.9.6+ now supports OP's original attempt and the following answer is no longer necessary.
You can use DT[order(-rank(x), y)].
x y v
1: c 1 7
2: c 3 8
3: c 6 9
4: b 1 1
5: b 3 2
6: b 6 3
7: a 1 4
8: a 3 5
9: a 6 6
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