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Revert changes to a file in a commit
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The cleanest way I've seen of doing this is described here
git show some_commit_sha1 -- some_file.c | git apply -R
Similar to VonC's response but using git show and git apply.
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Reading CSV file and storing values into an array
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You can do it like this:
using System.IO;
static void Main(string[] args)
{
using(var reader = new StreamReader(@"C:\test.csv"))
{
List<string> listA = new List<string>();
List<string> listB = new List&...
Pandas groupby: How to get a union of strings
I have a dataframe like this:
8 Answers
8
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How to add one day to a date? [duplicate]
...(1);
Solution 3: With Java 8 you can also use the new JSR 310 API (which is inspired by Joda-Time):
Date dt = new Date();
LocalDateTime.from(dt.toInstant()).plusDays(1);
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Disable a Button
I want to disable a button ( UIButton ) on iOS after it is clicked. I am new to developing for iOS but I think the equivalent code on objective - C is this:
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don't fail jenkins build if execute shell fails
...te shell step. However, if there are no changes in the workspace, Jenkins is failing the build. This is because git is returning an error code when there are no changes to commit. I'd like to either abort the build, or just mark it as unstable if this is the case. Any ideas?
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Favourite performance tuning tricks [closed]
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Here is the handy-dandy list of things I always give to someone asking me about optimisation.
We mainly use Sybase, but most of the advice will apply across the board.
SQL Server, for example, comes with a host of performance m...
Requirejs why and when to use shim config
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A primary use of shim is with libraries that don't support AMD, but you need to manage their dependencies. For example, in the Backbone and Underscore example above: you know that Backbone requires Underscore, so suppose you wrote your code like t...
How to get the Android device's primary e-mail address
How do you get the Android's primary e-mail address (or a list of e-mail addresses)?
12 Answers
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Why are you not able to declare a class as static in Java?
...erClass getAnInnerClass(){
return new InnerClass();
}
//This method doesn't work
public static InnerClass getAnInnerClassStatically(){
return new InnerClass();
}
}
class OtherClass{
//Use of a static nested class:
private OuterClass.StaticNestedClass staticN...