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How to read a single char from the console in Java (as the user types it)?
... in Java? Is it possible? I've tried with these methods but they all wait for the user to press enter key:
5 Answers
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Find out which remote branch a local branch is tracking
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Here is a command that gives you all tracking branches (configured for 'pull'), see:
$ git branch -vv
main aaf02f0 [main/master: ahead 25] Some other commit
* master add0a03 [jdsumsion/master] Some commit
You have to wade through the SHA and any long-wrapping commit messages, but it's ...
How do I get the color from a hexadecimal color code using .NET?
How can I get a color from a hexadecimal color code (e.g. #FFDFD991 )?
16 Answers
16
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Best practice: ordering of public/protected/private within the class definition?
...he ground up and want it to be clean / have good coding standards. In what order do the seasoned developers on here like to lay things out within a class?
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Insert image after each list item
...g like this at the top? <!DOCTYPE html>
– Joe Morano
Mar 9 '15 at 2:16
The problem with this method is that you ...
ActiveModel::ForbiddenAttributesError when creating new user
I have this model in Ruby but it throws a ActiveModel::ForbiddenAttributesError
7 Answers
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How can I add CGPoint objects to an NSArray the easy way?
...d them to an NSArray. It's going to be a method that will just return the corresponding CGPoint for an given index. I don't want to create 50 variables like p1 = ...; p2 = ..., and so on. Is there an easy way that would let me to define those points "instantly" when initializing the NSArray with obj...
How do I reference a specific issue comment on github?
... a specific issue comment on github, in my readme. But I can't find any information on how to do that ( here for example). I know that it's possible to link to issues, but is it possible to link to specific comments in that issue?
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PatternSyntaxException: Illegal Repetition when using regex in Java
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The { and } are special in Java's regex dialect (and most other dialects for that matter): they are the opening and closing tokens for the repetition quantifier {n,m} where n and m are integers. Hence the error message: "Illegal repetition".
You should escape them: "\\{\"user_id\" : [0-9]*\\}".
A...
How to read a file into a variable in shell?
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In cross-platform, lowest-common-denominator sh you use:
#!/bin/sh
value=`cat config.txt`
echo "$value"
In bash or zsh, to read a whole file into a variable without invoking cat:
#!/bin/bash
value=$(<config.txt)
echo "$value"
Invo...