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Grep only the first match and stop
I'm searching a directory recursively using grep with the following arguments hoping to only return the first match. Unfortunately, it returns more than one -- in-fact two the last time I looked. It seems like I have too many arguments, especially without getting the desired outcome. :-/
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How do I work with a git repository within another repository?
I have a Git media repository where I'm keeping all of my JavaScript and CSS master files and scripts that I'll use on various projects.
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how to get the current working directory's absolute path from irb
I'm running Ruby on Windows though I don't know if that should make a difference. All I want to do is get the current working directory's absolute path. Is this possible from irb? Apparently from a script it's possible using File.expand_path(__FILE__)
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How to get all enum values in Java?
I came across this problem that I without knowing the actual enum type I need to iterate its possible values.
7 Answers
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How to rollback just one step using rake db:migrate
After adding migration files in the db/migrate folder and running rake db:migrate , I want get back to the previous step, I think using VERSION=n is the right way to do that, but I don't know the correct value of n to use. Is there any command to check the current n value?
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Finding differences between elements of a list
Given a list of numbers, how does one find differences between every ( i )-th elements and its ( i+1 )-th?
10 Answers
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What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
The way I understand it, if a client-side script running on a page from foo.com wants to request data from bar.com, in the request it must specify the header Origin: http://foo.com , and bar must respond with Access-Control-Allow-Origin: http://foo.com .
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Do declared properties require a corresponding instance variable?
Do properties in Objective-C 2.0 require a corresponding instance variable to be declared? For example, I'm used to doing something like this:
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How to make the overflow CSS property work with hidden as value
I am having a tough time with overflow: hidden .
5 Answers
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Why are unsigned int's not CLS compliant?
Why are unsigned integers not CLS compliant?
4 Answers
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