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How do I search within an array of hashes by hash values in ruby?
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You're looking for Enumerable#select (also called find_all):
@fathers.select {|father| father["age"] > 35 }
# => [ { "age" => 40, "father" => "Bob" },
# { "age" => 50, "father" => "Batman" } ]
Per the documentation, it "returns an array contai...
How to iterate over arguments in a Bash script
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Use "$@" to represent all the arguments:
for var in "$@"
do
echo "$var"
done
This will iterate over each argument and print it out on a separate line. $@ behaves like $* except that when quoted the arguments are broken up properly if there...
Using semicolon (;) vs plus (+) with exec in find
...mand line length. If the command exceeds this length, the command will be called multiple times.
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What are the main uses of yield(), and how does it differ from join() and interrupt()?
...m a little bit confused about the use of yield() method in Java, specifically in the example code below. I've also read that yield() is 'used to prevent execution of a thread'.
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How to impose maxlength on textArea in HTML using JavaScript
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@JoshStodola - Indeed you cannot. It would really annoy me as a user if I had pasted a whole piece of something in a textarea, clicked submit, and only saw a small portion of it go through without any response.
– Travis J
Apr 30 '1...
Good tutorial for using HTML5 History API (Pushstate?) [closed]
...great tutorial the Mozilla Developer Network page on this functionality is all you'll need: https://developer.mozilla.org/en/DOM/Manipulating_the_browser_history
Unfortunately, the HTML5 History API is implemented differently in all the HTML5 browsers (making it inconsistent and buggy) and has no f...
Disable autocomplete via CSS
... it possible to use CSS to disable autocomplete on a form element (specifically a textfield)?
12 Answers
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Hash collision in git
What would actually happen if I had a hash collision while using git?
9 Answers
9
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How do I remove a big file wrongly committed in git [duplicate]
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The command you are looking for is filter-branch. It allows you to permanently remove files from an enlistment. This blog has a great tutorial on how to remove problematic files from the repository
http://dalibornasevic.com/posts/2-permanently-remove-files-and-folders-from-a...
What online brokers offer APIs? [closed]
So I'm getting really sick of E*TRADE and, being a developer, would love to find an online broker that offers an API. It would be great to be able to write my own trading tools, and maybe even modify existing ones.
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