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Git pre-push hooks
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14
I would rather run the test in a pre-commit-hook. Because the change is already recorded when c...
Add to Array jQuery
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301
For JavaScript arrays, you use push().
var a = [];
a.push(12);
a.push(32);
For jQuery objects...
How do you delete an ActiveRecord object?
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It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destroy and :after_destroy callbacks or any dependent associ...
Uncaught TypeError: undefined is not a function on loading jquery-min.js
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13 Answers
13
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Object comparison in JavaScript [duplicate]
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10 Answers
10
Active
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How do I check if the Java JDK is installed on Mac?
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190
javac -version in a terminal will do
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How do I get whole and fractional parts from double in JSP/Java?
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19 Answers
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Why doesn't c++ have &&= or ||= for booleans?
...alent to the logical operations, as long as both operands are of type bool.1
Contrary to what other people have said here, a bool in C++ must never have a different value such as 2. When assigning that value to a bool, it will be converted to true as per the standard.
The only way to get an invali...
How to parse JSON in Python?
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Very simple:
import json
data = json.loads('{"one" : "1", "two" : "2", "three" : "3"}')
print data['two']
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