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How to efficiently count the number of keys/properties of an object in JavaScript?
...n any ES5-compatible environment, such as Node, Chrome, IE 9+, Firefox 4+, or Safari 5+:
Object.keys(obj).length
Browser compatibility
Object.keys documentation (includes a method you can add to non-ES5 browsers)
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keytool error Keystore was tampered with, or password was incorrect
I am getting following error while generating certificates on my local machine.
17 Answers
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How can I check if a file exists in Perl?
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Test whether something exists at given path using the -e file-test operator.
print "$base_path exists!\n" if -e $base_path;
However, this test is probably broader than you intend. The code above will generate output if a plain file exists at that path, but it will also fire for a directory, a n...
Make the first character Uppercase in CSS
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There's a property for that:
a.m_title {
text-transform: capitalize;
}
If your links can contain multiple words and you only want the first letter of the first word to be uppercase, use :first-letter with a different transform instead (a...
Division of integers in Java [duplicate]
...double, the other will be implicitly converted. But I prefer to do both, for symmetry.
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Is there a way to cache GitHub credentials for pushing commits?
I recently switched to synchronizing my repositories to https:// on GitHub (due to firewall issues), and it asks for a password every time.
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Why is Java Vector (and Stack) class considered obsolete or deprecated?
Why is Java Vector considered a legacy class, obsolete or deprecated?
5 Answers
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How do I break a string over multiple lines?
... have a string that's very long. I want to keep this within the 80-column (or so) view of my editor, so I'd like to break the string. What's the syntax for this?
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How to Convert Boolean to String
... This is the easyest way to do it, but it depends on what you need it for it might not be the best sulution.
– Androme
May 8 '10 at 18:43
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Skip download if files exist in wget?
... edited Aug 4 '15 at 8:42
kenorb
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answered Feb 9 '11 at 11:40
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