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Rails 3 - can't install pg gem
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edited Feb 10 '13 at 23:22
ogoldberg
74677 silver badges88 bronze badges
answered May 29 ...
Reference - What does this error mean in PHP?
...hink both are similarly cryptic. ~0 is more explicit IMO: negate the empty bit set, i. e. enable all flags. -1 is not meant to stand for «not found» like in strpos() in C, but as a bitset with all flags set, because -1 is binary 1111'1111'1111'1111 (for 32 bits).
– nalply
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Moving decimal places over in a double
...n formatln() with codes for pennies. The reason for the conversion was 32 bit integers were no longer enough. +/- 2 billion pennies is $20 million and that overflowed for the World Cup or Olympics, I forgot.
I was sworn to secrecy. Oh well. In academea, if it's good you publish; in industry, yo...
Phase • Animations made easy! - Extensions - Kodular Community
... opacity: 1;
transform: scale(0.7);
}
100% {
opacity: 0;
transform: scale(1);
}
}
html {
overflow-y: hidden !important;
}
/* user picked a theme where the "regular" scheme is dark */
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`require': no such file to load — mkmf (LoadError)
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What is the Auto-Alignment Shortcut Key in Eclipse?
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I wonder why they put "CTRL + ALT + L (Win)" as the answer out there.... developer.android.com/sdk/installing/…
– gumuruh
May 29 '14 at 5:13
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How to convert an NSTimeInterval (seconds) into minutes
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%ld if you are in 64 bit machine.
– Anoop Vaidya
Jul 25 '13 at 14:25
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How to backup a local Git repository?
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I started hacking away a bit on Yar's script and the result is on github, including man pages and install script:
https://github.com/najamelan/git-backup
Installation:
git clone "https://github.com/najamelan/git-backup.git"
cd git-backup
sudo ./in...
What does functools.wraps do?
...lt) and therefore to use something like Signature.bind().
Now there is a bit of confusion between functools.wraps and decorators, because a very frequent use case for developing decorators is to wrap functions. But both are completely independent concepts. If you're interested in understanding the...
Instance variables vs. class variables in Python
...all variables per-instance, simply because they will be accessed (a little bit) faster (one less level of "lookup" due to the "inheritance" from class to instance), and there are no downsides to weigh against this small advantage.
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