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Most efficient way to prepend a value to an array
...ize of N (where N > 0 ), is there a more efficient way of prepending to the array that would not require O(N + 1) steps?
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How do you maintain development code and production code? [closed]
What are the best practices and rules-of-thumb to follow while maintaining code? Is it good practice to have only the production ready code in the development branch, or should untested latest code be available in the development branch?
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Adb Devices can't find my phone [closed]
I am trying to get adb to see my Samsung Fascinate phone so that I can install my Android apps via usb to the phone. I am using osx 10.6.7.
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What is the meaning of single and double underscore before an object name?
...Single Underscore
Names, in a class, with a leading underscore are simply to indicate to other programmers that the attribute or method is intended to be private. However, nothing special is done with the name itself.
To quote PEP-8:
_single_leading_underscore: weak "internal use" indicator. ...
How to get active user's UserDetails
...rollers, when I need the active (logged in) user, I am doing the following to get my UserDetails implementation:
8 Answer...
What GRANT USAGE ON SCHEMA exactly do?
I'm trying to create for the first time a Postgres database, so this is probably a stupid question. I assigned basic read-only permissions to the db role that must access the database from my php scripts, and I have a curiosity: if I execute
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Linux: copy and create destination dir if it does not exist
I want a command (or probably an option to cp) that creates the destination directory if it does not exist.
21 Answers
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How to compare Unicode characters that “look alike”?
I fall into a surprising issue.
10 Answers
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Best way to create unique token in Rails?
Here's what I'm using. The token doesn't necessarily have to be heard to guess, it's more like a short url identifier than anything else, and I want to keep it short. I've followed some examples I've found online and in the event of a collision, I think the code below will recreate the token, but ...
Make a program run slowly
Is there any way to run a C++ program slower by changing any OS parameters in Linux? In this way I would like to simulate what will happen if that particular program happens to run on a real slower machine.
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