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How to set a timer in android
What is the proper way to set a timer in android in order to kick off a task (a function that I create which does not change the UI)?
Use this the Java way:
http://docs.oracle.com/javase/1.5.0/docs/api/java/util/Timer.html
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Rename multiple files by replacing a particular pattern in the filenames using a shell script [dupli
I need to write a shell script for this. Can someone suggest how to begin?
8 Answers
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How do you allow spaces to be entered using scanf?
...cious little less formatted than user-entered data. It's ideal if you have total control of the input data format but generally unsuitable for user input.
Use fgets() (which has buffer overflow protection) to get your input into a string and sscanf() to evaluate it. Since you just want what the use...
How to efficiently count the number of keys/properties of an object in JavaScript?
What's the fastest way to count the number of keys/properties of an object? It it possible to do this without iterating over the object? i.e. without doing
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Is it possible to set the equivalent of a src attribute of an img tag in CSS?
Is it possible to set the src attribute value in CSS? At present, what I am doing is:
25 Answers
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Memcached vs APC which one should I choose? [closed]
...formanceblog.com/2006/09/27/apc-or-memcached/ from way back when.. I want to get the best caching engine available so that my application is really fast. Of course I don't want to over-cache but I want to at least choose the best thing out there. In that article it says Memcached is slow and apc is...
What is a elegant way in Ruby to tell if a variable is a Hash or an Array?
To check what @some_var is, I am doing a
9 Answers
9
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How do I run a Python program?
...hich is obviously incomplete). We're working with Python novices, and had to help a few through exactly what you're asking!
Command-line Python in Windows:
Save your python code file somewhere, using "Save" or "Save as" in your editor. Lets call it 'first.py' in some folder, like "pyscripts"...
Recursively counting files in a Linux directory
How can I recursively count files in a Linux directory?
21 Answers
21
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What is a columnar database?
...k; indeed, several are build upon traditional, row-oriented, DBMS, simply storing the info in tables with one (or rather often two) columns (and adding the necessary layer to access the columnar data in an easy fashion).
How do they differ from relational databases?
They generally differ from tradi...