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When should one use final for method parameters and local variables?
I've found a couple of references ( for example ) that suggest using final as much as possible and I'm wondering how important that is. This is mainly in the the context of method parameters and local variables, not final methods or classes. For constants, it makes obvious sense.
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In Clojure 1.3, How to read and write a file
I'd like to know the "recommended" way of reading and writing a file in clojure 1.3 .
6 Answers
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Force an Android activity to always use landscape mode
I am using the Android VNC viewer on my HTC G1 . But for some reason, that application is always in landscape mode despite my G1 is in portrait mode. Since the Android VNC viewer is open source, I would like know how is it possible hard code an activity to be 'landscape'. I would like to change i...
How to create cron job using PHP?
I'm new to using cron job. I don't even know how to write it. I have tried to search from internet, but I still don't understand it well. I want to create a cron job that will execute my code every minute. I'm using PHP to create it. It is not working.
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How to build query string with Javascript
Just wondering if there is anything built-in to Javascript that can take a Form and return the query parameters, eg: "var1=value&var2=value2&arr[]=foo&arr[]=bar..."
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Traits in PHP – any real world examples/best practices? [closed]
...iggest additions for PHP 5.4. I know the syntax and understand the idea behind traits, like horizontal code re-use for common stuff like logging, security, caching etc.
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Parse config files, environment, and command-line arguments, to get a single collection of options
Python's standard library has modules for configuration file parsing ( configparser ), environment variable reading ( os.environ ), and command-line argument parsing ( argparse ). I want to write a program that does all those, and also:
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What's the best way to do a backwards loop in C/C#/C++?
...e admittedly a bit obscure, I would say that the most typographically pleasing way of doing this is
for (int i = myArray.Length; i --> 0; )
{
//do something
}
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Difference between return and exit in Bash functions
What is the difference between the return and exit statement in Bash functions with respect to exit codes?
10 Answers
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Cron jobs and random times, within given hours
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If I understand what you're looking for, you'll need to do something a bit messy, like having a cron job that runs a bash script that randomizes the run times... Something like this:
crontab:
0 9 * * * /path/to/bashscript
and in /path/to/bashscript:
#...