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How to read a large file - line by line?
... for line in f:
# Do something with 'line'
The with statement handles opening and closing the file, including if an exception is raised in the inner block. The for line in f treats the file object f as an iterable, which automatically uses buffered I/O and memory management so you don't ...
Tips for debugging .htaccess rewrite rules
Many posters have problems debugging their RewriteRule and RewriteCond statements within their .htaccess files. Most of these are using a shared hosting service and therefore don't have access to the root server configuration. They cannot avoid using .htaccess files for rewriting and cannot e...
IN clause and placeholders
I'm attempting to do the following SQL query within Android:
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Simple C example of doing an HTTP POST and consuming the response
...mple C application that does an HTTP post. It will take a few parameters, and use these to construct a URL. I'd just like to do a simple HTTP POST and get the response without the use of curl (the libraries are not and will not be installed on the machine this needs to run).
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Matplotlib plots: removing axis, legends and white spaces
I'm new to Python and Matplotlib, I would like to simply apply colormap to an image and write the resulting image, without using axes, labels, titles or anything usually automatically added by matplotlib. Here is what I did:
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Android emulator freezing OS X v10.9 (Mavericks) with HAXM
I just updated to OS X v10.9 (Mavericks), and now whenever I start up any of my emulators, as soon as the emulator starts up, my entire computer freezes with a spinning progress indicator in the center of the screen (not a beachball, the progress indicator is similar to what you see when shutting...
How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth
...ncoded stuff appears to match even though the header says BEGIN PUBLIC KEY and not BEGIN RSA PUBLIC KEY. So maybe just use str_replace to fix that and you should be good to go!
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Can Android Studio be used to run standard Java projects?
For those times when you want to isolate the Java and give it a quick test..
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using awk with column value conditions
I'm learning awk from The AWK Programming Language and I have a problem with one of the examples.
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How to input a regex in string.replace?
...racters" which need to be escaped (i.e. with a backslash placed in front - and the rules are different inside and outside character classes.) There is an excellent online tutorial at: www.regular-expressions.info. The time you spend there will pay for itself many times over. Happy regexing!
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