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Python concatenate text files
...if they were a single file is very handy. (Also, the fact that fileinput closes each file as soon as it's done means there's no need to with or close each one, but that's just a one-line savings, not that big of a deal.)
There are some other nifty features in fileinput, like the ability to do in-pl...
Visibility of global variables in imported modules
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Globals in Python are global to a module, not across all modules. (Many people are confused by this, because in, say, C, a global is the same across all implementation files unless you explicitly make it static.)
There are different ways to solve this, depending on your ac...
'^M' character at end of lines
...the SQL script as it is echoed to the command-line. I don't know on which OS the SQL script was originally created.
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How do I check CPU and Memory Usage in Java?
... @ComputerScientist Because free is actually what is free (post GC) it doesn't show objects waiting for GC. To get MUCH more accurate, run 2 garbage collections before this answer. If you try it with and without GC you will find the post-GC values very consistent but the preGC will ...
Why is printing to stdout so slow? Can it be sped up?
... logging I decided to look into it and was quite surprised to find that almost all the time spent is waiting for the terminal to process the results.
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How to read a single character from the user?
...now there's a function in Windows for it, but I'd like something that is cross-platform.
23 Answers
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Understanding Apache's access log
...>s %b \"%{Referer}i\" \"%{User-agent}i\"" combined
%h is the remote host (ie the client IP)
%l is the identity of the user determined by identd (not usually used since not reliable)
%u is the user name determined by HTTP authentication
%t is the time the request was received.
%r is the request...
Rails 3 - can't install pg gem
...ur pg-config can be in different locations depending on how you installed postgres.
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How to reset Android Studio
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I only know how to do this on Windows (but it should be similar on any OS, you will just need to find the correct location yourself - google search would help with that).
On Windows:
Go to your User Folder - on Windows 7/8 this would be:
[SYSDRIVE]:\Users\[your username] (ex. C:\Users\Joh...
What is the “FS”/“GS” register intended for?
So I know what the following registers and their uses are supposed to be:
5 Answers
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