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How to import a Python class that is in a directory above?
...from within pkg.subpkg1 you will import pkg.subpkg2.mod. The specification for relative imports is contained within PEP 328.
PEP 328 deals with absolute/relative imports.
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How can I check if a string represents an int, without using try/except?
...onic to solve simple problem with complex mechanism? There is an algorithm for detecting int's written inside function "int" -- I don't see why isn't this exposed as a boolean function.
– Aivar
Sep 23 '11 at 20:21
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Is there a REAL performance difference between INT and VARCHAR primary keys?
Is there a measurable performance difference between using INT vs. VARCHAR as a primary key in MySQL? I'd like to use VARCHAR as the primary key for reference lists (think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables.
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Recursion in Angular directives
...RecursionHelper.compile(element);
}
};
}]);
See this Plunker for a demo.
I like this solution best because:
You don't need an special directive which makes your html less clean.
The recursion logic is abstracted away into the RecursionHelper service, so you keep your directives clean...
What is the best (and safest) way to merge a Git branch into master?
...rigin master
If I have a local branch from a remote one, I don't feel comfortable with merging other branches than this one with the remote. Also I would not push my changes, until I'm happy with what I want to push and also I wouldn't push things at all, that are only for me and my local reposito...
How do I run a Python program in the Command Prompt in Windows 7?
... path to the directory containing python.exe (e.g. C:\Python27). See below for exact steps.
The PATH environment variable lists all the locations that Windows (and cmd.exe) will check when given the name of a command, e.g. "python" (it also uses the PATHEXT variable for a list of executable file ex...
Can't pickle when using multiprocessing Pool.map()
... to be pickled, registering it with the copy_reg standard library method.
For example, Steven Bethard's contribution to this thread (towards the end of the thread) shows one perfectly workable approach to allow method pickling/unpickling via copy_reg.
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Reference - What does this error mean in PHP?
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Warning: Cannot modify header information - headers already sent
Happens when your script tries to send an HTTP header to the client but there already was output before, which resulted in headers to be already sent to the client.
This is an E_WARNING and ...
What do linkers do?
...rogram that does anything useful will need to reference other files. In C, for example, a simple program to print your name to the screen would consist of:
printf("Hello Kristina!\n");
When the compiler compiled your program into an obj file, it simply puts a reference to the printf function. The...
What does FETCH_HEAD in Git mean?
...s correct. And git fetch without arguments does update all remote branches for the default remote... but this is definitely not the same as merging.
– Cascabel
Jul 27 '12 at 1:56
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