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How to call an external command?
...w do you call an external command (as if I'd typed it at the Unix shell or Windows command prompt) from within a Python script?
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What is the difference between supervised learning and unsupervised learning? [closed]
...hat is close to the input vector in the Euclidean distance is announced as winner in the competition. That neuron is called best matching neuron,
i.e. x = arg min ║x - w║.
Cooperative phase:
the winning neuron determines the center of a topological neighborhood h of cooperating neurons. Thi...
How to add not null constraint to existing column in MySQL
...isting column definition. For example:
ALTER TABLE Person MODIFY P_Id INT(11) NOT NULL;
A word of caution: you need to specify the full column definition again when using a MODIFY query. If your column has, for example, a DEFAULT value, or a column comment, you need to specify it in the MODIFY st...
Why do I need 'b' to encode a string with Base64?
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answered Jan 18 '12 at 11:22
Lennart RegebroLennart Regebro
139k3737 gold badges203203 silver badges239239 bronze badges
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What are the differences between 'call-template' and 'apply-templates' in XSL?
...emplates can match a node, the one with the more specific match expression wins. If more than one matching template with the same specificity exist, the one declared last wins.
You can concentrate more on developing templates and need less time to do "plumbing". Your programs will become more power...
How can I export tables to Excel from a webpage [closed]
...r-side language required, and most of all very EASY to understand. It's a win-win. The one thing it does have limits on, though, is strict formatting of columns.
If formatting and colors are absolute dealbreakers, the only 100% reliable, cross browser method I've found is to use a server-side lan...
How fast is D compared to C++?
...ations and disable all safety checks, compile your D program with the following DMD flags:
-O -inline -release -noboundscheck
EDIT: I've tried your programs with g++, dmd and gdc. dmd does lag behind, but gdc achieves performance very close to g++. The commandline I used was gdmd -O -release -inl...
What are best practices that you use when writing Objective-C and Cocoa? [closed]
...riable and method names with lower-case.
Whatever else you do, don't use Win16/Win32-style Hungarian notation. Even Microsoft gave up on that with the move to the .NET platform.
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How to configure an app to run correctly on a machine with a high DPI setting (e.g. 150%)?
I've created a simple Winforms application in C#. When I run the application on a machine with high DPI settings (e.g. 150%), the application gets scaled up. So far so good!
But instead of rendering the fonts with a higher font size, all texts are just scaled up, too. That of course leads to very bl...
Is file append atomic in UNIX?
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answered Jul 20 '09 at 16:39
freiheitfreiheit
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