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Why does the order of the loops affect performance when iterating over a 2D array?
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Great answer. If Mark wants read more about such nitty gritty, I'd recommend a book like Write Great Code.
– wkl
Mar 30 '12 at 13:59
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How to write to a file, using the logging Python module?
...g.DEBUG)
logger.addHandler(fh)
And you're good to go.
P.S. Make sure to read the logging HOWTO as well.
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How do I ignore files in a directory in Git?
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A blank line matches no files, so it can serve as a separator for readability.
A line starting with # serves as a comment.
An optional prefix ! which negates the pattern; any matching file excluded by a previous pattern will become included again. If a negated pattern matches, this will ove...
How to call a stored procedure from Java and JPA
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JPA 2.1 now support Stored Procedure, read the Java doc here.
Example:
StoredProcedureQuery storedProcedure = em.createStoredProcedureQuery("sales_tax");
// set parameters
storedProcedure.registerStoredProcedureParameter("subtotal", Double.class, ParameterMode....
What is the purpose of Flask's context stacks?
... to access various functionality. For example, you probably have code that reads...
from flask import request
Then, during a view, you might use request to access the information of the current request. Obviously, request is not a normal global variable; in actuality, it is a context local value....
ROW_NUMBER() in MySQL
...ons I do not see? I tried to ask the similar question to Bill in another thread but he seems to have ignored it.
– newtover
Jan 10 '12 at 13:16
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Why is a boolean 1 byte and not 1 bit of size?
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Reading a single bit in a bit vector requires three operations: shift, and, and another shift again. Writing is two. Whereas individual bytes can be accessed with a single one.
– sukru
J...
Redefine tab as 4 spaces
...users take note of the set softtabstop=4 feature! I am tired of trying to read your code with less, or any other editor except vim, only to see wacky indenting because you redefined tab to be some arbitrary number of spaces (even though the rest of the system thinks otherwise)! :-)
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Is Python interpreted, or compiled, or both?
... to stop nitpicking and answer the question you meant to ask: Practically (read: using a somewhat popular and mature implementation), Python is compiled. Not compiled to machine code ahead of time (i.e. "compiled" by the restricted and wrong, but alas common definition), "only" compiled to bytecode,...
Sending HTTP POST Request In Java
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byte[] buffer = new byte[2048];
for (int n = 0; n >= 0; n = in.read(buffer))
out.write(buffer, 0, n);
out.write("\r\n".getBytes(StandardCharsets.UTF_8));
}
private void sendField(OutputStream out, String name, String field) {
String o = "Content-Disposition: form-data; n...