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Is it expensive to use try-catch blocks even if an exception is never thrown?
We know that it is expensive to catch exceptions. But, is it also expensive to use a try-catch block in Java even if an exception is never thrown?
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Regular expression to match a dot
Was wondering what the best way is to match "test.this" from "blah blah blah test.this@gmail.com blah blah" is? Using Python.
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Django - filtering on foreign key properties
I'm trying to filter a table in Django based on the value of a particular field of a ForeignKey .
3 Answers
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Set a persistent environment variable from cmd.exe
I have to set environment variables on different windows machines, but I don't want to be bothered changing them manually by getting on the properties screen of "My Computer"
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How to replace a character with a newline in Emacs?
I am trying to replace a character - say ; - with a new line using replace-string and/or replace-regexp in Emacs.
6 A...
Convert any object to a byte[]
I am writing a prototype TCP connection and I am having some trouble homogenizing the data to be sent.
13 Answers
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
... milliseconds, but on this Linux box I'm working on, it rounds it to the nearest 1000 so the precision is only to the "second" level and not to the milliseconds level.
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NerdTree - Reveal file in tree
Is there a shortcut which reveal the current file in the NerdTree directory panel.
5 Answers
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In SQL, how can you “group by” in ranges?
Suppose I have a table with a numeric column (lets call it "score").
15 Answers
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How to add edge labels in Graphviz?
I am trying to draw a graph using Graphviz, but I need to add labels on the edges. There does not seem to be any way to that in Graphviz.
Are there a way out?
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