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How do I create a list of random numbers without duplicates?
I tried using random.randint(0, 100) , but some numbers were the same. Is there a method/module to create a list unique random numbers?
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ByteBuffer.allocate() vs. ByteBuffer.allocateDirect()
...able to
the JVM. Nondirect byte buffers can be
passed to channels, but doing so may
incur a performance penalty. It's
usually not possible for a nondirect
buffer to be the target of a native
I/O operation. If you pass a nondirect
ByteBuffer object to a channel for
write, the channel ...
When should I use OWIN Katana?
I am new to OWIN and Katana. I really don't get why I should use OWIN, while I can use IIS . To simplify, my question is: What do I lose if I skip learning OWIN and use IIS for my websites?
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How is the undo tree used in Vim?
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See also :h undo-redo, which lists all the commands and their usage.
There are two ways to traverse the undo tree. One is to go "back in time". g+ and g- will traverse all of the nodes in the tree in chronological or reverse-chronolog...
How to split a string, but also keep the delimiters?
...bility is valid. Readability is always the problem for RegEx. One thing, I do to help easing this is to create a variable whose name represent what the regex does and use Java String format to help that. Like this:
static public final String WITH_DELIMITER = "((?<=%1$s)|(?=%1$s))";
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public vo...
How do I compare version numbers in Python?
...l always sort before valid versions.
Note: packaging has recently been vendored into setuptools.
An ancient alternative still used by a lot of software is distutils.version, built in but undocumented and conformant only to the superseded PEP 386;
>>> from distutils.version import Loose...
How to include a quote in a raw Python string
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If you want to use double quotes in strings but not single quotes, you can just use single quotes as the delimiter instead:
r'what"ever'
If you need both kinds of quotes in your string, use a triple-quoted string:
r"""what"ev'er"""
If you...
How to select a drop-down menu value with Selenium using Python?
I need to select an element from a drop-down menu.
13 Answers
13
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How can I get a JavaScript stack trace when I throw an exception?
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see comment on original question: you don't need custom code, just use "throw new Error('arrrgh')"
– Joshua Richardson
May 29 '13 at 0:02
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iterating over each character of a String in ruby 1.8.6 (each_char)
...rately from a base String in ruby. I am using ruby 1.8.6 and would like to do something like:
5 Answers
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