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Which is the preferred way to concatenate a string in Python?
...appending a string to a string variable is to use + or +=. This is because it's readable and fast. They are also just as fast, which one you choose is a matter of taste, the latter one is the most common. Here are timings with the timeit module:
a = a + b:
0.11338996887207031
a += b:
0.110404968261...
How to Parse Command Line Arguments in C++? [duplicate]
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edited May 21 '13 at 21:22
ChrisN
15.4k88 gold badges5151 silver badges7575 bronze badges
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Git pull results in extraneous “Merge branch” messages in commit log
I'm working with another developer on a project, and we're using Github as our remote repo. I'm on a Mac using git 1.7.7.3, he's on Windows using git 1.7.6.
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Ruby: How to post a file via HTTP as multipart/form-data?
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I like RestClient. It encapsulates net/http with cool features like multipart form data:
require 'rest_client'
RestClient.post('http://localhost:3000/foo',
:name_of_file_param => File.new('/path/to/file'))
It also supports streaming.
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How can I escape white space in a bash loop list?
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First, don't do it that way. The best approach is to use find -exec properly:
# this is safe
find test -type d -exec echo '{}' +
The other safe approach is to use NUL-terminated list, though this requires that your find support -print0:
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How can I find the length of a number?
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edited Jun 8 '12 at 16:34
answered Jun 8 '12 at 16:26
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Qt: can't find -lGL error
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edited Jul 30 '18 at 14:05
Rando Hinn
1,1151717 silver badges3232 bronze badges
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Mix Razor and Javascript code
I'm pretty confused with how to mix razor and js. This is the current function I am stuck with:
7 Answers
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What does “abstract over” mean?
Often in the Scala literature, I encounter the phrase "abstract over", but I don't understand the intent. For example , Martin Odersky writes
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How to import a class from default package
I am using Eclipse 3.5 and I have created a project with some package structure along with the default package. I have one class in default package - Calculations.java and I want to make the use of that class in any of the package (for instance in com.company.calc ). When I try to make the use of...