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Which is the preferred way to concatenate a string in Python?
...to a list:
a += b:
0.10780501365661621
a.append(b):
0.1123361587524414
OK, turns out that even when the resulting string is a million characters long, appending was still faster.
Now let's try with appending a thousand character long string a hundred thousand times:
a += b:
0.41823482513427734
...
What do “branch”, “tag” and “trunk” mean in Subversion repositories?
...
Hmm, not sure I agree with Nick re tag being similar to a branch. A tag is just a marker
Trunk would be the main body of development, originating from the start of the project until the present.
Branch will be a copy of code derived from a certain point...
Find an element in DOM based on an attribute value
...ly. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this.
There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it on just for selecting elements by attributes anymore.
There's not a very s...
gem install: Failed to build gem native extension (can't find header files)
...n/mysql_config
For Debian, and other distributions using Debian style packaging the ruby development headers are installed by:
sudo apt-get install ruby-dev
For Ubuntu the ruby development headers are installed by:
sudo apt-get install ruby-all-dev
If you are using a earlier version of ruby...
How do you check in python whether a string contains only numbers?
How do you check whether a string contains only numbers?
10 Answers
10
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How can I recover the return value of a function passed to multiprocessing.Process?
In the example code below, I'd like to recover the return value of the function worker . How can I go about doing this? Where is this value stored?
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BitBucket - download source as ZIP
I know I can get the project through git clone command, but is there any way, how to download the project through the web interface from BitBucket.org ?
In the best way, I am looking for a way to download a project source as ZIP compress file.
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How to download a Nuget package without nuget.exe or Visual Studio extension?
How can I download a NuGet package? I don't have the NuGet Visual Studio extension or the command line program nuget.exe. How can I download the .nupack file from the web? As I understand I will be able to extract the .dll files from it (with 7-zip) to use as normal.
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How to test if parameters exist in rails
...her or not both parameters are set, the first part of the following if block gets triggered. How can I make this part ONLY get triggered if both params[:one] and params[:two] is set?
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How do you follow an HTTP Redirect in Node.js?
... a page up in node and process the contents in my application. Something like this seems to work well:
9 Answers
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