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How to install packages using pip according to the requirements.txt file from a local directory?
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This works for me:
$ pip install -r requirements.txt --no-index --find-links file:///tmp/packages
--no-index - Ignore package index (only looking at --find-links URLs instead).
-f, --find-links <URL> - If a URL or path to ...
Can I protect against SQL injection by escaping single-quote and surrounding user input with single-
...ng queries that contain user input, but I'm wondering what is wrong with taking user input and escaping any single quotes and surrounding the whole string with single quotes. Here's the code:
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When is it practical to use Depth-First Search (DFS) vs Breadth-First Search (BFS)? [closed]
I understand the differences between DFS and BFS, but I'm interested to know when it's more practical to use one over the other?
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Use cases for the 'setdefault' dict method
...unsorted data, else use itertools.groupby)
# really verbose
new = {}
for (key, value) in data:
if key in new:
new[key].append( value )
else:
new[key] = [value]
# easy with setdefault
new = {}
for (key, value) in data:
group = new.setdefault(key, []) # key might exist a...
How can I calculate the difference between two dates?
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dreamlaxdreamlax
87.6k2828 gold badges154154 silver badges202202 bronze badges
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Class.forName() vs ClassLoader.loadClass() - which to use for dynamic loading? [duplicate]
...ect associated with the class or interface with the given string name. Invoking this method is equivalent to: Class.forName(className, true, currentLoader)
(true here refers to do you want to initialize the class?)
On the other hand, ClassLoader.loadClass(String):
Invoking this method is equi...
How to split a string into a list?
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Casimir Crystal
17.4k1111 gold badges5252 silver badges7676 bronze badges
answered Apr 13 '09 at 12:54
nstehrnstehr
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How can I fix the Microsoft Visual Studio error: “package did not load correctly”?
...2013
%localappdata%\Microsoft\VisualStudio\12.0\ComponentModelCache
It worked fine for me. Thanks to this article.
Visual Studio 2015
%localappdata%\Microsoft\VisualStudio\14.0\ComponentModelCache
Visual Studio 2017
%localappdata%\Microsoft\VisualStudio\15.0_xxxx\ComponentModelCache
Visual Studio...
How can I resize an image dynamically with CSS as the browser width/height changes?
I wonder how I could make an image resize along with the browser window, here is what I have done so far (or download the whole site in a ZIP ).
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Visual Studio keyboard shortcut to automatically add the needed 'using' statement
What is the keyboard shortcut to expand the little red line that gives you the menu where you can choose to have the necessary using statement added to the top of the file?
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