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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 ...
Create list of single item repeated N times
...answered Aug 11 '10 at 14:04
Mark ByersMark Byers
683k155155 gold badges14681468 silver badges13881388 bronze badges
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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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Where does the @Transactional annotation belong?
... the Service classes which are calling using the DAO objects? Or does it make sense to annotate both "layers"?
19 Answers
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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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The project type is not supported by this installation
...nce-accurate answer is no longer as accurate. Leaving intact after the break for this reason. - thanks - jcolebrand
What edition of VS do you use? VS2008 Express, Standard, Pro or Team System? VS2010 Professional, Premium or Ultimate? I would expect that the project you downloaded was created us...