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Are there good reasons not to use an ORM? [closed]
... to know the framework instead of knowing the SqlConnection’s exceptions etc.
– hangy
Oct 11 '08 at 14:59
4
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Git Symlinks in Windows
...2. Tell Bash to create hardlinks instead of symlinks
EDIT -- (git folder)/etc/bash.bashrc
ADD TO BOTTOM - MSYS=winsymlinks:nativestrict
3. Set git config to use symlinks
git config core.symlinks true
or
git clone -c core.symlinks=true <URL>
NOTE: I have tried adding this to the global...
Migrating from JSF 1.2 to JSF 2.0
...l this be? I noticed that some attributes in custom tags have been changed etc.
5 Answers
...
Why are elementwise additions much faster in separate loops than in a combined loop?
...d it shows the same performance gap for n = 80000, n = 100000, n = 200000, etc...
– Mysticial
Dec 18 '11 at 1:48
2
...
List changes unexpectedly after assignment. How do I clone or copy it to prevent this?
...d and copy any
# values which aren't immutable (like lists, dicts etc)
obj = obj.copy()
for k in obj:
if type(obj[k]) in dignore:
continue
obj[k] = Copy(obj[k], use_deepcopy)
elif t in dignore:
# Numeric or string/unicode...
Saving an Object (Data persistence)
...kler = pickle.Pickler(output, -1)
pickler.dump(obj1)
pickler.dump(obj2)
etc...
Note: If you're in an environment running different versions of Python, then you'll probably want to explicitly use (i.e. hardcode) a specific protocol number that all of them can read (later versions can generally r...
Change one value based on another value in pandas
...eration which is overridden for series. Fancy string formatting, f-strings etc won't work here since the + applies to scalars and not 'primitive' values:
df['description'] = 'A ' + df.age.astype(str) + ' years old ' \
+ df.type + ' ' + df.animal
In [2]: df
Out[2]:
animal ...
Lock, mutex, semaphore… what's the difference?
...ead termination notification, recursion?, 'priority inversion avoidance'?, etc].
4) And now, talking about 'spinlocks', first some definitions:
Critical Region= A region of memory shared by 2 or more processes.
Lock= A variable whose value allows or denies the entrance to a 'critical region'. (It...
Is recursion ever faster than looping?
... of steps: a sequence of instructions: i.e.: do this first, do this after, etc. An imperative sequence of instructions. Even one line expressions are "an imperative sequence of instructions". If you have an expression with a specific "order of evaluation" then you have steps. It means than even a si...
Various ways to remove local Git changes
...aster branch and make sure you are up to date.
git checkout master
git fetch [this may be necessary (depending on your git config) to receive updates on origin/master ]
git pull
# Merge the feature branch into the master branch.
git merge feature_branch
# Reset the master branch to origi...