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Iterate over object attributes in python
...t; yc = YourClass()
>>> yc.one = range(15)
>>> yc.two = 'test'
>>> dict(yc)
{'one': [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14], 'two': 'test'}
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How to write loop in a Makefile?
...pe platform.
for number in 1 2 3 4 ; do \
./a.out $$number ; \
done
Test as follows:
target:
for number in 1 2 3 4 ; do \
echo $$number ; \
done
produces:
1
2
3
4
For bigger ranges, use:
target:
number=1 ; while [[ $$number -le 10 ]] ; do \
echo $$number ; \...
How to retrieve an element from a set without removing it?
...formance might be important). As already shown by the other answers the fastest way is ForLoop.
However as long as one of the constant time approaches is used the performance difference will be negligible.
iteration_utilities (Disclaimer: I'm the author) contains a convenience function for this ...
Check if object is file-like in Python
... explicitly. The whole EAFP, duck typing thing is not some bullshit purity test. It's an actual egineering decision,
– drxzcl
Jan 21 '18 at 19:29
1
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Check for column name in a SqlDataReader object
...the way back in 2006. stackoverflow.com/a/891230/852208. Further without testing, it's possible that this code is actually slower with it's average case checking half of all columns (though still trivial in a db connected app). I would edit this answer to only include the middle paragraph as the ...
Git command to show which specific files are ignored by .gitignore
...called 'exclude'), I find a command line that could help you:
F:\prog\git\test\.git\info>type exclude
# git ls-files --others --exclude-from=.git/info/exclude
# Lines that start with '#' are comments.
# For a project mostly in C, the following would be a good set of
# exclude patterns (uncomment...
Can virtual functions have default parameters?
...oo(int i = 2) { cout << "B::foo" << i << endl; }
};
void test() {
A a;
B b;
A* ap = &b;
a.foo();
b.foo();
ap->foo();
}
you should get
A::foo1
B::foo2
B::foo1
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Replacing NAs with latest non-NA value
...l the other entries here. For the basic set of features, tidyr::fill is fastest while also not failing the edge cases. The Rcpp entry by @BrandonBertelsen is faster still, but it's inflexible regarding the input's type (he tested edge cases incorrectly due to a misunderstanding of all.equal).
If yo...
What are the best JVM settings for Eclipse? [closed]
...ion at work, some old P4 from 2002 with 2Go RAM and XPSp3. But I have also tested those same settings on Windows7)
Eclipse.ini
WARNING: for non-windows platform, use the Sun proprietary option -XX:MaxPermSize instead of the Eclipse proprietary option --launcher.XXMaxPermSize.
That is: Unless yo...
How to export a Vagrant virtual machine to transfer it
...y the lines you need.
In my case these are the hosts I need:
192.168.50.4 test.dev
192.168.50.4 vvv.dev
...
Where the 192.168.50.4 is the IP of my Virtual machine and test.dev and vvv.dev are developing hosts.
I hope this can help you :) I'll be happy if you feedback your go.
Some particulariti...