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Pretty Printing a pandas dataframe
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To suppress the left index column one may want to also add showindex=False
– Arthur
Nov 9 '17 at 15:56
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Should a “static final Logger” be declared in UPPER-CASE?
...and thus equals() is called on the constant. I think I would make this the one caveat to 2.
– Robin
Dec 7 '13 at 14:58
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What is a Memory Heap?
...d via malloc). Memory allocated from the heap will remain allocated until one of the following occurs:
The memory is free'd
The program terminates
If all references to allocated memory are lost (e.g. you don't store a pointer to it anymore), you have what is called a memory leak. This is where...
Conditional compilation and framework targets
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One of the best ways to accomplish this is to create different build configurations in your project:
<PropertyGroup Condition=" '$(Framework)' == 'NET20' ">
<DefineConstants>NET20</DefineConstants>
<...
Setting different color for each series in scatter plot on matplotlib
...le and specifying the colours you want to loop over, using next to get the one you want. For example, with 3 colours:
import itertools
colors = itertools.cycle(["r", "b", "g"])
for y in ys:
plt.scatter(x, y, color=next(colors))
Come to think of it, maybe it's cleaner not to use zip with the ...
How to convert a String to its equivalent LINQ Expression Tree?
...g a parser (using Expression under the hood) isn't hugely taxing - I wrote one similar (although I don't think I have the source) in my train commute just before xmas...
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CSS: Animation vs. Transition
... to do them, just not when to do them.
A transition is an animation, just one that is performed between two distinct states - i.e. a start state and an end state. Like a drawer menu, the start state could be open and the end state could be closed, or vice versa.
If you want to perform something th...
When should I use C++ private inheritance?
...is case FailsToDerive is not a friend of ClassSealer.
EDIT
It was mentioned in the comments that this could not be made generic at the time using CRTP. The C++11 standard removes that limitation by providing a different syntax to befriend template arguments:
template <typename T>
class Se...
How to 'insert if not exists' in MySQL?
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Just to inform everyone. Using INSERT … ON DUPLICATE KEY UPDATE method does increment any AUTO_INCREMENT column with failed insert. Probably because it's not really failed, but UPDATE'd.
– not2qubit
Oct 2...
Matplotlib (pyplot) savefig outputs blank image
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First, what happens when T0 is not None? I would test that, then I would adjust the values I pass to plt.subplot(); maybe try values 131, 132, and 133, or values that depend whether or not T0 exists.
Second, after plt.show() is called, a new figure is created....
