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How to save all the variables in the current python session?
I want to save all the variables in my current python environment. It seems one option is to use the 'pickle' module. However, I don't want to do this for 2 reasons:
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Dynamic cell width of UICollectionView depending on label width
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You cannot imagine how I thank you! That really works. Now I only need to resolve [cell.myLabel sizeToFit] problem, because it appears in its full size only after scrolling. But I have not been even close to your solution.
– pulp
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MFC OnEraseBkgnd浅析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...吧
HBRUSH CDisplayBmpBackGroundDlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor)
{
if(nCtlColor == CTLCOLOR_DLG || nCtlColor == CTLCOLOR_BTN || nCtlColor == CTLCOLOR_STATIC)
{
pDC->SetBkMode(TRANSPARENT);
}
return HBRUSH(GetStockObject(HOLLOW_BRUSH));
}
4...
What is the best algorithm for overriding GetHashCode?
...hroughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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Principal component analysis in Python
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Months later, here's a small class PCA, and a picture:
#!/usr/bin/env python
""" a small class for Principal Component Analysis
Usage:
p = PCA( A, fraction=0.90 )
In:
A: an array of e.g. 1000 observations x 20 variables, 1000 rows x 20 colum...
C# 4.0: Can I use a TimeSpan as an optional parameter with a default value?
...g types: bool, byte, char, double, float, int, long, sbyte, short, string, uint, ulong, ushort.
The type object.
The type System.Type.
An enum type.
(provided it has public accessibility and the types in which it is nested (if any) also have public accessibility)
Single-dimensional arrays ...
How to efficiently compare two unordered lists (not sets) in Python?
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For short lists, big-O analysis is usually irrelevant because the timings are dominated by constant factors. For the longer lists, I suspect something is wrong with your benchmarking. For 100 ints with 5 repeats each, I get: 127 usec for sorted and 42 for Count...
Converting between datetime, Timestamp and datetime64
...>> numpy.__version__
'1.6.2' # current version available via pip install numpy
I can reproduce the long value on numpy-1.8.0 installed as:
pip install git+https://github.com/numpy/numpy.git#egg=numpy-dev
The same example:
>>> from datetime import datetime
>>> import num...
What is the difference between a definition and a declaration?
...// extern can be omitted for function declarations
class foo; // no extern allowed for type declarations
A definition actually instantiates/implements this identifier. It's what the linker needs in order to link references to those entities. These are definitions corresponding to the above declara...
How do I list all cron jobs for all users?
Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...