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android: move a view on touch move (ACTION_MOVE)
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They don't have to be final. I made them final just for avoid reassign these variables.
– Vyacheslav Shylkin
Jul 8 '13 at 9:25
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Characters allowed in a URL
...rics, the special characters "$-_.+!*'(),", and
reserved characters used for their reserved purposes may be used
unencoded within a URL.
EDIT: As @Jukka K. Korpela correctly points out, this RFC was updated by RFC 3986.
This has expanded and clarified the characters valid for host, unfortunate...
Get bitcoin historical data [closed]
...ly, you CAN get the whole Bitcoin trades history from Bitcoincharts in CSV format here :
http://api.bitcoincharts.com/v1/csv/
it is updated twice a day for active exchanges, and there is a few dead exchanges, too.
EDIT: Since there are no column headers in the CSVs, here's what they are :
column 1...
How to convert CFStringRef to NSString?
...e "Toll free bridged", meaning that you can simply typecast between them.
For example:
CFStringRef aCFString = (CFStringRef)aNSString;
works perfectly and transparently. Likewise:
NSString *aNSString = (NSString *)aCFString;
The previous syntax was for MRC. If you're using ARC, the new castin...
Is it possible to make abstract classes in Python?
...bstractmethod makes it so that the decorated function must be overridden before the class can be instantiated. From the docs: A class that has a metaclass derived from ABCMeta cannot be instantiated unless all of its abstract methods and properties are overridden.
– Fake Name
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How to import a Python class that is in a directory above?
...from within pkg.subpkg1 you will import pkg.subpkg2.mod. The specification for relative imports is contained within PEP 328.
PEP 328 deals with absolute/relative imports.
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URL rewriting with PHP
...([0-9]+)$ /picture.php?id=$1
This will tell Apache to enable mod_rewrite for this folder, and if it gets asked a URL matching the regular expression it rewrites it internally to what you want, without the end user seeing it. Easy, but inflexible, so if you need more power:
The PHP route
Put the ...
What is the proper way to re-attach detached objects in Hibernate?
...lling update() on the detached object. In our experience, it may be easier for you to understand the following code if you rename the update() method in your mind to reattach()—however, there is a good reason it’s called updating. More can be found in section 9.3.2
– cwash
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“Large data” work flows using pandas
I have tried to puzzle out an answer to this question for many months while learning pandas. I use SAS for my day-to-day work and it is great for it's out-of-core support. However, SAS is horrible as a piece of software for numerous other reasons.
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Calling C/C++ from Python?
...tion taken from their website:
The Boost Python Library is a framework for interfacing Python and
C++. It allows you to quickly and seamlessly expose C++ classes
functions and objects to Python, and vice-versa, using no special
tools -- just your C++ compiler. It is designed to wrap C++ in...