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How to join components of a path when you are constructing a URL in Python
...n the current os. posixpath is the underlying module that is used on posix systems under the namespace os.path:
>>> os.path.join is posixpath.join
True
>>> posixpath.join('/media/', 'js/foo.js')
'/media/js/foo.js'
So you can just import and use posixpath.join instead for urls, w...
How can I map True/False to 1/0 in a Pandas DataFrame?
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A succinct way to convert a single column of boolean values to a column of integers 1 or 0:
df["somecolumn"] = df["somecolumn"].astype(int)
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How do I get the path of the current executed file in Python?
...odules are built-in to the interpreter, e.g., by py2exe
return hasattr(sys, "frozen")
def module_path():
encoding = sys.getfilesystemencoding()
if we_are_frozen():
return os.path.dirname(unicode(sys.executable, encoding))
return os.path.dirname(unicode(__file__, encoding))
...
Generate random int value from 3 to 6
... maximum value, it can be generated.
SELECT @MIN+FLOOR((@MAX-@MIN+1)*RAND(CONVERT(VARBINARY,NEWID()))); --And then this T-SQL snippet generates an integer between minimum and maximum integer values.
You can change and edit this code for your needs.
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How to pass a URI to an intent?
...string
intent.putExtra("imageUri", imageUri.toString());
and then just convert the string back to uri like this
Uri myUri = Uri.parse(extras.getString("imageUri"));
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What is the best way to exit a function (which has no return value) in python before the function en
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@TomSawyer to stop a Python program early, do import sys first and then sys.exit() if you want to exit but report success or sys.exit("some error message to print to stderr").
– Boris
Mar 4 at 17:07
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Least common multiple for 3 or more numbers
...like that:
>>> f = lambda a,b: "f(%s,%s)" % (a,b)
>>> print reduce(f, "abcd")
f(f(f(a,b),c),d)
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What breaking changes are introduced in C++11?
...can be one of
A sequence of chars has been accumulated in stage 2 that is converted (according to the rules of scanf) to a value of the type of val. This value is stored in val and ios_base::goodbit is stored in err.
The sequence of chars accumulated in stage 2 would have caused scanf to report an ...
Store boolean value in SQLite
...ad, Boolean values are stored as integers 0 (false) and 1 (true).
You can convert boolean to int in this way:
int flag = (boolValue)? 1 : 0;
You can convert int back to boolean as follows:
// Select COLUMN_NAME values from db.
// This will be integer value, you can convert this int value ba...
Load dimension value from res/values/dimension.xml from source code
...ics associated with the resources." when all they want to say is that they convert to pixels.
– Trilarion
Dec 12 '15 at 22:31
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