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Passing an array to a function with variable number of args in Swift
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So disappointing! I hit this even with something as simple as trying to delegate my own log calls down to print!
– Mark A. Donohoe
Jul 2 at 18:12
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Good tool to visualise database schema? [closed]
...; Export > Graphviz Dot and export your database) 3.) Open terminal and convert dot file to SVG dot -Tsvg your_database.dot > your_database.svg 4.) Optionally convert generated SVG to JPG or PNG using any tool of your choice (Inkscape, ImageMagick, GraphicsMagick, etc.)
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Git diff output to file preserve coloring
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@RoR You'd have to put something in the middle there to convert the bash color codes to rtf format.
– ralphtheninja
Mar 14 '12 at 17:23
3
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datetime dtypes in pandas read_csv
...n has a keyword argument called parse_dates
Using this you can on the fly convert strings, floats or integers into datetimes using the default date_parser (dateutil.parser.parser)
headers = ['col1', 'col2', 'col3', 'col4']
dtypes = {'col1': 'str', 'col2': 'str', 'col3': 'str', 'col4': 'float'}
par...
How to generate a random int in C?
Is there a function to generate a random int number in C? Or will I have to use a third party library?
27 Answers
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Variable length (Dynamic) Arrays in Java
I was wondering how to initialise an integer array such that it's size and values change through out the execution of my program, any suggestions?
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SQL Data Reader - handling Null column values
... reliable way to detect and handle this situation.
I wrapped those things into extension methods and tend to return a default value if the column is indeed null:
public static string SafeGetString(this SqlDataReader reader, int colIndex)
{
if(!reader.IsDBNull(colIndex))
return reader.Get...
Jelly Bean DatePickerDialog — is there a way to cancel?
...n this sample, I use it inside a Fragment):
Bundle b = new Bundle();
b.putInt(DatePickerDialogFragment.YEAR, 2012);
b.putInt(DatePickerDialogFragment.MONTH, 6);
b.putInt(DatePickerDialogFragment.DATE, 17);
DialogFragment picker = new DatePickerDialogFragment();
picker.setArguments(b);
picker.show(g...
Using custom std::set comparator
I am trying to change the default order of the items in a set of integers to be lexicographic instead of numeric, and I can't get the following to compile with g++:
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How to initialise memory with new operator in C++?
I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
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