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How do I perform an IF…THEN in an SQL SELECT?
...these limitations (for example, a need to return differently shaped result sets dependent on some condition) then SQL Server does also have a procedural IF keyword.
IF @IncludeExtendedInformation = 1
BEGIN
SELECT A,B,C,X,Y,Z
FROM T
END
ELSE
BEGIN
SELECT A,B,C
FROM ...
How to “properly” print a list?
...%s]' % ', '.join(map(str, mylist))
In Python 3 (where print is a builtin function and not a syntax feature anymore):
mylist = ['x', 3, 'b']
print('[%s]' % ', '.join(map(str, mylist)))
Both return:
[x, 3, b]
This is using the map() function to call str for each element of mylist, creating a n...
Why can't I call read() twice on an open file?
...
read() consumes. So, you could reset the file, or seek to the start before re-reading. Or, if it suites your task, you can use read(n) to consume only n bytes.
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How to check for a valid Base64 encoded string
Is there a way in C# to see if a string is Base 64 encoded other than just trying to convert it and see if there is an error? I have code code like this:
...
What do *args and **kwargs mean? [duplicate]
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Putting *args and/or **kwargs as the last items in your function definition’s argument list allows that function to accept an arbitrary number of arguments and/or keyword arguments.
For example, if you wanted to write a function that returned the sum of all its arguments, no ma...
Why not be dependently typed?
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@pigworker Is there a clean subset of Haskell that's total? If so, couldn't we just use that for the "fragment of the language that can exist in both value and type layers"? If not, what would it take to produce one?
– Ptharien's Fl...
Python - When to use file vs open
... editor after snippets, if snippets enabled
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Measuring execution time of a function in C++
I want to find out how much time a certain function takes in my C++ program to execute on Linux . Afterwards, I want to make a speed comparison . I saw several time function but ended up with this from boost. Chrono:
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How can I format a String number to have commas and round?
...d here. You call it like this:
public static void main(String[])
{
int settings = ValueFormat.COMMAS | ValueFormat.PRECISION(2) | ValueFormat.MILLIONS;
String formatted = ValueFormat.format(1234567, settings);
}
I should also point out this doesn't handle decimal support, but is very useful...
Is it possible to implement a Python for range loop without an iterator variable?
Is it possible to do following without the i ?
14 Answers
14
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