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From an array of objects, extract value of a property as array
...
1524
Here is a shorter way of achieving it:
let result = objArray.map(a => a.foo);
OR
let r...
Enable access control on simple HTTP server
...'OPTIONS') Server: SimpleHTTP/0.6 Python/2.7.6 Date: Wed, 21 Jan 2015 23:16:10 GMT Content-Type: text/html Connection: close Access-Control-Allow-Origin: *
– HairOfTheDog
Jan 21 '15 at 23:19
...
SQL Server Regular expressions in T-SQL
...FUNCTION RegexContain(@text NVARCHAR(50), @pattern NVARCHAR(50))
RETURNS smallint
AS
EXTERNAL NAME CLR_Functions.[CLR_Functions.myFunctions].RegexContain
Then you should have complete access to the function via the database you stored the assembly in.
Then use in queries like so:
SELECT *
FR...
CMake unable to determine linker language with C++
...d (according to the documentation), but it wasn't helpful to me:
Optionally you can specify which languages your project supports.
Example languages are CXX (i.e. C++), C, Fortran, etc. By default C
and CXX are enabled. E.g. if you do not have a C++ compiler, you can
disable the check for ...
Apply multiple functions to multiple groupby columns
...ion.
I recommend making a single custom function that returns a Series of all the aggregations. Use the Series index as labels for the new columns:
def f(x):
d = {}
d['a_sum'] = x['a'].sum()
d['a_max'] = x['a'].max()
d['b_mean'] = x['b'].mean()
d['c_d_prodsum'] = (x['c'] * x['d...
Can't find the PostgreSQL client library (libpq)
...
Marc-André Lafortune
70.6k1414 gold badges150150 silver badges162162 bronze badges
answered Sep 21 '11 at 9:44
Siddhartha MukherjeeSiddhartha M...
Capture characters from standard input without waiting for enter to be pressed
...oo much on the terminal used that may be connected with stdin (they are usually line buffered). You can, however use a library for that:
conio available with Windows compilers. Use the _getch() function to give you a character without waiting for the Enter key. I'm not a frequent Windows developer...
Date vs DateTime
...
Unfortunately, not in the .Net BCL. Dates are usually represented as a DateTime object with the time set to midnight.
As you can guess, this means that you have all the attendant timezone issues around it, even though for a Date object you'd want absolutely no timezone han...
Map over object preserving keys
... am i out of my mind?
– jsh
Sep 28 '15 at 18:22
@jsh In this case, _.map() is returning [['one', 3], ['two', 6], ['thr...
Using a piano keyboard as a computer keyboard [closed]
I have RSI problems and have tried 30 different computer keyboards which all caused me pain. Playing piano does not cause me pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture MIDI from a MIDI keyboard and output keyboard stroke...