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How do I output an ISO 8601 formatted string in JavaScript?
...ose function calls like "getUTCFullYear" are failing because they are not known to IE document mode 5.
– Elaskanator
Mar 5 '18 at 16:25
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sh...
Expand a random range from 1–5 to 1–7
... sampling, e.g.:
int i;
do
{
i = 5 * (rand5() - 1) + rand5(); // i is now uniformly random between 1 and 25
} while(i > 21);
// i is now uniformly random between 1 and 21
return i % 7 + 1; // result is now uniformly random between 1 and 7
This has an expected runtime of 25/21 = 1.19 itera...
What's the difference between django OneToOneField and ForeignKey?
...the name of the reporter.
In [8]: A1.reporter.first_name
Out[8]: 'Rick'
Now create the Reporter object R2 by running the following python code.
In [9]: R2 = Reporter.objects.create(first_name='Harry')
In [10]: R2.save()
Now try to add R2 to the Article object A1.
In [13]: A1.reporter.add(R2)...
Is there a REAL performance difference between INT and VARCHAR primary keys?
... your database? And pretend that SU never exists? And all references to SU now points to Russia?
– Dainius
Aug 23 '12 at 8:01
6
...
Regular expression to allow spaces between words
...tl;dr
Just add a space in your character class.
^[a-zA-Z0-9_ ]*$
Now, if you want to be strict...
The above isn't exactly correct. Due to the fact that * means zero or more, it would match all of the following cases that one would not usually mean to match:
An empty string, "".
A string...
How can I generate a unique ID in Python? [duplicate]
...uction code (and about to roll out to more uses of it in a newer release). Now I'm scared!
– Matthew Schinckel
Nov 6 '10 at 7:38
2
...
“is” operator behaves unexpectedly with integers
...
does anyone know how that range (-5, 256) was chosen? i wouldn't be too surprised if it were (0, 255) or even (-255, 255), but a range of 262 numbers starting at -5 seems surprisingly arbitrary.
– Woodrow Barlow
...
How to elegantly ignore some return values of a MATLAB function?
...ction:
Func3 = @() deal(1,2,3);
[a,b,c]=Func3();
% yields a=1, b=2, c=3
Now the key here is that if you use an variable twice in the left hand side of a multiple-expression assignment, an earlier assignment is clobbered by the later assignment:
[b,b,c]=Func3();
% yields b=2, c=3
[c,c,c]=Func3()...
python: Change the scripts working directory to the script's own directory
... into whatever directory your Python script is located, even if you don't know what directory that will be when you're writing your script. To do this, you can use the os.path functions:
import os
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
This takes th...
How do I run Python code from Sublime Text 2?
...
{"keys": ["ctrl+shift+c"], "command": "exec", "args": {"kill": true} }
Now, you can use ctrl+shift+c instead of CTRL+BREAK
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