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Creating a copy of a database in PostgreSQL [closed]
...te that if you're using pgAdmin and executing CREATE DATABASE ... TEMPLATE xxx from a SQL command window, you must disconnect from the database in the main pgAdmin window or you'll get the error about users connected to the database.
– Jack R-G
Sep 18 '14 at 19...
How to measure time taken between lines of code in python?
...llowing after the indented line(s) finishes executing:
Code block took: x.xxx ms
UPDATE: You can now get the class with pip install linetimer and then from linetimer import CodeTimer. See this GitHub project.
The code for above class:
import timeit
class CodeTimer:
def __init__(self, name=...
Searching for UUIDs in text with regex
...
Version 4 UUIDs have the form xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx where x is any hexadecimal digit and y is one of 8, 9, A, or B. e.g. f47ac10b-58cc-4372-a567-0e02b2c3d479.
source: http://en.wikipedia.org/wiki/Uuid#Definition
Therefore, this is techni...
Java SimpleDateFormat(“yyyy-MM-dd'T'HH:mm:ss'Z'”) gives timezone as IST
...00 hour and not -0700 it would be the following: yyyy-MM-dd'T'HH:mm:ss.SSSXXX
– Tastybrownies
Nov 16 '16 at 21:28
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How can I extract audio from video with ffmpeg?
...0:00:45.0 -q:a 0 -map a sample.mp3
The timestamps need to be in HH:MM:SS.xxx format or in seconds.
If you don't specify the -t option it will go to the end.
Working example:
Download ffmpeg
Open a Command Prompt (Start > Run > CMD) or on a Linux/Mac open a Terminal
cd to the directory wi...
Array slicing in Ruby: explanation for illogical behaviour (taken from Rubykoans.com)
... s[-2,2] = "CD" # "abCD"
To replace middle two characters: s[1..3] = "XX" # "aXXd"
The behavior of a range is pretty interesting. The starting point is the
same as the first argument when two arguments are provided (as described
above) but the end point of the range can be the 'character ...
Convenient C++ struct initialisation
... Such approach initializes fields twice. Once in constructor. Second is fb.XXX = YYY.
– Dmytro Ovdiienko
Nov 14 '18 at 14:36
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SQL Server dynamic PIVOT query?
...for CodigoFormaPago in (' + @cols + ')
) p
) xx
hasNext in Python iterators?
...
I always wondered why on earth python has all those __ xxx __ methods ? They seem so ugly.
– mP.
Feb 1 '10 at 11:45
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AJAX POST and Plus Sign ( + ) — How to Encode?
...ing you another problem, you will have one Item1 and & will be change %xx value and be as one value, see down here the return!
Example 1
$strPOST = "Item1=" . $Value1 . "&Item2=" . urlencode("+") will give Item1=Value1&Item2=%2B
Example 2
$strPOST = urlencode("Item1=" . $Value1 . "&...