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Set Background color programmatically [duplicate]
I try to set background color programmatically but when I set every one of my colors, the background being black but with any color background being white like the application theme.
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How to hide output of subprocess in Python 2.7
...t os
import subprocess
FNULL = open(os.devnull, 'w')
retcode = subprocess.call(['echo', 'foo'], stdout=FNULL, stderr=subprocess.STDOUT)
It is effectively the same as running this shell command:
retcode = os.system("echo 'foo' &> /dev/null")
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Append an element with fade in effect [jQuery]
...fo:
jQuery implements "method chaining", which means you can chain method calls on the same element. In the first case:
$("#mycontent").append(html).fadeIn(999);
you would be applying the fadeIn call to the object which is target of the method chain, in this case #mycontent. Not what you want.
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PHP MySQL Google Chart JSON - Complete Example
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Some might encounter this error either locally or on the server:
syntax error var data = new google.visualization.DataTable(<?=$jsonTable?>);
This means that their environment does not support short tags the solution is to use this instead:
<?php echo $...
Convert SQLITE SQL dump file to POSTGRESQL
...ch a sequence to that column so that INSERTs with NULL ids will be automatically assigned the next available value. PostgreSQL will also not recognize AUTOINCREMENT commands, so these need to be removed.
You'll also want to check for datetime columns in the SQLite schema and change them to timestamp...
How do I call Objective-C code from Swift?
In Swift, how does one call Objective-C code?
17 Answers
17
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I lose my data when the container exits
... recommended to create a Dockerfile.
In an empty directory, create a file called "Dockerfile" with the following contents.
FROM ubuntu
RUN apt-get install ping
ENTRYPOINT ["ping"]
Create an image using the Dockerfile. Let's use a tag so we don't need to remember the hexadecimal image number.
$ ...
What is a good pattern for using a Global Mutex in C#?
...uid );
// Need a place to store a return value in Mutex() constructor call
bool createdNew;
// edited by Jeremy Wiebe to add example of setting up security for multi-user usage
// edited by 'Marc' to work also on localized systems (don't use just "Everyone")
var allowEveryoneR...
Calculate a Running Total in SQL Server
Imagine the following table (called TestTable ):
15 Answers
15
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T-SQL - function with default parameters
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you have to call it like this
SELECT dbo.CheckIfSFExists(23, default)
From Technet:
When a parameter of the function has a default value, the keyword
DEFAULT must be specified when the function is called in order to
retrieve t...