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Get a pixel from HTML Canvas?
...ixelXY(imgData, x, y) {
return getPixel(imgData, y*imgData.width+x);
}
PS: If you plan to mutate the data and draw them back on the canvas, you can use subarray
var
idt = imgData, // See previous code snippet
a = getPixel(idt, 188411), // Array(4) [0, 251, 0, 255]
b = idt.data.subarray(188...
MySQL: determine which database is selected?
...can use the following instead:
SELECT DATABASE();
That said, it is perhaps important to note, that while FROM DUAL does not actually do anything, it is valid MySQL syntax. From a strict perspective, including braces in a single line conditional in JavaScript also does not do anything, but it is s...
Is it possible to run one logrotate check manually?
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plus1 for actually providing a complete example. PS How can we determine what logrotate actually does to the files?
– personal_cloud
Oct 5 '17 at 17:17
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How do you return the column names of a table?
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@Losbear changed it PS: Not lazy, it's just code from 8 years ago. :) In old times (I used SQL Server starting at version 4.2), I used to write SQL queries this way. no performance issues.
– splattne
Oct 6 ...
EProgrammerNotFound exception in Delphi?
...http://blog.barrkel.com/2008/11/reference-counted-pointers-revisited.html
PS: I don't think it exists in Delphi Prism, FreePascal or C# (but it should). <G>
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Dictionary text file [closed]
...wered Feb 6 '14 at 20:14
Sujith PSSujith PS
4,30733 gold badges2828 silver badges5757 bronze badges
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Identifying and removing null characters in UNIX
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@Darko So I did. Oops.
– Tim Čas
May 1 at 11:50
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ResourceDictionary in a separate assembly
...project.
Structure of Projects:
Resource Dictionary:
Code Output:
PS: All ResourceDictionary Files should have Build Action as 'Resource' or 'Page'.
Using C#:
If anyone wants the solution in purely c# code then see my this
solution.
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Visual Studio refuses to forget breakpoints?
...er on, during development, I remove a disabled breakpoint when I see one.
PS. It's also a good practice to remove all breakpoints once in a while.
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How do you comment out code in PowerShell?
...d more specifically for help comments.
#REQUIRES -Version 2.0
<#
.SYNOPSIS
A brief description of the function or script. This keyword can be used
only once in each topic.
.DESCRIPTION
A detailed description of the function or script. This keyword can be
used only once in each t...