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Sorting an array of objects in Ruby by object attribute?
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230
I recommend using sort_by instead:
objects.sort_by {|obj| obj.attribute}
Especially if attrib...
Temporarily put away uncommitted changes in Subversion (a la “git-stash”)
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edited Jun 8 '18 at 10:38
Lii
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answered Oct ...
Creating an array of objects in Java
...e this:
a1 = new A();
Similarly, with the array you need to do this:
a[0] = new A();
...before using it.
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Javascript Drag and drop for touch devices [closed]
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260
You can use the Jquery UI for drag and drop with an additional library that translates mouse eve...
How to loop over directories in Linux?
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cd /tmp
find . -maxdepth 1 -mindepth 1 -type d -printf '%f\n'
A short explanation:
find fin...
Fastest method of screen capturing on Windows
... get the render target surface.
HRESULT hr = Device->GetRenderTarget(0, &pRenderTarget);
// get the current adapter display mode.
//hr = pDirect3D->GetAdapterDisplayMode(D3DADAPTER_DEFAULT,&d3ddisplaymode);
// create a destination surface.
hr = Device->CreateOffscree...
How to resize an Image C#
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508
This will perform a high quality resize:
/// <summary>
/// Resize the image to the speci...
I need a Nodejs scheduler that allows for tasks at different intervals [closed]
...'* * * * * *' - runs every second
'*/5 * * * * *' - runs every 5 seconds
'10,20,30 * * * * *' - run at 10th, 20th and 30th second of every minute
'0 * * * * *' - runs every minute
'0 0 * * * *' - runs every hour (at 0 minutes and 0 seconds)
But also more complex schedules e.g.
'00 30 11 * * 1-5' ...
CSS: Setting width/height as Percentage minus pixels
...re writing for CSS3-compliant browsers, you can use calc:
height: calc(100% - 18px);
It's worth it to note that not all browsers currently support the standard CSS3 calc() function, so implementing the browser specific versions of the function may be required like the following:
/* Firefox */
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How does MySQL process ORDER BY and LIMIT in a query?
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It will order first, then get the first 20. A database will also process anything in the WHERE clause before ORDER BY.
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