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quick random row selection in Postgres
... make It sense to use a N less than SELECT COUNT(*)?, I mean, not use all the values in the table but only a part of them?
– Juan
Mar 14 '11 at 11:00
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Best way to get identity of inserted row?
...last identity value generated for any table in the current session, across all scopes. You need to be careful here, since it's across scopes. You could get a value from a trigger, instead of your current statement.
SCOPE_IDENTITY() returns the last identity value generated for any table in the cur...
How to try convert a string to a Guid [duplicate]
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Specifically, a GUIDConverter, which is built in. msdn.microsoft.com/en-us/library/…
– Joseph Ferris
Dec 8 '08 at 19:11
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Use Font Awesome Icons in CSS
...classes to place a text character where you want it, without having to add all kinds of messy extra mark-up.
Be sure to set position:relative on your actual text wrapper for the positioning to work.
.mytextwithicon {
position:relative;
}
.mytextwithicon:before {
content: "\25AE"; /* t...
What is a wrapper class?
...an manage the process of invoking the COM component without bothering the calling code with it. They can also simplify the use of the underlying object by reducing the number interface points involved; frequently, this makes for more secure use of underlying components.
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How To Auto-Format / Indent XML/HTML in Notepad++
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Since I upgraded to 6.3.2, I use XML Tools.
install XML Tools via the Plugin Admin (Plugins → Plugins Admin... Then search for "XML Tools", check its box and click the "Install" button).
use the shortcut Ctrl+Alt+Shift+B (or
menu → Plugins → XML Tools → Pretty Prin...
Take screenshots in the iOS simulator
... a screen shot. Or
Using Mac Keyboad: Press keys ⌥ Option + ⌘ + s all together.
It will show to a dialog with file storage options and also allows to set/change default path.
Tip 3: How to take a screen shot with Device Bezel?
Enable Show Device Bezel from Window menu.
Here is an op...
Evil Mode best practice? [closed]
...ided that it meets my demand for speedy movement well enough that I can finally move on to Emacs.
7 Answers
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CSS background opacity with rgba not working in IE 8
...tydot), and which matches the transparency of your background.
EDIT : to fall back for IE6+ support, you can specify bkgd chunk for the png, this is a color which will replace the true alpha transparency if it is not supported. You can fix it with gimp eg.
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“Cloning” row or column vectors
...he result contain a single distinct element each.
– BallpointBen
Apr 13 '18 at 21:11
This should be the accepted answe...