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Is there a way to check if WPF is currently executing in design mode or not?
... 'this' is your UI element
DesignerProperties.GetIsInDesignMode(this);
Edit: When using Silverlight / WP7, you should use IsInDesignTool since GetIsInDesignMode can sometimes return false while in Visual Studio:
DesignerProperties.IsInDesignTool
Edit: And finally, in the interest of completenes...
Test PHP headers with PHPUnit
I'm trying to use PHPunit to test a class that outputs some custom headers.
7 Answers
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HTML5 textarea placeholder not appearing
I cannot figure out what is wrong with my markup, but the placeholder for the text area will not appear. It seems as though it may be covered up with some blank spaces and tabs. When you focus on the text area and delete from where the cursor puts itself, then leave the text area, the proper placeho...
Impossible to Install PG gem on my mac with Mavericks
I'm trying to install the pg gem in order to work again with my rails projects. But I get this error:
26 Answers
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What is the email subject length limit?
... had a scan of The RFC for email but could not see specifically how long it was allowed to be.
I have a colleague that wants to programmatically validate for it.
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What are carriage return, linefeed, and form feed?
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Carriage return means to return to the beginning of the current line without advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as \r, abbreviated CR, and has ASCII value 13 or 0x0D.
Linefeed means to advance...
Vagrant ssh authentication failure
The problem with ssh authentication:
29 Answers
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How to enable curl, installed Ubuntu LAMP stack?
I have installed ubuntu Lamp stack. But the curl is not enabled, neither can I can find the extension listed in the INI file. I added manually but it didn't work either.
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Can you delete multiple branches in one command with Git?
I'd like to clean up my local repository, which has a ton of old branches: for example 3.2 , 3.2.1 , 3.2.2 , etc.
29 Ans...
Difference between and
...ence between HTML <input type='button' /> and <input type='submit' /> ?
8 Answers
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