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Usage of forceLayout(), requestLayout() and invalidate()
I'm a bit confused about the roles of forceLayout() , requestLayout() and invalidate() methods of the View class.
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How to preventDefault on anchor tags?
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This is fine if you don't care about accessibility on your site. By leaving off the href, its not possible to use your keyboard to tab onto that item. Unless you added a tabindex. With all that in mind, why not just use preventDefault...? That's what its the...
Change string color with NSAttributedString?
...uld have been "How to set the label's color based on its value". I pointed out that the solution does not require NSAttributedString and showed a much simpler answer. And the OP agreed by accepting my much simpler answer. If the OP really wanted NSAttributedString, they wouldn't have accepted my ans...
Get operating system info
I recently started wondering about sites like http://thismachine.info/ that get the user's operating system info. I have not been able to find out how to do that with PHP, and wanted to try to figure it out.
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What's the difference between Git Revert, Checkout and Reset?
...ior state, and don't understand the difference between git revert , checkout , and reset . Why are there 3 different commands for seemingly the same purpose, and when should someone choose one over the other?
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EF Code First “Invalid column name 'Discriminator'” but no inheritance
...ent). It has a primary key, a couple of foreign keys and nothing special about it. I have many tables in my database similar to that one, but for some reason, this table ended up with a "Discriminator" column on the EF Proxy Class.
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What are the differences between NP, NP-Complete and NP-Hard?
...olor it red and all of its neighbours blue and continue. Stop when you run out of vertices or you are forced to make an edge have both of its endpoints be the same color.
NP
NP is a complexity class that represents the set of all decision problems for which the instances where the answer is "yes...
How do you stash an untracked file?
...tash --include-untracked or git stash save -u to stash untracked files without staging them.
Add (git add) the file and start tracking it. Then stash. Since the entire contents of the file are new, they will be stashed, and you can manipulate it as necessary.
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How to migrate/convert from SVN to Mercurial (hg) on windows
...Convert Extension w/ Tortoise Hg 2>
Many thanks to bgever for pointing out in the comments that with TortoiseHg 2.0, enabling the convert extension is easier than ever. As he says
With TortoiseHG 2.0 this has been made
much simpler: Start the TortoiseHG
Workbench from the Start menu. Se...
A clean, lightweight alternative to Python's twisted? [closed]
...ble concurrent requests to occur at the same time. That was in my Python youth, in the days before I knew about the GIL and the associated woes it creates for multithreaded code (IE, most of the time stuff just ends up serialized!)...
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