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How can I validate a string to only allow alphanumeric characters in it?
...know that I will never remember the syntax. Even if I study it, there will come a time soon when it's all forgotten again.
– Sentinel
Jan 14 '15 at 17:26
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How to perform Callbacks in Objective-C
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stackoverflow.com/questions/652186/…
– ptomli
Oct 12 '10 at 14:36
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How do I change the background color of a plot made with ggplot2
...the newer versions of ggplot2. (0.9.3). So the newer version of the second command would become: myplot + theme(plot.background = element_rect(fill='green', colour='red'))
– Ram Narasimhan
Dec 21 '12 at 19:23
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When to use window.opener / window.parent / window.top
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Aspect Oriented Programming vs. Object-Oriented Programming
...ng (AOP) addresses many of the problems that traditional OOP doesn't solve completely or directly, I pause and think, is it real?
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ADB No Devices Found
...ettings dialogue on the device.
Settings > Storage > Menu > USB Computer connection to "Camera (PTP)"
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What is the usefulness of `enable_shared_from_this`?
...gling reference when the object is deleted.
enable_shared_from_this has become part of C++ 11 standard. You can also get it from there as well as from boost.
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...e code that you're currently running (this idea is supported by Fernando's comment here), which is the same thing that hitting CTRL+C would do. Some processes within python handle SIGINTs more abruptly than others.
If you desperately need to stop something that is running in iPython Notebook and y...
Compiling dynamic HTML strings from database
... HTML. It doesn't bind Angular scope to the resulted DOM. You have to use $compile service for that purpose. I created this plunker to demonstrate how to use $compile to create a directive rendering dynamic HTML entered by users and binding to the controller's scope. The source is posted below.
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Using .gitignore to ignore everything but specific directories
...bunch of WordPress websites in my git repo, of which I want to selectively commit only the content of my themes folders, while ignoring the rest of the redundant files found in WordPress.
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