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Anatomy of a “Memory Leak”
...hapter 7 of the e-book. Also, be mindful of common pitfalls, probably the most common being events. If object A is registered to an event on object B, then object A will stick around until object B disappears because B holds a reference to A. The solution is to unregister your events when you're don...
Flexbox: center horizontally and vertically
...effect, otherwise, the container computes the minimum height needed to enclose the content, which is less than the view port height in this example.
Footnote:
The flex-flow, flex-direction, flex-wrap properties could have made this design easier to implement. I think that the .row container is not ...
Difference between android.app.Fragment and android.support.v4.app.Fragment
...ices running API 11 or above, you can use android.app.Fragment.
Edit: the OS-contained android.app.Fragment is now deprecated (as of API level 28), and everyone should move to using the support library implementations.
shar...
What is the difference between a directory and a folder?
Most people use the terms "folder" and "directory" interchangeably. From a programmer point of view, is there a difference, and if so, what is it? Does it depend on the OS, or is there a broad, general consensus? This at least suggests that there is a difference.
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Can existing virtualenv be upgraded gracefully?
...wanted to keep it in 2.5 unless I absolutely needed to do 2.6. That need arose, so I was curious if you could upgrade an isolated environment to see the effects on your code, without having to rebuild and copy/paste directories to the new env.
– Matt Norris
Feb...
How to start nginx via different port(other than 80)
...ce nginx start
You may now access your application on port 81 (for localhost, http://localhost:81).
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How can I change Eclipse theme?
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eclipse-color-theme doesn't work for me. I use MacOS Mountain Lion. It's adds nothing to Appearance themes.
– JavaRunner
Feb 23 '13 at 6:49
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What does && mean in void *p = &&abc;
I came across a piece of code void *p = &&abc; . What is the significance of && here?
I know about rvalue references but I think && used in this context is different. What does && indicate in void *p = &&abc; ?
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Favourite performance tuning tricks [closed]
...s give to someone asking me about optimisation.
We mainly use Sybase, but most of the advice will apply across the board.
SQL Server, for example, comes with a host of performance monitoring / tuning bits, but if you don't have anything like that (and maybe even if you do) then I would consider t...
Do browsers send “\r\n” or “\n” or does it depend on the browser?
... all sorts of line terminators. (Note that in addition to CRLF and LF, Mac OS-9 used CR alone, and there are still a few of those around. The Unicode standard (section 5.8) specifies a wide range of character sequences that should be recognized as line terminators; there's a list of them here.)
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