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How do I concatenate two text files in PowerShell?
...nfinite loop! (I just tested this.)
Note 3: Outputting to a file with > does not preserve character encoding! This is why using Set-Content is recommended.
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git switch branch without discarding local changes
...ort for save / push:
$ git stash
This commits your code (yes, it really does make some commits) using
a weird non-branch-y method. The commits it makes are not "on" any
branch but are now safely stored in the repository, so you can now
switch branches, then "apply" the stash:
$ git checkout dev...
What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...an only store 256 colours, like GIFs.
Good for: The main thing that PNG-8 does better than GIFs is having support for Alpha Transparency.
PNG-24 - Lossless / Direct
PNG-24 is a great format that combines Lossless encoding with Direct color (thousands of colours, just like JPEG). It's very muc...
Python's many ways of string formatting — are the older ones (going to be) deprecated?
... maintained by leaving the existing
mechanisms in place. The new system does not collide with any of
the method names of the existing string formatting techniques, so
both systems can co-exist until it comes time to deprecate the
older system.
Note the until it comes time to deprecate the...
Case-insensitive search
... toLowerCase will most likely fail the Turkey Test (moserware.com/2008/02/does-your-code-pass-turkey-test.html) and similar case conversion issues. I'm not sure how ReGex handles it, but if I had to guess I'd say better.
– Ohad Schneider
Jul 11 '16 at 11:37
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How do I center text horizontally and vertically in a TextView?
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This doesn't work when used with a RelativeLayout where the layout's height & width are set to wrap_content
– Rob
Aug 17 '11 at 19:00
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“f” after number
What does the f after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number?
...
Hide Utility Class Constructor : Utility classes should not have a public or default constructor
...to actually consider the violation solved. Just adding private constructor doesn't clear the violation.
– Cebence
Apr 23 '13 at 11:19
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How to install a specific JDK on Mac OS X?
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The explanation is that JDK is a bit specific and does not contain the library tools.jar. For my development, I need this library and Mac's JDK doesn't provide it:
(Cf. http://developer.apple.com/mac/library/documentation/Java/Conceptual/Java14Development/02-JavaDevTools/Ja...
How to check if a line is blank using regex
...s:
/((\r\n|\n|\r)$)|(^(\r\n|\n|\r))|^\s*$/gm
The accepted answer: ^\s*$ does not match a scenario when the last line is blank (in multiline mode).
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