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How to use double or single brackets, parentheses, curly braces
...hey enable you to omit the dollar signs on integer and array variables and include spaces around operators for readability.
Single brackets are also used for array indices:
array[4]="hello"
element=${array[index]}
Curly brace are required for (most/all?) array references on the right hand side....
How to add a new audio (not mixing) into a video using ffmpeg?
...dio.ac3 -map 0 -map 1 -codec copy output_video.avi
-map 0 means to copy (include) all streams from the first input file (input_video_with_audio.avi) and -map 1 means to include all streams (in this case one) from the second input file (new_audio.ac3).
...
Difference between PCDATA and CDATA in DTD
...element may contain plain text. The "parsed" part of it means that markup (including PIs, comments and SGML directives) in it is parsed instead of displayed as raw text. It also means that entity references are replaced.
Another type of content model allowing plain text contents is CDATA. In XML, t...
Can I split an already split hunk with git?
...istributor + label {
Perfect - you can see that only the deletions were included in that atomic commit. Now let's finish the job and commit the rest.
git add .
git commit -m "change selectors"
git show
commit 83ec3c16b73bca799e4ed525148cf303e0bd39f9
Author: Jeff Puckett <jeff@jeffpuckett.c...
Properties file in python (similar to Java Properties)
...r fails if it doesn't find any section header. Moreover, ini files may not include sections so this configParser doesn't seem reliable at all
– BiAiB
Jul 17 at 9:27
add a comm...
Which icon sizes should my Windows application's icon include?
... standard sizes are 16x16, 32x32, 48x48, 256x256 (XP standard sizes do not include the 256x256 icon). In addition to those sizes, I also have 96x96 and 128x128 (and could create more).
...
Correct owner/group/permissions for Apache 2 site files/folders under Mac OS X?
...body other than owner can access content)
chmod go+x DIR (to allow "users" including _www to "enter" the dir)
sudo chgrp -R _www ~/my/web/root (all web content is now group _www)
chmod -R go-rwx ~/my/web/root (nobody other than owner can access web content)
chmod -R g+rx ~/my/web/root (all web cont...
Anaconda vs. EPD Enthought vs. manual installation of Python [closed]
...
Update 2015: Nowadays I always recommend Anaconda. It includes lots of Python packages for scientific computing, data science, web development, etc. It also provides a superior environment tool, conda, which allows to easily switch between environments, even between Python 2 and...
Difference between @import and link in CSS
..., the only difference between them is that @import is the CSS mechanism to include a style sheet and <link> the HTML mechanism. However, browsers handle them differently, giving <link> a clear advantage in terms of performance.
Steve Souders wrote an extensive blog post comparing the im...
Make XAMPP/Apache serve file outside of htdocs [closed]
...
You have to use forward slashes "/" instead of back slashes "\".
Don't include the trailing "/" at the end.
restart your server.
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