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Fastest way to extract frames using ffmpeg?
...actly which frames to extract, eg 1, 200, 400, 600, 800, 1000, try using:
select='eq(n\,1)+eq(n\,200)+eq(n\,400)+eq(n\,600)+eq(n\,800)+eq(n\,1000)' \
-vsync vfr -q:v 2
I'm using this with a pipe to Imagemagick's montage to get 10 frames preview from any videos. Obviously the frame numbers ...
Input placeholders for Internet Explorer
...n(){
if (input.val() === text) input.css({ color:'lightGrey' }).selectRange(0,0).one('keydown', function(){
input.val("").css({ color:'black' });
});
});
input.blur(function(){
if (input.val() == "" || input.val() === text) input.val(text)...
How to set breakpoints in inline Javascript in Google Chrome?
...e directory tree underneath it (with the up and down arrow in it), you can select the file you want to debug. You can get out of an error by pressing resume on the right-hand side of the same tab.
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ZSH iterm2 increase number of lines history
...2 documentation on how to change it.
open the iTerm2 preferences ⌘ + ,
select the Profiles tab
then select the Terminal subtab
Beware, changes to the Scrollback lines value take effect immediately so check Unlimited scrollback now if you don't want to delete your current buffer(s)
change the val...
Tar a directory, but don't store full absolute paths in the archive
...
how about if you also want to select the files to backup based on a wildcard? -C /var/www/site1 *.dat doesn't work :(
– Andy Lorenz
Nov 5 '14 at 10:30
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How can I turn a List of Lists into a List in Java 8?
... .collect(Collectors.toList())
This is would be similar in SQL to having SELECT statements within SELECT statements.
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How can I retrieve Id of inserted entity using Entity framework? [closed]
... // Yes it's here
}
Entity framework by default follows each INSERT with SELECT SCOPE_IDENTITY() when auto-generated Ids are used.
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IntelliJ 13 - Add Navigate Back/Forward to toolbar?
...
For some reason the toolbar is not visible by default.
In the View menu, select Toolbar. That should fix it.
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Group by multiple columns in dplyr, using string vector input
...cumentation here). This lets you use the same functions you would use with select, like so:
data = data.frame(
asihckhdoydkhxiydfgfTgdsx = sample(LETTERS[1:3], 100, replace=TRUE),
a30mvxigxkghc5cdsvxvyv0ja = sample(LETTERS[1:3], 100, replace=TRUE),
value = rnorm(100)
)
# get the column...
Changing the case of a string in Eclipse
How do I make a lowercase string uppercase using Eclipse? I want to select a string and either uppercase it or lowercase it. Is there a shortcut for doing this?
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