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FFmpeg: How to split video efficiently?
...loop" from this site.)
set var=0
@echo off
:start
set lz=
if %var% EQU 50 goto end
if %var% LEQ 9 set lz=0
echo part %lz%%var%
ffmpeg -ss 00:%lz%%var%:00 -t 00:01:00 -i %1 -acodec copy -vcodec copy %2_%lz%%var%.mp4
set /a var+=1
goto start
:end
echo var has reached %var%.
exit
...
How can I change Eclipse theme?
...
To just get everything done goto
Window>Preferences>General and goto theme menu and change it...
Then re-start to apply...
share
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What is monkey patching?
...er than implicit so make sure that your code is context-insensitive, read "Goto considered harmful", etc...
– aoeu256
Sep 9 '19 at 16:35
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Is there a performance difference between a for loop and a for-each loop?
... 21: iconst_1
22: ireturn
23: iinc 2, 1
26: goto 5
29: iconst_0
30: ireturn
With for-each:
private static boolean contains(org.apache.logging.log4j.Marker, org.apache.logging.log4j.Marker...);
Code:
0: aload_1
1: astore_2
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Why should a function have only one exit-point? [closed]
...rmance critical bit of code this is usually a much cleaner solution than a goto IMO. It also allows several methods to share similar cleanup code too.
– Jason Williams
Oct 7 '15 at 15:48
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SSH to Elastic Beanstalk instance
...
I have been playing with this as well.
goto your elastic beanstalk service tab
on your application overview goto action --> edit configuration
add the name of a key as it appears in your EC2 tab (for the same region) to the existing keypair box and hit apply ch...
break out of if and foreach
...e than you would have wanted). I know everyone suggests against the use of GOTO, but I think that, for all those cases when you can't really do better than using a break, a goto can be a better option. Of course, for forward jumping (not too far either) only and without abuse! ;-)
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Switch statement: must default be the last case?
...ther, it is perfectly valid.
A case and default label are equivalent to a goto label. See 6.8.1 Labeled statements. Especially interesting is 6.8.1.4, which enables the already mentioned Duff's Device:
Any statement may be preceded by a
prefix that declares an identifier as
a label name. La...
Is “IF” expensive?
...uted is not the next location after the current instruction. Branches are gotos - they tell the processor where the next instruction is. Branches can either be conditional or unconditional, and the target location can be either fixed or computed.
Conditional vs. unconditional is easy to understan...
How do you avoid over-populating the PATH Environment Variable in Windows?
...hing that follows.
set actualfile=%0
set args=%1
:beginloop
if "%1" == "" goto endloop
shift
set args=%args% %1
goto beginloop
:endloop
%actualdir%\%actualfile% %args%
As a general rule, you should be careful about running batch files from the internet, since you can do all sorts of things with b...