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How to concatenate two MP4 files using FFmpeg?
...peg -i opening.mkv -i episode.mkv -i ending.mkv \
-filter_complex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a]
concat=n=3:v=1:a=1 [v] [a]" \
-map "[v]" -map "[a]" output.mkv
Note that this method performs a re-encode.
2. concat demuxer
Use this method when you want...
Insert a line break in mailto body
I would like to insert a line break into my mailto body.
I tried %0A, %0D and %0D%0A. Nothing worked for me.
I tested on Gmail, Yahoo, Apple Mail, Outlook 2010, Outlook.com and Thunderbird with Google Chrome on Mac OSX.
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In which order should floats be added to get the most precise result?
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107
Your instinct is basically right, sorting in ascending order (of magnitude) usually improves th...
Java String split removed empty values
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506
split(delimiter) by default removes trailing empty strings from result array. To turn this mech...
More elegant “ps aux | grep -v grep”
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edited Nov 8 '17 at 0:53
answered Feb 21 '12 at 10:31
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generate days from date range
...ps, procedures, or temp tables. The subquery generates dates for the last 10,000 days, and could be extended to go as far back or forward as you wish.
select a.Date
from (
select curdate() - INTERVAL (a.a + (10 * b.a) + (100 * c.a) + (1000 * d.a) ) DAY as Date
from (select 0 as a union all...
Override ActiveRecord attribute methods
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answered Dec 18 '08 at 22:35
Aaron LongwellAaron Longwell
7,80355 gold badges1818 silver badges1010 bronze badges
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How to connect an existing SQL Server login to an existing SQL Server database user of same name
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The new way (SQL 2008 onwards) is to use ALTER USER
ALTER USER OrphanUser WITH LOGIN = correctedLoginName;
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Can't su to user jenkins after installing Jenkins
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edited Mar 20 '17 at 10:18
Community♦
111 silver badge
answered Aug 6 '13 at 13:03
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Argparse: Way to include default values in '--help'?
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answered Aug 28 '12 at 0:27
Martijn Pieters♦Martijn Pieters
839k212212 gold badges32183218 silver badges28092809 bronze badges
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