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How does MongoDB sort records when no sort order is specified?
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StennieStennie
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How can I extract a good quality JPEG image from a video file with ffmpeg?
...ale:v (or the alias -q:v) as an output option.
Normal range for JPEG is 2-31 with 31 being the worst quality.
The scale is linear with double the qscale being roughly half the bitrate.
Recommend trying values of 2-5.
You can use a value of 1 but you must add the -qmin 1 output option (because the d...
Extract substring using regexp in plain bash
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edited Dec 26 '17 at 23:17
Yangshun Tay
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What do linkers do?
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edited Feb 12 '16 at 15:53
answered Jul 23 '10 at 23:04
Ic...
The import org.junit cannot be resolved
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Yes/No message box using QMessageBox
...on Qt 4 and 5, requires QT += widgets on Qt 5, and CONFIG += console on Win32 to see qDebug() output.
See the StandardButton enum to get a list of buttons you can use; the function returns the button that was clicked. You can set a default button with an extra argument (Qt "chooses a suitable defau...
Setting up FTP on Amazon Cloud Server [closed]
... your IP address might change if it is being assigned via DHCP.
Step #3: Make updates to the vsftpd.conf file
Edit your vsftpd conf file by typing:
> sudo vi /etc/vsftpd/vsftpd.conf
Disable anonymous FTP by changing this line:
anonymous_enable=YES
to
anonymous_enable=NO
Then add t...
LINQ - Left Join, Group By, and Count
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Mehrdad AfshariMehrdad Afshari
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Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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