大约有 47,000 项符合查询结果（耗时：0.0641秒） [XML]
Batch files - number of command line arguments
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105
Googling a bit gives you the following result from wikibooks:
set argC=0
for %%x in (%*) do Se...
Creating temporary files in bash
...voke mktemp something like
mydir=$(mktemp -d "${TMPDIR:-/tmp/}$(basename $0).XXXXXXXXXXXX")
which creates a temporary directory I can work in, and in which I can safely name the actual files something readable and useful.
mktemp is not standard, but it does exist on many platforms. The "X"s will...
ORA-01882: timezone region not found
... database. Just today I had this issue when using ojdbc6.jar (version 11.2.0.3.0) to connect to an Oracle 9.2.0.4.0 server. Replacing it with ojdbc6.jar version 11.1.0.7.0 solved the issue.
I also managed to make ojdbc6.jar version 11.2.0.3.0 connect without error, by adding oracle.jdbc.timezoneAsR...
Bash command to sum a column of numbers [duplicate]
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10 Answers
10
Active
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Bootstrap 3 Slide in Menu / Navbar on Mobile [closed]
...page-content so it doesn't shift around*/
.no-margin-top {
margin-top: 0px!important
}
/*wrap the entire page content but not nav inside this div if not a fixed top, don't add any top padding */
#page-content {
position: relative;
padding-top: 70px;
left: 0;
}
#page-content.slide-act...
Xcode doesn't show the line that causes a crash
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301
You should also ensure that you have breakpoints set for all exceptions. This will cause Xcode...
get all keys set in memcached
...l google group discussion here)
First, Telnet to your server:
telnet 127.0.0.1 11211
Next, list the items to get the slab ids:
stats items
STAT items:3:number 1
STAT items:3:age 498
STAT items:22:number 1
STAT items:22:age 498
END
The first number after ‘items’ is the slab id. Request a ...
How do I tell Matplotlib to create a second (new) plot, then later plot on the old one?
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edited Jun 10 '18 at 18:54
answered Aug 4 '11 at 1:40
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How can I extract a good quality JPEG image from a video file with ffmpeg?
...2).
To output a series of images:
ffmpeg -i input.mp4 -qscale:v 2 output_%03d.jpg
See the image muxer documentation for more options involving image outputs.
To output a single image at ~60 seconds duration:
ffmpeg -ss 60 -i input.mp4 -qscale:v 4 -frames:v 1 output.jpg
This will work with any vid...
XML schema or DTD for logback.xml?
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edited Jul 4 '17 at 10:25
answered Dec 24 '12 at 20:37
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