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Is there a method to generate a UUID with go language
...?
These lines clamp the values of byte 6 and 8 to a specific range. rand.Read returns random bytes in the range 0-255, which are not all valid values for a UUID. As far as I can tell, this should be done for all the values in the slice though.
If you are on linux, you can alternatively call /usr/...
how to use sed, awk, or gawk to print only what is matched?
...if /.*abc([0-9]+)xyz.*/'
This runs Perl, the -n option instructs Perl to read in one line at a time from STDIN and execute the code. The -e option specifies the instruction to run.
The instruction runs a regexp on the line read, and if it matches prints out the contents of the first set of bracks...
Recursive directory listing in DOS
... files, then this command will scroll them by on the screen too quickly to read. I think it is best to pipe the output of this command to a txt file you can read at your own speed. For example (assuming c:\temp directory is created): dir C:\ /s > C:\temp\CDirectoryListing.txt
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Backup/Restore a dockerized PostgreSQL database
... postgres container. Thus, when the postgres server starts, the data are already there.
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Meaning of 'const' last in a function declaration of a class?
... @JaredPar does this mean that any member function representing a read-only operation should be marked as const?
– kovac
Mar 17 '19 at 9:03
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jQuery's jquery-1.10.2.min.map is triggering a 404 (Not Found)
...make it appear as though you're running unminified and uncombined files.
(Read more on this here)
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Nested Models in Backbone.js, how to approach
... method.
This should ensure the structure of the nested model when you're reading from the server. Now, you would notice that saving or setting is actually not handled here because I feel that it makes sense for you to set the nested model explicitly using the proper model.
Like so:
image.set({la...
How can I selectively escape percent (%) in Python strings?
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Just noticed that If the string is a json string, being read from a file you don't even need to escape the % sign. Just % will do
– wander95
Dec 19 '17 at 16:24
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How to redirect the output of the time command to a file in Linux?
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If you want to use time with something like grep that reads off of stdout try { time sleep 1; } 2>&1 | grep real. This sends stderr to stdout which grep can then read.
– clayzermk1
Jul 31 '14 at 20:16
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What is /dev/null 2>&1?
...ard output (1), which then discards it as well since standard output has already been redirected.
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