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How does one remove an image in Docker?
I'm running Docker under Vagrant under OS X 10.8.4 (Mountain Lion), and whenever I try to delete a saved image, I get an error:
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How do i find out what all symbols are exported from a shared object?
... Very helpful, good to have such overview. nm also works on MacOSX, except the -D option. Or brew install binutils and use the GNU version via gnm. For GNU nm, --demangle is also useful. Also gobjdump.
– Albert
Dec 24 '14 at 12:43
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Rails server says port already used, how to kill that process?
... Just to clarify for novices: in the second line of code, you are supposed to replace the PID with the actual number that is shown in your console upon entering the first line of code (eg, 12345).
– CodeBiker
Aug 7 '13 at 18:48
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Finding the Eclipse Version Number
I have posted how to find it in Eclipse Gallileo, but if anyone has information on older versions feel free to post it below.
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django import error - No module named core.management
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But without sudo you get: OSError: [Errno 13] Permission denied: '/opt/local/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/site-packages/django'
– malhal
Oct 17 '16 at 22:33
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How can I quickly sum all numbers in a file?
...MO=Deparse -nle '$sum += $_ } END { print $sum'
The result is a more verbose version of the program, in a form that no one would ever write on their own:
BEGIN { $/ = "\n"; $\ = "\n"; }
LINE: while (defined($_ = <ARGV>)) {
chomp $_;
$sum += $_;
}
sub END {
print $sum;
}
-e synta...
Import Error: No module named numpy
...es it not install the proper version of numpy??
– almost a beginner
Sep 27 '16 at 10:28
23
After ...
Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)
...he map around. You have to move the PopupWindow somehow yourself which is possible (by listening to some onTouch events) but IMHO you can't make it look good enough, especially on some slow devices. If you do it the simple way it "jumps" around from one spot to another. You could also use some anima...
importing pyspark in python shell
...ere, as I have the same issue. (See http://geekple.com/blogs/feeds/Xgzu7/posts/351703064084736)
19 Answers
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List of tables, db schema, dump etc using the Python sqlite3 API
... @jbuddy_13 sqlite> is the sqlite command line client prompt. The purpose of the example was to demonstrate how one could query the database to list tables and schema.
– converter42
May 25 at 16:11
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