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String comparison in Python: is vs. == [duplicate]
...whereas 'a'*50 is 'a'*50 (returns False)
– Emre Sevinç
Aug 14 '15 at 7:27
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How to test an Internet connection with bash?
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Ping your default gateway:
#!/bin/bash
ping -q -w 1 -c 1 `ip r | grep default | cut -d ' ' -f 3` > /dev/null && echo ok || echo error
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Close and Dispose - which to call?
...ing that explicitly utilizes Open(), AFAIK.
– René Kåbis
Oct 1 '16 at 18:05
I'm not sure about other DBMS, but you c...
How can I start an interactive console for Perl?
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I wrote a script I call "psh":
#! /usr/bin/perl
while (<>) {
chomp;
my $result = eval;
print "$_ = $result\n";
}
Whatever you type in, it evaluates in Perl:
> gmtime(2**30)
gmtime(2**30) = Sat Jan 10 13:37:04 2004
>...
Adjusting the Xcode iPhone simulator scale and size [duplicate]
... edited Sep 4 at 21:31
Jean-François Fabre♦
122k1111 gold badges9797 silver badges156156 bronze badges
answered Sep 4 '13 at 6:37
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Kill process by name?
...d answer already describes this solution.
– Jean-François Fabre♦
Dec 2 '19 at 15:03
add a ...
Convert line-endings for whole directory tree (Git)
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Piping find to xargs will fail if find matches any files with whitespace, quotes, or other shell meta characters in their path. At the least use find blog -type f -print0 | xargs -0 dos2unix to handle the case of whitespace. Y...
Force unmount of NFS-mounted directory [closed]
...ing (including lsof). I caused the problem by breaking out of a backup script that I'm writing. The script mounts and unmounts the directory, but something about breaking out of rsync messed up my mount. I didn't know about the lazy unmount. It may have been the NAS device causing all the troubl...
How to get current page URL in MVC 3
...ilding. It has some FBXML tags that are interpreted by the facebook javascript that is referenced on the page.
9 Answers
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Why can't a text column have a default value in MySQL?
...w addition from a MySQL developer at MySQL Bugs:
[17 Mar 2017 15:11] Ståle Deraas
Posted by developer:
This is indeed a valid feature request, and at first glance it might seem trivial to add. But TEXT/BLOBS values are not stored directly in the record buffer used for reading/updating...