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?: operator (the 'Elvis operator') in PHP
...the variable in the parenthesis exists though, or you're going to raise an error. PHP will not just assume it having a value of null or anything. Just sayin'
– DanMan
Aug 13 '15 at 11:10
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Using an SSH keyfile with Fabric
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Very useful! If you run into errors like IOError: [Errno 2] No such file or directory: ' /path/to/.ssh/key' or Login password for ' root': just make sure you have no whitespaces in your .ssh/config. It's for example User=root instead of User = root...
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Why do some claim that Java's implementation of generics is bad?
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Sorry, why is the last line a compile error? I'm messing around with it in Eclipse & can't get it to fail there - if I add enough stuff for the rest of it to compile.
– oconnor0
Feb 4 '10 at 21:44
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How do I make JavaScript beep?
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I get TypeError: sound.Play is not a function (in Firefox).
– ashleedawg
Feb 18 '19 at 12:51
3
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Running a Python script from PHP
...string.
It returns the output from the executed command or NULL if an error
occurred or the command produces no output.
<?php
$command = escapeshellcmd('/usr/custom/test.py');
$output = shell_exec($command);
echo $output;
?>
In Python file test.py, verify this text in first line:...
Why am I getting an Exception with the message “Invalid setup on a non-virtual (overridable in VB) m
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Note that this error may actually occur with extension methods on interfaces, which may be confusing.
– Dan Pantry
Jul 18 '17 at 11:24
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Check if SQL Connection is Open or Closed
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@user613326 actually, it wouldn't. There is no error handling in the example code, so any problems while connecting will simply throw and leave you to handle the exception. The returned value is therefore correct.
– Tom Lint
Aug 6 at...
What is a race condition?
... What does the other thread do when it encounters the lock? Does it wait? Error?
– Brian Ortiz
Oct 19 '09 at 1:58
182
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How to make git mark a deleted and a new file as a file move?
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$ mv README.md Rmd # Still? Try the answer I found.
$ git checkout README
error: pathspec 'README' did not match any file(s) known to git.
$ git checkout HEAD README # Ok the answer needed fixing.
$ git status
On branch workit
Changes to be committed:
(use "git reset HEAD <file>..." to unst...
jquery save json data object in cookie
...era since ancient times my.opera.com/community/forums/… I also have this error. Even though if @cookie@ plugin use @encodeURIComponent@, pbug shouldn't appear.
– kirilloid
Jan 22 '13 at 10:33
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