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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=
Error message on MySql:
7 Answers
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git replacing LF with CRLF
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I get an error "fatal: not in a git directory". I tried to cd to C:\Program Files\Git and C:\Program Files\Git\bin
– pixelwiz
Aug 11 '17 at 19:54
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Can't find the 'libpq-fe.h header when trying to install pg gem
...SQL, but the problem is installing the pg gem. It gives me the following error:
41 Answers
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How do I see the extensions loaded by PHP?
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– Agnius Vasiliauskas
Nov 7 '18 at 8:05
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Maven Install on Mac OS X
...n you just install Maven using:
brew install maven
PS: If you got a 404 error, try doing a brew update just before
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All combinations of a list of lists
I'm basically looking for a python version of Combination of List<List<int>>
7 Answers
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What text editor is available in Heroku bash shell? [closed]
... the git repo .... over HTTPS without a commit hash - possible certificate error?'
– Tim Malone
Jun 27 '17 at 6:28
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Reverse a string in Python
... for readability and reusability, put the slice in a function
def reversed_string(a_string):
return a_string[::-1]
and then:
>>> reversed_string('a_string')
'gnirts_a'
Longer explanation
If you're interested in the academic exposition, please keep reading.
There is no built-i...
Setting PayPal return URL and making it auto return?
...ch, CURLOPT_TIMEOUT, 30);
$curl_result = @curl_exec($ch);
$curl_err = curl_error($ch);
curl_close($ch);
$req = str_replace("&", "\n", $req); // Make it a nice list in case we want to email it to ourselves for reporting
// Check that the result verifies
if (strpos($curl_result, "VERIFIED") !== ...
What does `kill -0 $pid` in a shell script do?
...pages:
kill(1)
$ man 1 kill
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If sig is 0, then no signal is sent, but error checking is still performed.
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kill(2)
$ man 2 kill
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If sig is 0, then no signal is sent, but error checking is still performed; this
can be used to check for the existence of a process ID or process group ID.
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