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How to convert string to boolean php
...he documentation for empty):
"" (an empty string);
"0" (0 as a string)
If you need to set a boolean based on the text value of a string, then you'll need to check for the presence or otherwise of that value.
$test_mode_mail = $string === 'true'? true: false;
EDIT: the above code is intended ...
Algorithm for creating a school timetable
I've been wondering if there are known solutions for algorithm of creating a school timetable. Basically, it's about optimizing "hour-dispersion" (both in teachers and classes case) for given class-subject-teacher associations. We can assume that we have sets of classes, lesson subjects and teacher...
How to change the docker image installation directory?
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I comment here to let people know which version could use this, after github.com/docker/docker.github.io/pull/5978 release, It change officail website.
– zhongjiajie
Mar 27 '19 at 1:17
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Android: How can I validate EditText input?
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you're welcome! :) now that you're validating it, could you share how are you going to inform the user of the validation failure? I'm currently looking for best methods for the same.
– Niks
May 19 '10 at 6...
What does it mean for a data structure to be “intrusive”?
...sive data structure would be an ordered list of elements that are mutable. If the element changes, the list needs to be reordered, so the list object has to intrude on the privacy of the elements in order to get their cooperation. ie. the element has to know about the list it is in, and inform it of...
sed in-place flag that works both on Mac (BSD) and Linux
...oved from homebrew-core, more info in this answer. when installing gnu-sed now, the installation instructions specify that you need to add gnubin to your PATH: PATH="/usr/local/opt/gnu-sed/libexec/gnubin:$PATH"
– pgericson
Feb 13 '19 at 15:37
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Downloading a large file using curl
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Correct me if I'm wrong, but I don't think you actually need to manually fwrite the data since you're using CURLOPT_FILE.
– Sasha Chedygov
Nov 9 '12 at 18:00
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Python Graph Library [closed]
... with no problem (it's about double the overhead of a dict of size V + E)
If you want a feature comparison, see this from the Networkx-discuss list
Feature comparison thread
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Set the location in iPhone Simulator
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For iOS simulator, it is now located under "Features"
– J. Saw
Jun 8 at 16:53
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How to access parent Iframe from JavaScript
Well, I have an IFrame, which calls a same domain page.
My problem is that I want to access some information from this parent Iframe from this called page (from JavaScript). How can I access this Iframe?
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