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using facebook sdk in Android studio
...g the latest, all you need to do is this:
Download the Facebook SDK from https://developers.facebook.com/docs/android/
Unzip the archive
In Android Studio 0.5.5 or later, choose "Import Module" from the File menu.
In the wizard, set the source path of the module to import as the "facebook" directo...
Macro vs Function in C
... arguments can map to different functions instead of using C's va_args.eg: https://stackoverflow.com/a/24837037/432509.
They can optionally include local info, such as debug strings:(__FILE__, __LINE__, __func__). check for pre/post conditions, assert on failure, or even static-asserts so the code w...
How do I check whether a checkbox is checked in jQuery?
...function() {
$("#txtAge").toggle(this.checked);
});
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<input type="checkbox" id="isAgeSelected"/>
<div id="txtAge" style="display:none">Age is something</div>
...
Removing an item from a select box
...n:
$("#selectBox option[value='option1']").remove();
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<select name="selectBox" id="selectBox">
<option value="option1">option1</option>
<option value="option2">opt...
How do I auto-submit an upload form when a file is selected?
...file').change(function() {
$('#target').submit();
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<form id="target" action="destination.html">
<input type="file" id="file" value="Go" />
</form>
...
Simple way to create matrix of random numbers
...
When you say "a matrix of random numbers", you can use numpy as Pavel https://stackoverflow.com/a/15451997/6169225 mentioned above, in this case I'm assuming to you it is irrelevant what distribution these (pseudo) random numbers adhere to.
However, if you require a particular distribution (I ...
RESTful password reset
...g in the url is a security risk. GET parameters are not exposed when using https (and you should always use a proper https connection for such requests) but there are other security risks involved. You can read more on this topic in this blog post here.
Passing the email in the request body would ...
How to link to apps on the app store
... with send them to the App Store!
For info on naming, see Apple QA1633:
https://developer.apple.com/library/content/qa/qa1633/_index.html.
Edit (as of January 2015):
itunes.com/apps links should be updated to appstore.com/apps. See QA1633 above, which has been updated. A new QA1629 suggests th...
Undefined reference to pthread_create in Linux
I picked up the following demo off the web from https://computing.llnl.gov/tutorials/pthreads/
14 Answers
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ggplot with 2 y axes on each side and different scales
... faceting and scale free to compare the two data series? - e.g. look here: https://github.com/hadley/ggplot2/wiki/Align-two-plots-on-a-page
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