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How to use the 'og' (Open Graph) meta tag for Facebook share
...e-configures entries for Facebook, Google+ and Twitter, and you can use it free here: http://www.groovymeta.com
To answer the question a bit more, OG tags (Open Graph) tags work similarly to meta tags, and should be placed in the HEAD section of your HTML file. See Facebook's best practises for mor...
Font Awesome icon inside text input element
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HTML:
<input name="txtName" id="txtName">
<span class="fa fa-info-circle errspan"></span>
CSS:
<style type="text/css">
.errspan {
float: right;
margin-right: 6px;
margin-top: -20px;
position: relative;
z-index: 2;
co...
What does 'super' do in Python?
...thod - but could be other names) and finding the class (e.g. Child) in the free variables (it is looked up with the name __class__ as a free closure variable in the method).
I prefer to demonstrate the cross-compatible way of using super, but if you are only using Python 3, you can call it with no ...
How can I add the new “Floating Action Button” between two widgets/layouts
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add info about the app namespace
– Lukasz 'Severiaan' Grela
Jul 7 '15 at 11:16
add a comment
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What is the Java equivalent of PHP var_dump?
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It is not quite as baked-in in Java, so you don't get this for free. It is done with convention rather than language constructs. In all data transfer classes (and maybe even in all classes you write...), you should implement a sensible toString method. So here you need to override toS...
Number of occurrences of a character in a string [duplicate]
...this webpage for benchmarks if you want fast code.
– Free Coder 24
Apr 13 '14 at 9:56
@FreeCoder24 that's not a proble...
How to run a makefile in Windows?
...e assumption that VS is installed and on the path. You might find that the free VS Express suffices.
– Marcelo Cantos
Jun 6 '13 at 21:01
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How to get JS variable to retain value after page refresh? [duplicate]
...ile the user navigates or refreshes the page, you can also use it for CORS-free cross-domain communication.
Note that window.name can only store strings, but with the wide availability of JSON, this shouldn't be much of an issue even for complex data.
...
Directory-tree listing in Python
...wever, since in many cases it allows you to prevent system calls, giving a free speedup (both IPC and IO are slow).
– Jappie Kerk
Apr 14 '17 at 9:54
6
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How to create relationships in MySQL
...nodb because myisam engine doesn't support foreign key. Look here for more info.
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