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Dynamically generating a QR code with PHP [closed]
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Sept 2019 - still working as of now!
– Anupam
Sep 16 '19 at 8:28
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How do I perform the SQL Join equivalent in MongoDB?
...mmend specific use cases for $lookup, but at least as of 3.2 doing join is now possible with MongoDB.
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How can you programmatically tell an HTML SELECT to drop down (for example, due to mouseover)?
...lse people say it is not, but it was deprecated later on and does not work now.
However, this only worked in Chrome. Read more if you're interested.
According to W3C Working Draft for HTML5, Section 3.2.5.1.7. Interactive Content:
Certain elements in HTML have an activation behavior, which m...
__getattr__ on a module
...module replace sys.modules[__name__] with an instance of your class -- and now you can play with __getattr__/__setattr__/__getattribute__ as needed.
Note 1: If you use this functionality then anything else in the module, such as globals, other functions, etc., will be lost when the sys.modules as...
How do you pass a function as a parameter in C?
... the print function to it.
Function Body
As with any parameter, func can now use the parameter's name in the function body to access the value of the parameter. Let's say that func will apply the function it is passed to the numbers 0-4. Consider, first, what the loop would look like to call print...
Does Java support default parameter values?
...force complete and valid construction contracts are a much better solution now.
– user177800
Dec 18 '15 at 4:27
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How do you downgrade rubygems?
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Updated November 2011: Now that RVM's out, try running rvm install rubygems <version>.
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What is the difference between GitHub and gist?
...at can be shared.
Similar to this comment scratch pad that I am typing on now, but a bit more elaborate.
Whereas, an official, full GitHub repo is a full blown repository of source code src, supporting documents ( markdown or html, or both ) docs or root, images png, ico, svg, and a config.sys fil...
Github Windows 'Failed to sync this branch'
...have the same issue, however I am using a mapped drive. With this answer I now just commit with GitHub Desktop and git push through Git.
– zanderwar
Jul 30 '15 at 23:46
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Warn user before leaving web page with unsaved changes
...rn confirmationMessage; //Gecko + Webkit, Safari, Chrome etc.
});
};
Now to implement the isDirty method, there are various approaches.
You can use jQuery and form serialization, but this approach has some flaws. First you have to alter the code to work on any form ($("form").each() will do)...