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Serializing class instance to JSON
...lem is that the JSON encoder json.dumps() only knows how to serialize a limited set of object types by default, all built-in types. List here: https://docs.python.org/3.3/library/json.html#encoders-and-decoders
One good solution would be to make your class inherit from JSONEncoder and then impleme...
Embedding unmanaged dll into a managed C# dll
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You can embed the unmanaged DLL as a resource if you extract it yourself to a temporary directory during initialization, and load it explicitly with LoadLibrary before using P/Invoke. I have used this technique and it works well. You may prefer to just link it to the assembly as a sepa...
How random is JavaScript's Math.random?
For 6 years I've had a random number generator page on my website. For a long time, it was the first or second result on Google for "random number generator" and has been used to decide dozens, if not hundreds of contests and drawings on discussion forums and blogs (I know because I see the referr...
Post-increment and pre-increment within a 'for' loop produce same output [duplicate]
...ween pre- and post-increment is in the result of evaluating the expression itself.
++i increments i and evaluates to the new value of i.
i++ evaluates to the old value of i, and increments i.
The reason this doesn't matter in a for loop is that the flow of control works roughly like this:
test ...
Check if string begins with something? [duplicate]
I know that I can do like ^= to see if an id starts with something, and I tried using that for this, but it didn't work... Basically, I'm retrieving the url and I want to set a class for an element for pathnames that start in a certain way...
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What are some compelling use cases for dependent method types?
... default in the trunk , and apparently this seems to have created some excitement in the Scala community.
4 Answers
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What is the difference between XML and XSD?
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Actually the XSD is XML itself. Its purpose is to validate the structure of another XML document. The XSD is not mandatory for any XML, but it assures that the XML could be used for some particular purposes. The XML is only containing data in suitab...
process.waitFor() never returns
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There are many reasons that waitFor() doesn't return.
But it usually boils down to the fact that the executed command doesn't quit.
This, again, can have many reasons.
One common reason is that the process produces some output and you don't read from t...
Getting the ID of the element that fired an event
...ent.target.id);
});
});
Note also that this will also work, but that it is not a jQuery object, so if you wish to use a jQuery function on it then you must refer to it as $(this), e.g.:
$(document).ready(function() {
$("a").click(function(event) {
// this.append wouldn't work
...
What are the differences between LinearLayout, RelativeLayout, and AbsoluteLayout?
...ally/ horizontally).
RelativeLayout means based on relation of views from its parents and other views.
ConstraintLayout is similar to a RelativeLayout in that it uses relations to position and size widgets, but has additional flexibility and is easier to use in the Layout Editor.
WebView to load ...