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Using an HTML button to call a JavaScript function
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There are a few ways to handle events with HTML/DOM. There's no real right or wrong way but different ways are useful in different situations.
1: There's defining it in the HTML:
<input id="clickMe" type="button" value="clickme" onclick="doFunction();" /&g...
Calling virtual functions inside constructors
...l of the hierarchy in the current constructor and no further.
The C++ FAQ Lite covers this in section 23.7 in pretty good detail. I suggest reading that (and the rest of the FAQ) for a followup.
Excerpt:
[...] In a constructor, the virtual call mechanism is disabled because overriding from derived...
Swift: Pass array by reference?
...follow
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edited Nov 15 '17 at 21:23
iwasrobbed
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How can I determine whether a 2D Point is within a Polygon?
I'm trying to create a fast 2D point inside polygon algorithm, for use in hit-testing (e.g. Polygon.contains(p:Point) ). Suggestions for effective techniques would be appreciated.
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Switch statement fall-through…should it be allowed? [closed]
For as long as I can remember I have avoided using switch statement fall-through. Actually, I can't remember it ever entering my consciousness as a possible way to do things as it was drilled into my head early on that it was nothing more than a bug in the switch statement. However, today I ran acro...
How to save password when using Subversion from the console
... option that I have. When I try to do any Subversion action, e.g. svn commit , it prompts for the account password every time. Is there a way to save this password somehow so that I don't have to retype it every time?
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Why is there a `null` value in JavaScript?
...ll value in JS" - there is a null value of some sort in most languages and it is generally considered very useful.
The question is, "why is there an undefined value in JS". Major places where it is used:
when you declare var x; but don't assign to it, x holds undefined;
when your function gets fe...
Why compile Python code?
...u compile a Python script? You can run them directly from the .py file and it works fine, so is there a performance advantage or something?
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What is Linux’s native GUI API?
...ed the X Window System, which defines a device independent way of dealing with screens, keyboards and pointer devices.
X Window defines a network protocol for communication, and any program that knows how to "speak" this protocol can use it. There is a C library called Xlib that makes it easier to ...
Difference between size_t and unsigned int?
...he internet and everywhere mentioned that size_t is an unsigned type so, it can represent only non-negative values.
7 Ans...