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Is it good practice to make the constructor throw an exception? [duplicate]
...ke the constructor throw an exception?
For example I have a class Person and I have age as its only attribute. Now
I provide the class as
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HtmlSpecialChars equivalent in Javascript?
Apparently, this is harder to find than I thought it would be. And it even is so simple...
16 Answers
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Directory does not exist. Parameter name: directoryVirtualPath
i just published my project to my host on Arvixe and get this error (Works fine local):
20 Answers
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Validate decimal numbers in JavaScript - IsNumeric()
...ring this set of +30 unit tests made to numerous function implementations, and also share the one that passes all my tests:
function isNumeric(n) {
return !isNaN(parseFloat(n)) && isFinite(n);
}
P.S. isNaN & isFinite have a confusing behavior due to forced conversion to number. In...
proper way to sudo over ssh
...ch file;" EDIT Apparently it's important that you actually provide the command as a parameter, not through standard in (which makes sense in hindsight).
– Limited Atonement
Aug 10 '15 at 15:10
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@RequestBody and @ResponseBody annotations in Spring
Can someone explain the @RequestBody and @ResponseBody annotations in Spring 3? What are they for? Any examples would be great.
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What's the longest possible worldwide phone number I should consider in SQL varchar(length) for phon
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Well considering there's no overhead difference between a varchar(30) and a varchar(100) if you're only storing 20 characters in each, err on the side of caution and just make it 50.
share
|
im...
Multi-Line Comments in Ruby?
...egin
Every body mentioned this way
to have multiline comments.
The =begin and =end must be at the beginning of the line or
it will be a syntax error.
=end
puts "Hello world!"
<<-DOC
Also, you could create a docstring.
which...
DOC
puts "Hello world!"
"..is kinda ugly and creates
a String ...
Why can't radio buttons be “readonly”?
... Disabled doesn't work, because it doesn't submit the value (or does it?), and it grays out the radio button. Read-only is really what I'm looking for, but for some mysterious reason it doesn't work.
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How to draw polygons on an HTML5 canvas?
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Create a path with moveTo and lineTo (live demo):
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#f00';
ctx.beginPath();
ctx.moveTo(0, 0);
ctx.lineTo(100,50);
ctx.lineTo(50, 100);
ctx.lineTo(0, 90);
ctx.closePath();
ctx.fill();
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