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Why is exception handling bad?
... It will make sure you release resources on a throw, but doesn't free you from having to think about corruption of object state and callers seeing intermediate values. So, for a lot of people, it's easier to say, by fiat of coding style, no exceptions. If you restrict the kind of code you write, ...
How to empty (“truncate”) a file on linux that already exists and is protected in someway?
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You have the noclobber option set. The error looks like it's from csh, so you would do:
cat /dev/null >! file
If I'm wrong and you are using bash, you should do:
cat /dev/null >| file
in bash, you can also shorten that to:
>| file
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How do you performance test JavaScript code?
... implement. I wonder, will the logging per se take some of the performance from the javascript execution. Let's say that we have a loop in a game and it outputs multiple log rows. For example once per second for 5 minutes, that is 300 rows. Anyone knows?
– K. Kilian Lindberg
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unobtrusive validation not working with dynamic content
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I was afraid that I should invite it by myself. Script from that page works like a charm.
– cezarypiatek
Nov 28 '14 at 11:11
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What exactly is a reentrant function?
Most of the times , the definition of reentrance is quoted from Wikipedia :
7 Answers
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Remove IE10's “clear field” X button on certain inputs?
...ined on the field -- padding-right -- which was intended to keep the text from typing over the 'X' icon that I overlayed on the input field. I'm guessing that IE10 is internally applying the padding-right of the input to the ::--ms-clear pseudo element, and hiding the pseudo element does not restor...
C/C++ NaN constant (literal)?
...e is NaN, you can't compare it with another NaN value. Instead use isnan() from <math.h> in C, or std::isnan() from <cmath> in C++.
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How to convert JSON to a Ruby hash
...s [] method, which makes it very easy and transparent to decode and encode from/to JSON.
If object is string-like, parse the string and return the parsed result as a Ruby data structure. Otherwise generate a JSON text from the Ruby data structure object and return it.
Consider this:
require '...
How to simulate a click by using x,y coordinates in JavaScript?
...into thinking it was clicked.
All modern browsers support document.elementFromPoint and HTMLElement.prototype.click(), since at least IE 6, Firefox 5, any version of Chrome and probably any version of Safari you're likely to care about. It will even follow links and submit forms:
document.element...
SVG Positioning
...t;rect x="0" y="0" width="60" height="10"/>
</g>
Links: Example from the SVG 1.1 spec
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