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How to correctly use the extern keyword in C
...e the variable itself, i.e. doesn't allocate any memory. This needs to be done somewhere else. Thus it's important if you want to import the variable from somewhere else. For functions, this only tells the compiler that linkage is extern. As this is the default (you use the keyword "static" to indic...
Mocking vs. Spying in mocking frameworks
... on it. What's the difference between the two and when would/should I use one over the other?
7 Answers
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What's the difference between `on` and `live` or `bind`?
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on() is an attempt to merge most of jQuery's event binding functions into one. This has the added bonus of tidying up the inefficiencies with live vs delegate. In future versions of jQuery, these methods will be removed and only on and one will be left.
Examples:
// Using live()
$(".mySelector"...
Remove blank attributes from an Object in Javascript
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Using some ES6 / ES2015:
1) A simple one-liner to remove the items inline without assignment:
Object.keys(myObj).forEach((key) => (myObj[key] == null) && delete myObj[key]);
jsbin
2) This example was removed...
3) First example written as a funct...
Waiting on a list of Future
... CompletionService to receive the futures as soon as they are ready and if one of them throws an exception cancel the processing. Something like this:
Executor executor = Executors.newFixedThreadPool(4);
CompletionService<SomeResult> completionService =
new ExecutorCompletionService&l...
sudo echo “something” >> /etc/privilegedFile doesn't work
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I absolutely prefer this one. It's just the simplest (and it tought me about tee, which comes in handy in other scenarios as well).
– Joachim Sauer
Apr 8 '09 at 19:00
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Difference of Maven JAXB plugins
...en2:maven-jaxb-plugin,
from my point of view it's definitely
the first one
(http://maven-jaxb2-plugin.java.net/).
This plugin has much more features
than
com.sun.tools.xjc.maven2:maven-jaxb-plugin,
the development is active. Finally,
I'm one of the authors :) and I'd say
we keep...
Unable to Cast from Parent Class to Child Class
... a child class but I get an InvalidCastException. The child class only has one property of type int. Does anyone know what I need to do?
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Convert PHP closing tag into comment
One of the lines in my script contains a PHP closing tag inside a string. Under normal operation this does not cause a problem, but I need to comment out the line.
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Get Substring - everything before certain char
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Thanks I was close to this, but was curious if anyone had a different way to do it other than this combo. But yes this works great and is still pretty short.
– PositiveGuy
Dec 7 '09 at 2:55
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