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How to make a function wait until a callback has been called using node.js
...iven" way of doing this is to not wait.
Like almost everything else when working with event driven systems like node, your function should accept a callback parameter that will be invoked when then computation is complete. The caller should not wait for the value to be "returned" in the normal sens...
Why shouldn't I use PyPy over CPython if PyPy is 6.3 times faster?
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NOTE: PyPy is more mature and better supported now than it was in 2013, when this question was asked. Avoid drawing conclusions from out-of-date information.
PyPy, as others have been quick to mention, has tenuous support for C extensi...
What must I know to use GNU Screen properly? [closed]
...ow about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What are some analogies and handy tips for remembering binds, etc.?
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How to Sort Multi-dimensional Array by Value?
How can I sort this array by the value of the "order" key? Even though the values are currently sequential, they will not always be.
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Can I nest a element inside an using HTML5?
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No, it isn't valid HTML5 according to the HTML5 Spec Document from W3C:
Content model: Transparent, but there must be no interactive content descendant.
The a element may be wrapped around entire paragraphs, lists, tables, and so forth, even entire sec...
Should C# methods that *can* be static be static? [closed]
... methods interchangeably.
If you have a method that is in the first category (can-be-static), and you need to change it to access class state, it's relatively straight forward to figure out if it's possible to turn the static method into a instance method.
In a large code base, however, the sheer...
Can't start hostednetwork
When I try to run netsh wlan start hostednetwork , I get the following message:
10 Answers
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Refactoring in Vim
Of course the fact that you can refactor on IDEs is priceless for many, I hardly ever do it when I am coding but I may try to do it when editing some one else's source. How do you accomplish such a trivial task across multiple files in Vim?
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Can you remove elements from a std::list while iterating through it?
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You have to increment the iterator first (with i++) and then remove the previous element (e.g., by using the returned value from i++). You can change the code to a while loop like so:
std::list<item*>::iterator i = items.begin();
while (i != items.e...
How to avoid “if” chains?
...gt;() should evaluate only if the previous one succeeded (this is called short circuit evaluation)
executeThisFunctionInAnyCase() will be executed in any case
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