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How to make a function wait until a callback has been called using node.js
...orking 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 sense, but rather send the routine that will handle the resulting value:
funct...
How to render a DateTime in a specific format in ASP.NET MVC 3?
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If all you want to do is display the date with a specific format, just call:
@String.Format(myFormat, Model.MyDateTime)
Using @Html.DisplayFor(...) is just extra work unless you are specifying a template, or need to use somet...
Permutations in JavaScript?
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If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < inp...
How are Anonymous inner classes used in Java?
...ct with certain "extras" such as overriding methods, without having to actually subclass a class.
I tend to use it as a shortcut for attaching an event listener:
button.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
// do something
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Positioning MKMapView to show multiple annotations at once
...tations I want to add to my MKMapView (it could 0-n items, where n is generally around 5). I can add the annotations fine, but I want to resize the map to fit all annotations onscreen at once, and I'm not sure how to do this.
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Can I nest a element inside an using HTML5?
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You don't need the span at all with bootstrap. Just move the whole class part to the <a> and you will have a link button. eg <a href="#register" class="btn btn-default btn-lg">Subscribe</a>
– Ryan Buddicom
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Should C# methods that *can* be static be static? [closed]
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It depends.
There are really 2 types of static methods:
Methods that are static because they CAN be
Methods that are static because they HAVE to be
In a small to medium size code base you can really treat the two methods interchangeably.
If yo...
In JavaScript can I make a “click” event fire programmatically for a file input element?
... make a click event fire on an <input type="file"> tag programmatically.
28 Answers
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Can you remove elements from a std::list while iterating through it?
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Actually, that's not guaranteed to work. With "erase(i++);", we only know that the pre-incremented value is passed to erase(), and the i is incremented before the semi-colon, not necessarily before the call to erase(). "iterato...
How to reference a file for variables using Bash?
I want to call a settings file for a variable, how can I do this in bash?
9 Answers
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