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Can a C++ enum class have methods?
...ations to re-/set single/group of bits, by e.g. bit mask value or even bit index driven operations would be useful for manipulation of such a set of 'flags'.
The c++11 struct/class specification just supports better scoping of enum values for access. No more, no less!
Ways to get out of the restri...
map function for objects (instead of arrays)
...t = { 'a': 1, 'b': 2, 'c': 3 };
Object.keys(myObject).map(function(key, index) {
myObject[key] *= 2;
});
console.log(myObject);
// => { 'a': 2, 'b': 4, 'c': 6 }
But you could easily iterate over an object using for ... in:
var myObject = { 'a': 1, 'b': 2, 'c': 3 };
for (...
Most efficient conversion of ResultSet to JSON?
...e, rs.getInt(column_name));
It will be slightly faster to use the column index to retrieve the column value:
obj.put(column_name, rs.getInt(i));
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How do you enable the escape key close functionality in a Twitter Bootstrap modal?
...s is an issue with how the keyup event is being bound.
You can add the tabindex attribute to you modal to get around this issue:
tabindex="-1"
So your full code should look like this:
<a href="#my-modal" data-keyboard="true" data-toggle="modal">Open Modal</a>
<div class='modal f...
Git merge errors
...or messages mean - needs merge and error: you need to resolve your current index first indicate that a merge failed, and that there are conflicts in those files. If you've decided that whatever merge you were trying to do was a bad idea after all, you can put things back to normal with:
git reset ...
How do I determine the size of my array in C?
...erisk in the right-hand part of the division, since it's more concise than indexing.
Of course, this is all compile-time too, so there's no need to worry about the division affecting the performance of the program. So use this form wherever you can.
It is always best to use sizeof on an actual obj...
How do I create an immutable Class?
...adonly keyword. You can still change individual array references/values by index accessor.
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Folder structure for a Node.js project
....oreilly.com/product/0636920025344.do) suggests this structure:
├── index.html
├── js/
│ ├── main.js
│ ├── models/
│ ├── views/
│ ├── collections/
│ ├── templates/
│ └── libs/
│ ├── backbone/
│ ├── u...
How to switch back to 'master' with git?
...@Disco: I've had this issue before-- if it's definitely not tracked in the index, you can just remove the directory locally and you'll get it back when you git checkout branch1.
– Platinum Azure
Sep 14 '11 at 13:46
...
Rails new vs create
...a GET to serve the form version of that or in other words, the new action. Index and show are also GETs, update is a PUT (or PATCH in Rails 4+), and destroy is a DELETE in HTTP.
In addition, it nicely separates the logic in the controller and gives you a smooth way to deal with errors (by re-render...