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Remove NA values from a vector
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267
Trying ?max, you'll see that it actually has a na.rm = argument, set by default to FALSE. (Tha...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
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edited Jan 14 at 21:41
Mark Amery
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What is the fastest way to compare two sets in Java?
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edited Mar 11 '19 at 14:25
Line
1,20122 gold badges1414 silver badges3232 bronze badges
answered Jul 2...
javascript node.js next()
...'s done.
See, for example, the code samples here:
http://blog.mixu.net/2011/02/02/essential-node-js-patterns-and-snippets/
Let's look at the example you posted:
function loadUser(req, res, next) {
if (req.session.user_id) {
User.findById(req.session.user_id, function(user) {
if (u...
Is SQL or even TSQL Turing Complete?
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223
It turns out that SQL can be Turing Complete even without a true 'scripting' extension such as...
How do I reflect over the members of dynamic object?
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32
If the IDynamicMetaObjectProvider can provide the dynamic member names, you can get them. See Ge...
Iterate over a Javascript associative array in sorted order
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123
You cannot iterate over them directly, but you can find all the keys and then just sort them.
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How to find out how many lines of code there are in an Xcode project?
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126
Check out CLOC.
cloc counts blank lines, comment lines, and physical lines of source code in m...
Create a custom callback in JavaScript
...t using our own instance as the context
callback.apply(this, ['Hi', 3, 2, 1]);
}
function foo(salutation, three, two, one) {
alert(salutation + " " + this.name + " - " + three + " " + two + " " + one);
}
var t = new Thing('Joe');
t.doSomething(foo); // Alerts "Hi Joe - 3 2 1" via `foo`
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Deadly CORS when http://localhost is the origin
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242
Chrome does not support localhost for CORS requests (a bug opened in 2010, marked WontFix in 2...