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What is the best way to add options to a select from a JavaScript object with jQuery?
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jQuery
var list = $("#selectList");
$.each(items, function(index, item) {
list.append(new Option(item.text, item.value));
});
Vanilla JavaScript
var list = document.getElementById("selectList");
for(var i in items) {
list.add(new Option(items[i].text, items[i].value));
}
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Average of 3 long integers
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This code will work, but isn't that pretty.
It first divides all three values (it floors the values, so you 'lose' the remainder), and then divides the remainder:
long n = x / 3
+ y / 3
+ z / 3
+ ( x % 3
+ y % 3
+ z % 3
)...
StringBuilder vs String concatenation in toString() in Java
...o builder?
At the point where you're concatenating in a loop - that's usually when the compiler can't substitute StringBuilder by itself.
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Concatenating two lists - difference between '+=' and extend()
I've seen there are actually two (maybe more) ways to concatenate lists in Python:
One way is to use the extend() method:
9...
How to uninstall the “Microsoft Advertising SDK” Visual Studio extension?
...or me) is the "Microsoft Advertising SDK for Windows 8.1". I like to uninstall extensions I don't need, but this one won't allow me. if I hover the (enabled!) button it says in a tooltip:
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How to find the JVM version from a program?
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That JMX call returns the equivalent of "java.vm.version", not "java.version". These are usually (but not necessarily) the same.
– Alex Miller
Jun 21 '13 at 15:54
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How to include package data with setuptools/distribute?
When using setuptools/distribute, I can not get the installer to pull in any package_data files. Everything I've read says that the following is the correct way to do it. Can someone please advise?
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Use LINQ to get items in one List, that are not in another List
... thought it most likely would be suboptimal for Lists. Now for tables with indexed IDs, this would definitely be the way to go.
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Extract traceback info from an exception object
...ion("foo occurred").with_traceback(tracebackobj)
These features are minimally described as part of the raise documentation.
All credit for this part of the answer should go to Vyctor, who first posted this information. I'm including it here only because this answer is stuck at the top, and Python...
How do I query if a database schema exists
...han the expected # of Rows however unlikely. Even if there is(are) Unique Index'es currently ensuring the expected # (i.e. 1) of Rows to be returned / affected, that could change (accidentally or (short-sightedly) "'intentionally'") in the future.
– Tom
Oct 2...