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The 'Access-Control-Allow-Origin' header contains multiple values
... It seems like you are reading Properties.Settings.Default.Cors from a settings file. Can you post an example? And what class is UseCors in?
– Hoppe
Oct 21 '14 at 21:16
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Make sure only a single instance of a program is running
...tform and runs on Python 2.4-3.2. I tested it on Windows, OS X and Linux.
from tendo import singleton
me = singleton.SingleInstance() # will sys.exit(-1) if other instance is running
The latest code version is available singleton.py. Please file bugs here.
You can install tend using one of the f...
How to get unique values in an array
... "3", "1"].includes("2"); // true
Pollyfill (browser support, source from mozilla):
// https://tc39.github.io/ecma262/#sec-array.prototype.includes
if (!Array.prototype.includes) {
Object.defineProperty(Array.prototype, 'includes', {
value: function(searchElement, fromIndex) {
//...
Difference Between ViewData and TempData?
... much more complicated (the session) than a simple dictionary being passed from method to method
– Matti Virkkunen
Sep 17 '12 at 0:24
add a comment
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Is a statically-typed full Lisp variant possible?
...toms in the tree to be of the same type. We want them to be able to differ from leaf to leaf. A better approach requires the use of Haskell's existential quantifiers:
class Atomic a where ?????
data Cons = CCons Cons Cons
| forall a. Atomic a => CAtom a
But now you come to the cr...
How can I output UTF-8 from Perl?
...ore or less in utf8, will be output as latin1 by default. This way scripts from a pre-unicode era still work the same, even with a unicode-aware perl.
– mirod
Mar 10 '09 at 10:00
3...
How to merge two arrays in JavaScript and de-duplicate items
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@Ygg From the lodash docs. "Returns a new array of unique values, in order, that are present in one or more of the arrays."
– Richard Ayotte
Aug 2 '13 at 0:42
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Twitter Bootstrap 3: how to use media queries?
... What about 480px (@screen-xs)? Did that appear later? Got it from here.
– brejoc
Apr 16 '14 at 13:45
1
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Getting a File's MD5 Checksum in Java
... if you're already doing something with the bytes (i.e. reading them in on from an HTTP connection).
– Marc Novakowski
Dec 6 '08 at 1:51
2
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Why do C and C++ compilers allow array lengths in function signatures when they're never enforced?
... including array syntax was necessary. In addition, nothing stops compiler from issuing warnings even on single dimensional arrays.
– user694733
Mar 28 '14 at 8:20
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