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How do you specify that a class property is an integer?
...e more opaque types and use this again.
type guard = <A>(f: (...ns: Array<A>) => A, ...ns: Array<A>) => A
const guard: guard = (f, ...ns) => f(...ns)
If you try to call that with a number
const bad: integer = guard((a, b) => a + b as integer, myCoolInteger, 10)
yo...
How to check if an object is a list or tuple (but not string)?
...ons, iterators. There are exotic things like mmap, less exotic things like array which act pretty much like lists, and probably lots more I've forgotten.
– Nick Craig-Wood
Dec 4 '09 at 6:57
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Search code inside a Github project
...ck. Only the error message you see above...
The only way to get back those arrays is by clicking the "Advance Search" icon:
the "Everything" search selector, which is the default, is actually the wrong one for all of the search filters! Except "language:"...
(You could imagine/assume that "Ever...
Parse large JSON file in Nodejs
...ring(d))
});
This will log objects as they come in if the stream is an array of objects. Therefore the only thing being buffered is one object at a time.
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How do I design a class in Python?
...of OOP. If you pick the right abstraction it makes coding simpler (String, Array, Dictionary), if you pick an abstraction that is too big (Database, EmailManager, NetworkingManager), it may become too complex to really understand how it works, or what to expect. The goal is to hide complexity, but s...
break out of if and foreach
... which defines how many loop structures it should break. Example:
foreach (array('1','2','3') as $a) {
echo "$a ";
foreach (array('3','2','1') as $b) {
echo "$b ";
if ($a == $b) {
break 2; // this will break both foreach loops
}
}
echo ". "; // ...
Capturing Groups From a Grep RegEx
I've got this little script in sh (Mac OSX 10.6) to look through an array of files. Google has stopped being helpful at this point:
...
How do I get a consistent byte representation of strings in C# without manually specifying an encodi
...new byte[str.Length * sizeof(char)];
System.Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length);
return bytes;
}
// Do NOT use on arbitrary bytes; only use on GetBytes's output on the SAME system
static string GetString(byte[] bytes)
{
char[] chars = new char[bytes.Length / s...
Changing CSS Values with Javascript
...ve the stylesheets via document.styleSheets. This will actually return an array of all the stylesheets in your page, but you can tell which one you are on via the document.styleSheets[styleIndex].href property. Once you have found the stylesheet you want to edit, you need to get the array of rules...
The order of elements in Dictionary
...
Associative arrays (aka, hash tables) are unordered, which means that the elements can be ordered in any way imaginable.
HOWEVER, you could fetch the array keys (only the keys), order that alphabetically (via a sort function) and then w...