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How to find first element of array matching a boolean condition in JavaScript?
...hat index) it was met. So we have to amend it a little:
function find(arr, test, ctx) {
var result = null;
arr.some(function(el, i) {
return test.call(ctx, el, i, arr) ? ((result = el), true) : false;
});
return result;
}
var result = find(someArray, isNotNullNorUndefined);...
C# - How to get Program Files (x86) on Windows 64 bit
...
Why this test : 8 == IntPtr.Size ?
– Florian
Oct 7 '11 at 11:30
1
...
Python read-only property
...y
... def a(self):
... return self._a
...
>>> a = A('test')
>>> a.a
'test'
>>> a.a = 'pleh'
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: can't set attribute
...
Why does `a == b or c or d` always evaluate to True?
...= "Inbar":
Compose a sequence of valid values, and use the in operator to test for membership:
if name in {"Kevin", "Jon", "Inbar"}:
In general of the two the second should be preferred as it's easier to read and also faster:
>>> import timeit
>>> timeit.timeit('name == "Kevin" ...
How to check if a file is a valid image file?
...
That won't be sufficient if he's really testing for "valid" images; the presence of a magic number doesn't guarantee that the file hasn't been truncated, for example.
– Ben Blank
May 20 '09 at 18:11
...
How do I step out of a loop with Ruby Pry?
... use when you're using guard and just want it to stop running pry for that test run. It'll reset on the next test run.
– BBonifield
Aug 26 '15 at 19:33
add a comment
...
What does jQuery.fn mean?
...rom the constructor's prototype.
A simple constructor function:
function Test() {
this.a = 'a';
}
Test.prototype.b = 'b';
var test = new Test();
test.a; // "a", own property
test.b; // "b", inherited property
A simple structure that resembles the architecture of jQuery:
(function() {
var ...
What is a good regular expression to match a URL? [duplicate]
...
For got to mention use this site gskinner.com/RegExr to test Regex and view common samples
– Daveo
Sep 28 '10 at 3:16
8
...
How to get arguments with flags in Bash
...
This is the idiom I usually use:
while test $# -gt 0; do
case "$1" in
-h|--help)
echo "$package - attempt to capture frames"
echo " "
echo "$package [options] application [arguments]"
echo " "
echo "options:"
echo "-h, --h...
Comparing object properties in c# [closed]
... snippet of code that would do something similar to help with writing unit test. Here is what I ended up using.
public static bool PublicInstancePropertiesEqual<T>(T self, T to, params string[] ignore) where T : class
{
if (self != null && to != null)
{
Type type ...