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How can I create an Asynchronous function in Javascript?
... you'll see that the interface this way does respond to your mouse clicks, etc.
– Marco Faustinelli
Oct 31 '15 at 13:16
...
How to check if a value exists in an array in Ruby
...ED_METHODS = Set[:to_s, :to_i, :upcase, :downcase
# etc
]
def foo(what)
raise "Not allowed" unless ALLOWED_METHODS.include?(what.to_sym)
bar.send(what)
end
A quick test reveals that calling include? on a 10 element Set is about 3.5x faster than cal...
Test whether a list contains a specific value in Clojure
...ment. Accordingly, pipelines containing map, filter, remove, reduce, into, etc usually call for the ->> macro." But I guess the convention is more about functions that operate on sequences and return sequences.
– John Wiseman
Jun 6 '18 at 17:56
...
Selenium c# Webdriver: Wait Until Element is Present
...ent is not present (you're testing for a malformed page, missing elements, etc.). With the implicit wait these operations would wait for the whole timeout to expire before throwing the exception. The default implicit wait is set to 0 seconds.
I've written a little extension method to to IWebDriver ...
Split Strings into words with multiple word boundary delimiters
...e very powerful. The regular expression '\w+' means "a word character (a-z etc.) repeated one or more times". There's a HOWTO on Python regular expressions here: amk.ca/python/howto/regex
– RichieHindle
Jul 4 '09 at 19:44
...
Ruby - test for array
...ant to check if something is an indexed iterable, so arrays, linked lists, etc. would be cool, but I don't want key value stores like hashes?
– Colton Voege
Jan 8 '17 at 3:52
...
How do I sort an NSMutableArray with custom objects in it?
..., "more" or "equal" to another date (such as comparing seconds-since-epoch etc.):
NSComparisonResult compare(Person *firstPerson, Person *secondPerson, void *context) {
if ([firstPerson birthDate] < [secondPerson birthDate])
return NSOrderedAscending;
else if ([firstPerson birthDate] >...
O(nlogn) Algorithm - Find three evenly spaced ones within binary string
...idea of thinking of 11011 as the polynomial with coefficients [1,1,0,1,1], etc. This is a clever and often useful idea, which goes all the way back to Euler. [See Wilf's awesome book "generatingfunctionology" for a modern exposition: math.upenn.edu/~wilf/DownldGF.html ] So it depends on whether the ...
Unicode equivalents for \w and \b in Java regular expressions?
...change the API from what it is in this alpha prototype, clean up the code, etc. But it helps us out tremendously, and we figure it will help others, too. I really wish Sun would do something about their library, but Oracle inspires no confidence.
– tchrist
Nov ...
Why should I use Google's CDN for jQuery?
...ts rather than load it from a CDN.
The reason is the latency involved in fetching jQuery on mobile devices:
"In 2012 the average RTT time on a mobile network in the United States
was 344ms. And that 344ms applies to not only every HTTP request –
which the average web page now makes 93 of ...