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Ruby capitalize every word first letter
...
split will split on space by default, so you can make it even shorter: 'one TWO three foUR'.split.map(&:capitalize).join(' ')
– Mischa
Jun 13 '13 at 6:53
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Escaping regex string
...c example, search any occurence of the provided string optionally followed by 's', and return the match object.
def simplistic_plural(word, text):
word_or_plural = re.escape(word) + 's?'
return re.match(word_or_plural, text)
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How to properly ignore exceptions
... otherwise you will have nightmares when hunting down trivial bugs, hidden by your generic "except"s. See dbr's answer for more info. (I know this was not the original question - but anyone looking for this will just take your snippet and use it as is)
– johndodo
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Is there a difference between “raise exception()” and “raise exception” without parenthesis?
...ion. If it is a class, the exception instance will be obtained when needed by instantiating the class with no arguments."
That said, even though the semantics are the same, the first form is microscopically faster, and the second form is more flexible (because you can pass it arguments if needed)....
How exactly does a generator comprehension work?
... them into list, it waits, and yields each item out of the expression, one by one.
>>> my_list = [1, 3, 5, 9, 2, 6]
>>> filtered_list = [item for item in my_list if item > 3]
>>> print(filtered_list)
[5, 9, 6]
>>> len(filtered_list)
3
>>> # compare to...
Convert one date format into another in PHP
...date('Y-m-d H:i:s', '1234567890');
DateTime() works with Unix timestamps by adding an @ before the timestamp:
$date = new DateTime('@1234567890');
$new_date_format = $date->format('Y-m-d H:i:s');
If the timestamp you have is in milliseconds (it may end in 000 and/or the timestamp is thirteen...
Renaming or copying files and folder using NERDTree on Vim. Is it possible?
...my life! Is there a way to disable the confirm question when delete a file by using 'm + d', It really tedious to confirm, and it need to confirm twice. I just want it no prompt at all. Do you know how to do it?
– mko
Apr 12 '13 at 1:28
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Boolean.hashCode()
...aps can contain booleans together with other objects. Also, as pointed out by Drunix, a common way to create hash functions of composite objects is to reuse the subcomponents hash code implementations in which case it's good to return large primes.
Related questions:
Why use a prime number in has...
How to check whether dynamically attached event listener exists or not?
...st or not.
The only way you can see if an event listener is attached is by attaching event listeners like this:
elem.onclick = function () { console.log (1) }
You can then test if an event listener was attached to onclick by returning !!elem.onclick (or something similar).
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it
...ome thread-safe, if it doesn't use locks?
Edit: I should probably explain by what I mean by "opt out of most of this lock". Any number of read-only-session or no-session pages can be processed for a given session at the same time without blocking each other. However, a read-write-session page can't...