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DateTime.ToString() format that can be used in a filename or extension?
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You can use this:
DateTime.Now.ToString("yyyy-dd-M--HH-mm-ss");
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Find substring in the string in TWIG
I want to find substring of the string or check if there is no such substring using Twig. On the words, I need analogue of 'strstr' or 'strpos' in php.
I googled and searched this issue in stackoverflow but nothing found. Does someone know how to solve this problem?
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Detect backspace in empty UITextField
...return NO for select: and selectAll: actions when the text is equal to the string @"\u200B".
– ma11hew28
Oct 19 '11 at 21:56
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Convert Python dictionary to JSON array
... means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTem...
Add an element to an array in Swift
...llows.
To add a new element to the end of an Array.
anArray.append("This String")
To append a different Array to the end of your Array.
anArray += ["Moar", "Strings"]
anArray.append(contentsOf: ["Moar", "Strings"])
To insert a new element into your Array.
anArray.insert("This String", at: 0)...
How to optimize for-comprehensions and loops in Scala?
...) with Range constants in the outermost scope. Or better, intern them like Strings literals in Java.
footnote:
Arrays were about the same as Range, but interestingly, pimping a new forall method (shown below) resulted in 24% faster execution on 64-bit, and 8% faster on 32-bit. When I reduced the...
Is there any algorithm in c# to singularize - pluralize a word?
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I can do it for Esperanto, with no special cases!
string plural(string noun) { return noun + "j"; }
For English, it would be useful to become familiar with the rules for Regular Plurals of Nouns, as well as Irregular Plurals of Nouns. There is a whole Wikipedia article on ...
Maximum size of an Array in Javascript
...3e7 takes 1300ms, which is pretty bad
x=4e7 takes 11000ms and allocates an extra 2.5GB of memory
So around 30 million elements is a hard upper limit, because the javascript VM falls off a cliff at 40 million elements and will probably crash the process.
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In Vim/Vi, how do you move the cursor to the end of the previous word?
...you'll go to the end of the previous, while be you need to be on the first char of the initial word.
– TankorSmash
Dec 4 '13 at 4:06
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Should switch statements always contain a default clause?
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There's no reason to include more information than just the "unreachable" string; if it actually happens, you're going to need to look at the source and the values of the variables etc anyway, and the exception stacktrace will include that line number, so no need to waste your time writing more tex...