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Coding in Other (Spoken) Languages
...nce I don't speak a word of that language, stuff could have been called var_123, var_562 or func_333 as well (and probably it would have been easier for me to remember the names or at least to have a chance of spelling them right without copying and pasting). Since this was a short, self-contained s...
Javascript Cookie with no expiration date
...038-01-19 04:14:07
So Maximum cookie life time is
$.cookie('subscripted_24', true, { expires: 2147483647 });
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Regex doesn't work in String.matches()
...d suit? From what I know, only C++ has an equivalent set of methods - regex_search and regex_match. In Python, re.match only anchors the match at the start of the string (as if it were \Apattern) and Python 3.x has got a nice .fullmatch() method. In JS, Go, PHP and .NET, the there are no regex metho...
Safe (bounds-checked) array lookup in Swift, through optional bindings?
... only when it's safe, and nil otherwise
• What should this functionality base it's implementation on?
- Array subscripting
• Where does it get this feature from?
- Its definition of struct Array in the Swift module has it
• Nothing more generic/abstract?
- It adopts protocol CollectionType whi...
Stash changes while keeping the changes in the working directory in Git
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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A regex to match a substring that isn't followed by a certain other substring
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to delete migration files in Rails 3
...rt DB changes due to this migration)
Run "rails destroy migration migration_name" (migration_name is the one use chose while creating migration. Remove "timestamp_" from your migration file name to get it)
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find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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What's the difference between URI.escape and CGI.escape?
... fetch content. Now if I don't encode the external urls properly, the ruby based HTTP clients fail with invalid URI errors.
– amit_saxena
Nov 10 '14 at 15:58
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Convert string with commas to array
...ols: like e.g. "0,s" any ideas how to fix that?
– sqp_125
Aug 31 '17 at 12:48
1
@sqp_125 try 0,'s...