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Check if a key exists inside a json object
... answered Dec 27 '13 at 16:38
Anand JhaAnand Jha
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rails simple_form - hidden field - create?
...html => { :value => "some value" }
– Linus Oleander
Mar 20 '11 at 21:14
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This is the simp...
Java, How do I get current index/key in “for each” loop [duplicate]
... reason is you can use the condensed for syntax to loop over any Iterable, and it's not guaranteed that the values actually have an "index"
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Vertical Text Direction
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@CrystalMiller and BTW, w3schools can be a good helper, but it is not the source/original documentation (so it can miss some things), the "official" is w3.org, or the closest, more human-readable, to it is mozilla's developer network - "MDN...
How do I convert a String to an InputStream in Java?
...s:
InputStream stream = new ByteArrayInputStream(exampleString.getBytes(StandardCharsets.UTF_8));
Note that this assumes that you want an InputStream that is a stream of bytes that represent your original string encoded as UTF-8.
For versions of Java less than 7, replace StandardCharsets.UTF_8 w...
Shorthand way for assigning a single field in a record, while copying the rest of the fields?
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And lenses-like packages often define operators in addition to functions for getting and setting fields. For example, test $ c .~ "Goodbye" is how lens would do it iirc. I'm not saying this is intutitive, but once you know ...
Get object by id()? [duplicate]
...The Python weakref module lets you keep references, dictionary references, and proxies to objects without having those references count in the reference counter. They're like symbolic links.
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How can I search (case-insensitive) in a column using LIKE wildcard?
I looked around some and didn't find what I was after so here goes.
15 Answers
15
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How to escape @ characters in Subversion managed file names?
..., such as news@11@. svn cares only about the last at sign in the argument, and it is not considered illegal to omit a literal peg revision specifier after that at sign. This workaround even applies to paths that end in an at sign—you would use filename@@ to talk about a file named filename@.
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Unix shell script to truncate a large file
...an application when it reaches say 3GB of space. I know that the below command would do it :
4 Answers
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