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How can I get a list of all functions stored in the database of a particular schema in PostgreSQL?
...query that's used internally connect to a database with psql and supply an extra "-E" (or "--echo-hidden") option and then execute the above command.
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Add vertical whitespace using Twitter Bootstrap?
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Could you give an example of a valid class string?
– Kolob Canyon
Nov 19 '18 at 17:40
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Declaring a custom android UI element using XML
...xtColor"/>
<attr name="extraInformation" format="string" />
</declare-styleable>
</resources>
Notice the use of an unqualified name in the declare-styleable tag. Non-standard android attributes like extraInformation need to have their type declared. Ta...
Is there a better way to do optional function parameters in JavaScript? [duplicate]
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+1, but typeof returns a string, so you need to put quotes around undefined for this to work: if(typeof myVariable == "undefined")...
– Richard Inglis
Jun 4 '12 at 15:10
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Get current directory name (without full path) in a Bash script
...cause dirname has functionality that ${PWD##*/} does not -- transforming a string with no slashes to ., for instance. Thus, while using dirname as an external tool has performance overhead, it also has functionality that helps to compensate for same.
– Charles Duffy
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Are the PUT, DELETE, HEAD, etc methods available in most web browsers?
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@Mirich the form only supports POST. So we send POST with extra data, which the server knows means: ah, I should treat this like a PUT.
– Ciro Santilli 郝海东冠状病六四事件法轮功
Aug 24 '18 at 7:17
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eval command in Bash and its typical uses
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eval takes a string as its argument, and evaluates it as if you'd typed that string on a command line. (If you pass several arguments, they are first joined with spaces between them.)
${$n} is a syntax error in bash. Inside the braces, y...
SQL order string as number
...o number
select col from yourtable
order by col + 0
BTW MySQL converts strings from left to right. Examples:
string value | integer value after conversion
--------------+--------------------------------
'1' | 1
'ABC' | 0 /* the string does not contain a number, so the re...
Flatten an Array of Arrays in Swift
...hmiBozdag's answer,
1. Methods in public extensions are public.
2. Removed extra method, as start index will be always zero.
3. I did not find a way to put compactMap inside for nil and optionals because inside method T is always [Any?], any suggestions are welcomed.
let array = [[[1, 2, 3], 4], 5...
BestPractice - Transform first character of a string into lower case
I'd like to have a method that transforms the first character of a string into lower case.
11 Answers
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