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Read/Write String from/to a File in Android
...ed from EditText. Then I want the same file to return the inputted text in String form and save it to another String which is to be used later.
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
...lower! For now, I've split things up into two hosts entries (with the same IP address) and it seems to be going fine.
– Alex Ghiculescu
Apr 15 '13 at 6:46
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NSLog the method name with Objective-C in iPhone
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print(__FUNCTION__) // Swift
NSLog(@"%@", NSStringFromSelector(_cmd)); // Objective-C
Swift 3 and above
print(#function)
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What to do with “Unexpected indent” in python?
... statement). All lines of code in a block must start with exactly the same string of whitespace. For instance:
>>> def a():
... print "foo"
... print "bar"
IndentationError: unexpected indent
This one is especially common when running python interactively: make sure you don't put a...
Remove the last three characters from a string
I want to remove last three characters from a string:
14 Answers
14
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Most efficient T-SQL way to pad a varchar on the left to a certain length?
...your padding character and @n is the number of characters in the resulting string (assuming you need the padding because you are dealing with a fixed length).
But as I said you should really avoid doing this in your database.
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How to bind inverse boolean properties in WPF?
... of effort to separate what they feel is "code" from those poor designers. Extra extra painful when I’m both the coder and the designer.
– Roman Starkov
Apr 14 '12 at 14:48
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psql: FATAL: Peer authentication failed for user “dev”
...0.0.1 -d db_name
where
-U is the database user name
-h is the hostname/IP of the local server, thus avoiding Unix domain sockets
-d is the database name to connect to
This is then evaluated as a "network" connection by Postgresql rather than a Unix domain socket connection, thus not evaluated ...
MongoDB数据导出导入工具：mongoexport,mongoimport - 大数据 & AI - 清泛...
...ds names - 1 per line
-q [ --query ] arg query filter, as a JSON string
--csv export to csv instead of json
-o [ --out ] arg output file; if not specified, stdout is used
--jsonArray output to a json array rather than one object per
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Keep only first n characters in a string?
Is there a way in JavaScript to remove the end of a string?
7 Answers
7
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