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How to define “type disjunction” (union types)?
One way that has been suggested to deal with double definitions of overloaded methods is to replace overloading with pattern matching:
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Run a PostgreSQL .sql file using command line arguments
I have some .sql files with thousands of INSERT statements in them and need to run these inserts on my PostgreSQL database in order to add them to a table. The files are that large that it is impossible to open them and copy the INSERT statements into an editor window and run them there. I found on ...
How does one remove an image in Docker?
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edited Mar 23 '15 at 16:05
Anthony
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Compile time string hashing
I have read in few different places that using C++11's new string literals it might be possible to compute a string's hash at compile time. However, no one seems to be ready to come out and say that it will be possible or how it would be done.
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Make a Bash alias that takes a parameter?
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Bash alias does not directly accept parameters. You will have to create a function.
alias does not accept parameters but a function can be called just like an alias. For example:
myfunction() {
#do things with parameters like $1 such as
mv "$1" "$1.bak"
cp "$2" "$1"
}
myfunction old...
How to get the return value from a thread in python?
The function foo below returns a string 'foo' . How can I get the value 'foo' which is returned from the thread's target?
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Remove non-utf8 characters from string
Im having a problem with removing non-utf8 characters from string, which are not displaying properly. Characters are like this 0x97 0x61 0x6C 0x6F (hex representation)
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Function overloading by return type?
Why don't more mainstream statically typed languages support function/method overloading by return type? I can't think of any that do. It seems no less useful or reasonable than supporting overload by parameter type. How come it's so much less popular?
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Argument list too long error for rm, cp, mv commands
I have several hundred PDFs under a directory in UNIX. The names of the PDFs are really long (approx. 60 chars).
27 Answers...
PostgreSQL disable more output
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To disable pagination but retain the output, use:
\pset pager off
To remember this setting, add it to your ~/.psqlrc.
See the psql manual.
On older versions of Pg it was just a toggle, so \pset pager
To completely suppress query output, use \o /dev/null in your psql script.
To sup...