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“use database_name” command in PostgreSQL
...you must get a new connection.
Using \c in psql closes the old connection and acquires a new one, using the specified database and/or credentials. You get a whole new back-end process and everything.
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How can I escape a double quote inside double quotes?
...done by finishing an already-opened one ('), placing the escaped one (\'), and then opening another one (').
Alternatively:
$ echo 'abc'"'"'abc'
abc'abc
$ echo "abc"'"'"abc"
abc"abc
It's done by finishing already opened one ('), placing a quote in another quote ("'"), and then opening another on...
How to get the name of the current method from code [duplicate]
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And then there is CallerMemberNameAttribute stackoverflow.com/a/15310053/58768
– bohdan_trotsenko
Mar 17 '16 at 14:33
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What is DOM Event delegation?
Can anyone please explain event delegation in JavaScript and how is it useful?
11 Answers
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Exit Shell Script Based on Process Exit Code
I have a shell script that executes a number of commands. How do I make the shell script exit if any of the commands exit with a non-zero exit code?
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Case insensitive 'Contains(string)'
...anguage dependent. For example, the English language uses the characters I and i for the upper and lower case versions of the ninth letter, whereas the Turkish language uses these characters for the eleventh and twelfth letters of its 29 letter-long alphabet. The Turkish upper case version of 'i' is...
Is there a way to “autosign” commits in Git with a GPG key?
...e a requirement that I use the same form of my name in
my git repository and my gpg key.
Further I might have multiple keys in my keyring, and might want to use one that doesn't match up with the address I use in commit messages.
This patch adds a configuration entry "user.signingKey" which...
How random is JavaScript's Math.random?
For 6 years I've had a random number generator page on my website. For a long time, it was the first or second result on Google for "random number generator" and has been used to decide dozens, if not hundreds of contests and drawings on discussion forums and blogs (I know because I see the referr...
apache to tomcat: mod_jk vs mod_proxy
What are the advantages and disadvantages of using mod_jk and mod_proxy for fronting a tomcat instance with apache?
3 A...
Add disabled attribute to input element using Javascript
I have an input box and I want it to be disabled and at the same time hide it to avoid problems when porting my form.
7 Ans...