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Regular Expression to find a string included between two characters while EXCLUDING the delimiters
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Easy done:
(?<=\[)(.*?)(?=\])
Technically that's using lookaheads and lookbehinds. See Lookahead and Lookbehind Zero-Width Assertions. The pattern consists of:
is preceded by a [ that is not captured (lookbehind);
a non-greedy captured group. It's non-greedy to stop at the first ]; and
is...
psql - save results of command to a file
I'm using psql's \dt to list all tables in a database and I need to save the results.
10 Answers
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How to prevent line-break in a column of a table cell (not a single cell)?
... Wouldn't this apply to the entire table (i.e. ALL columns) and not just an individual column?
– Joshua Pinter
Jan 29 at 23:01
add a comment
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java.lang.IllegalStateException: Can not perform this action after onSaveInstanceState
...nloading data from internet. In the onPreExecute() method I add a Fragment and in the onPostExecute() method I remove it again. When the orientation is changed in between, I get the above mentioned exception. Please take a look at the details:
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Inline comments for Bash?
I'd like to be able to comment out a single flag in a one-line command. Bash only seems to have from # till end-of-line comments. I'm looking at tricks like:
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Keystore change passwords
... Does this apply to .jks too? My keystore is .jks generated by Android Studio
– user5395084
Jan 1 '17 at 17:55
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Get the POST request body from HttpServletRequest
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In Java 8, you can do it in a simpler and clean way :
if ("POST".equalsIgnoreCase(request.getMethod()))
{
test = request.getReader().lines().collect(Collectors.joining(System.lineSeparator()));
}
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How to tell if a browser is in “quirks” mode?
Let's suppose you have a page with a relatively strict doctype and HTML markup that's pretty close to compliant, but perhaps misses in a few silly ways, perhaps because of user content that's out of your control... say you're working on a content management system or a theme for a content management...
Is it possible to specify the schema when connecting to postgres with JDBC?
...o the same issue trying to specify the schema to use for the liquibase command line.
Update
As of JDBC v9.4 you can specify the url with the new currentSchema parameter like so:
jdbc:postgresql://localhost:5432/mydatabase?currentSchema=myschema
Appears based on an earlier patch:
http://web.arc...
How to enable or disable an anchor using jQuery?
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Actually My coding is in Rails and my coding is <%= foo.add_associated_link('Add email', @project.email.build) %> when it I render it into browser i can see the email but i cannot disabled it even i tried with coding such as e.preventDefault() but of...