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“Invalid form control” only in Google Chrome
...is:
<form>
<div style="display: none;">
<input name="test" type="text" required/>
</div>
<input type="submit"/>
</form>
solution to this problem will depend on how the site should work
for example if you don't want the form to submit unless this fie...
Group by month and year in MySQL
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Performance... my test of GROUP BY YEAR(date), MONTH(date) DESC; (~450 ms) and GROUP BY DATE_FORMAT(date,'%Y-%m') (~850 ms) on a InnoDB table with > 300,000 entries showed the former (the marked answer to this question) took ~half the time ...
What's the best way to do “application settings” in Android? [closed]
...e some application settings (like the URL of an API, and some settings for testing) for an Android application.
1 Answer
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Run a Docker image as a container
...you didn't specify tag_name it will automatically run an image with the 'latest' tag.
Instead of image_name, you can also specify an image ID (no tag_name).
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Random number generator only generating one random number
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Locks are very cheap when they aren't contested... and even if contested I would expect the "now do something with the number" code to dwarf the cost of the lock in most interesting scenarios.
– Marc Gravell♦
Sep 18 '09 at 15...
How to establish a connection pool in JDBC?
..." ); //loads the jdbc driver
cpds.setJdbcUrl( "jdbc:postgresql://localhost/testdb" );
cpds.setUser("swaldman");
cpds.setPassword("test-password");
// the settings below are optional -- c3p0 can work with defaults
cpds.setMinPoolSize(5);
cpds.setAcquireIncrement(5);
cpds.setMaxPoolSize(20);
// The ...
Shell - Write variable contents to a file
...me
if [ -f "$destdir" ]
then
echo "$var" > "$destdir"
fi
The if tests that $destdir represents a file.
The > appends the text after truncating the file. If you only want to append the text in $var to the file existing contents, then use >> instead:
echo "$var" >> "$destdi...
Using port number in Windows host file
... and give it a shot. I ended up here when trying to figure out how to map .test domains to my docker images locally on Windows 10, and the netsh answer worked like a charm!
– Jereme
Feb 14 '19 at 14:54
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Get the (last part of) current directory name in C#
...String(indexOfLastSlash, oldString.length());
Code may be off (I haven't tested it) but the idea should work
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Is there a working C++ refactoring tool? [closed]
... build arbitrary source analysis tools. Examples include clone detection, test coverage, smart difference (comparision of source code structures and abstract editing operations rather than lines with simple insert and delete), etc.
What it is not (presently) is an interactive refactoring tool. We...