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What is the “continue” keyword and how does it work in Java?
...resort, and then to make sure their use is grouped together tightly at the start or end of the loop so that the next developer can see the "bounds" of the loop in one screen.
continue, break, and return (other than the One True Return at the end of your method) all fall into the general category o...
Best way to build a Plugin system with Java
... OSGi practices to do exactly what the OP wants. In swing too, not SWT. Webstarted as well. good starting resource: neilbartlett.name/blog
– basszero
Jan 21 '09 at 14:42
3
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Show constraints on tables command
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Beware that MariaDB starting with 10.2 will return awkward results here. jira.mariadb.org/browse/MDEV-15377
– stamster
Feb 24 '18 at 18:14
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try {} without catch {} possible in JavaScript?
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It's possible to have an empty catch block, without an error variable, starting with ES2019. This is called optional catch binding and was implemented in V8 v6.6, released in June 2018. The feature has been available since Node 10, Chrome 66, Firefox 58, Opera 53 and Safari 11.1.
The syntax is ...
Set environment variables from file of key/value pairs
...e tested this with bash 3.2.51(1)-release
Update:
To ignore lines that start with #, use this (thanks to Pete's comment):
export $(grep -v '^#' .env | xargs)
And if you want to unset all of the variables defined in the file, use this:
unset $(grep -v '^#' .env | sed -E 's/(.*)=.*/\1/' | xarg...
Paste multiple columns together
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# your starting data..
data <- data.frame('a' = 1:3, 'b' = c('a','b','c'), 'c' = c('d', 'e', 'f'), 'd' = c('g', 'h', 'i'))
# columns to paste together
cols <- c( 'b' , 'c' , 'd' )
# create a new column `x` with the three co...
Loader lock error
...came this error by creating the object-instance in an extra thread:
ThreadStart threadRef = new ThreadStart(delegate { m_ComObject = Activator.CreateInstance(Type.GetTypeFromProgID("Fancy.McDancy")); });
Thread myThread = new Thread(threadRef);
myThread.Start();
myThread.Join(); // for synchroniza...
How to change the default encoding to UTF-8 for Apache?
... by @Robbert earlier - if you are not already using .htaccess files, don't start now. There are performance & administrative reasons why this is a Bad Idea(tm)
– Signal15
Dec 10 '14 at 21:11
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Automatically open Chrome developer tools when new tab/new window is opened
...I was not able to find an option to keep Developer Tools always enabled on startup.
13 Answers
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PHP Array to CSV
...pen('php://memory','w');
$header=array("asdf ","asdf","asd","Calasdflee","Start Time","End Time" );
fputcsv($f,$header);
fputcsv($f,$header);
fputcsv($f,$header);
fseek($f,0);
header('content-type:text/csv');
header('Content-Disposition: attachment; filename="' . $filename . '";');
f...