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Checking if a key exists in a JavaScript object?
How do I check if a particular key exists in a JavaScript object or array?
22 Answers
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Programmatically change log level in Log4j2
... changing the log level in Log4j2. I tried looking at their configuration documentation but that didn't seem to have anything. I also tried looking in the package: org.apache.logging.log4j.core.config , but nothing in there looked helpful either.
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Why is C so fast, and why aren't other languages as fast or faster? [closed]
...put another way: what's to stop other languages from being able to compile down to binary that runs every bit as fast as C?
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How to get the source directory of a Bash script from within the script itself?
How do I get the path of the directory in which a Bash script is located, inside that script?
67 Answers
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Send email using the GMail SMTP server from a PHP page
...ort' => '465',
'auth' => true,
'username' => 'johndoe@gmail.com',
'password' => 'passwordxxx'
));
$mail = $smtp->send($to, $headers, $body);
if (PEAR::isError($mail)) {
echo('<p>' . $mail->getMessage() . '</p>');
} else {
echo('<...
Formatting numbers (decimal places, thousands separators, etc) with CSS
...ber formats, e.g. latin, arabic, etc.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Number/toLocaleString
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lose vim colorscheme in tmux mode
...running iterm2 and when I'm in tmux mode the colorscheme I have set in vim does not show up. Only the color scheme I've set in iterm. If I run vim from shell the colorscheme appears correct - its only when I'm in tmux mode.
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Best way to write to the console in PowerShell
... being assigned to a variable (or redirected) into Out-Host. What Out-Host does is obviously host-dependent.
Just letting things fall out of the pipeline is not a substitute for Write-Host which exists for the sole reason of outputting text in the host application.
If you want output, then use the...
How to extract one column of a csv file
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If you are a lucky guy using GNU Tools in Windows, you can execute the same comand as @IgorMikushkin as follows: gawk -F"|" "{print $13}" files*.csv
– Elidio Marquina
May 25 '17 at 18:33
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Using comma as list separator with AngularJS
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You could do it this way:
<b ng-repeat="email in friend.email">{{email}}{{$last ? '' : ', '}}</b>
..But I like Philipp's answer :-)
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