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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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PHP: How to generate a random, unique, alphanumeric string for use in a secret link?
How would it be possible to generate a random, unique string using numbers and letters for use in a verify link? Like when you create an account on a website, and it sends you an email with a link, and you have to click that link in order to verify your account
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How to change file encoding in NetBeans?
...file in NetBeans IDE (ver 6.9.1), let's say from ANSII to UTF-8. How can I do that?
8 Answers
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What is the reason for performing a double fork when creating a daemon?
...esources in it which I am currently following, but I'm curious as to why a double fork is necessary. I've scratched around google and found plenty of resources declaring that one is necessary, but not why.
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How to trigger event when a variable's value is changed?
...myProperty = value;
if (_myProperty == 1)
{
// DO SOMETHING HERE
}
}
}
private int _myProperty;
This allows you to run some code any time the property value changes. You could raise an event here, if you wanted.
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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('<...
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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