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How does this checkbox recaptcha work and how can I use it?
...APTCHA”
Google reCAPTCHA: Introducing the new reCAPTCHA!
This is a JavaScript based CAPTCHA.
Since most spambots do not execute JavaScript and can not identify the correlation between the displayed text and the DOM or required actions they can not click on the checkbox.
Please note that there ...
What's the difference between [ and [[ in Bash? [duplicate]
...and. It has several enhancements that make it a better choice if you write scripts that target bash. My favorites are:
It is a syntactical feature of the shell, so it has some special behavior that [ doesn't have. You no longer have to quote variables like mad because [[ handles empty strings and ...
Get attribute name value of
...getAttribute("name");
My results:
jQuery: 300k operations / second
JavaScript: 11,000k operations / second
You can test for yourself here. The "plain JavaScript" vesion is over 35 times faster than the jQuery version.
Now, that's just for one operation, over time you will have more and more s...
Calling a function every 60 seconds
... call that within setTimeout because arguments.callee is deprecated in ecmascript 5.
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JavaScript string encryption and decryption?
...use that will encrypt and decrypt information on the client side using JavaScript. The encrypted information will be stored in a database on a server, but never the decrypted version.
...
Highlight a word with jQuery
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Try highlight: JavaScript text highlighting jQuery plugin. ! Warning - The source code available on this page contains a crypto currency mining script, either use the code below or remove the mining script from the download on the website. !
/...
Assigning default values to shell variables with a single command in bash
I have a whole bunch of tests on variables in a bash (3.00) shell script where if the variable is not set, then it assigns a default, e.g.:
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Linux equivalent of the Mac OS X “open” command [closed]
...open " and not your terminal covered in messages you don't need:
Create a script called open in ~/bin, the content is just:
xdg-open "$1" &> /dev/null &
Save and close the script, then type "source .profile" (or .bash_profile if relevant).
Thats it so typing "open Music" will open you...
Get the current year in JavaScript
How do I get the current year in JavaScript?
8 Answers
8
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PDO closing connection
...this
explicitly, PHP will automatically close the connection when your
script ends.
Note that if you initialise the PDO object as a persistent connection it will not automatically close the connection.
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