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What is tail call optimization?

... Probably the best high level description I have found for tail calls, recursive tail calls and tail call optimization is the blog post "What the heck is: A tail call" by Dan Sugalski. On tail call optimization he writes: Consider, for a moment, th...
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How to show multiline text in a table cell

...-lines, without losing other text properties or formatting. An example in php would be $text = str_replace("\n","<br />",$database_text); You can also use <p></p> or <div></div>, but this requires a bit more text parsing. ...
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Can I set subject/content of email using mailto:?

...nt-issue">Send email</a> And most generally, here is a simple PHP script that encodes per the above. <?php $encodedTo = rawurlencode($message->to); $encodedSubject = rawurlencode($message->subject); $encodedBody = rawurlencode($message->body); $uri = "mailto:$encodedTo?subj...
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jQuery - add additional parameters on submit (NOT ajax)

... this one. worked well for me $("#registerform").attr("action", "register.php?btnsubmit=Save") $('#registerform').submit(); this will submit btnsubmit =Save as GET value to register.php form. share | ...
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Freeze the top row for an html table only (Fixed Table Header Scrolling) [duplicate]

...alue</div> </th> <th> Description <div>Description</div> </th> </tr> </thead> <tbody> <tr> <td>align</td> <td&gt...
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Sending emails with Javascript

...ta of your SMTP server, It's best to do it on the server side with Node or PHP, thanks equally – jcarlosweb Nov 26 '18 at 13:49 ...
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How to cancel a local git commit

...low response. Unstaged changes after reset: M application/config/config.php M application/config/database.php share | improve this answer | follow | ...
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Git Checkout warning: unable to unlink files, permission denied

... I was having the issue with a default-settings.php file in drupal 7. In this case I wasn't able to delete it or revert it just like @rtconner said. I didn't have an application or anything using this file, and it ended up being a permissions error. I added chmod 777 * to...
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How to process each line received as a result of grep command

...nd | grep --line-buffered "your search" Real life exemple with a Symfony PHP Framework router debug command ouput, to grep all "api" related routes: php bin/console d:r | grep --line-buffered "api" share | ...
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Using Vim's tabs like buffers

...tunately clouds the extra power that you have within a tab page. The first description that I understood was from @crenate's answer is that they are the equivalent to multiple desktops. When seen in that regard you'd only ever have a couple of desktops open but have lots of GUI windows open within e...