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Getting an empty JQuery object
In the following code I set up a change handler on a select box to show and hide some follow up questions based on the value of the selection.
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Highlight all occurrence of a selected word?
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In Normal mode:
:set hlsearch
Then search for a pattern with the command / in Normal mode, or <Ctrl>o followed by / in Insert mode. * in Normal mode will search for the next occurrence of the word under the cursor. The hlsearch option will highlight all of them if set. # will search for ...
Default value in Go's method
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Also this discussion with official statement and this related question.
– nemo
Oct 26 '13 at 23:13
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How can you check for a #hash in a URL using JavaScript?
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Also, location properties like .hash and .query are also available on <a> elements
– Gareth
Jul 30 '10 at 13:52
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When is a C++ destructor called?
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1) If the object is created via a pointer and that pointer is later deleted or given a new address to point to, does the object that it was pointing to call its destructor (assuming nothing else is pointing to it)?
It depends on the type of pointers. For example, s...
jQuery autocomplete tagging plug-in like StackOverflow's input tags? [closed]
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In order of activity, demos/examples available, and simplicity:
(demo) https://github.com/yairEO/tagify
(demo) https://github.com/aehlke/tag-it
(demo) http://ioncache.github.com/Tag-Handler/
(demo) http://textextjs.com/
(demo) https://github.com/webworka/Tagedit
(demo) h...
Change Active Menu Item on Page Scroll?
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If your menu has a mix of on-page IDs and regular pages, place the on-page ID links first, then change menuItems = topMenu.find("a"), to menuItems = topMenu.find("a").slice(0,4),, replacing 4 with [your on-page links - 1].
– Stephen Saucier
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What does git push -u mean?
...entral one. That way, in the future, Git "knows" where you want to push to and where you want to pull from, so you can use git pull or git push without arguments. A little bit down, this article explains and demonstrates this concept.
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Animated loading image in picasso
...gh is an animated spinning progress bar style spinner that animates around and around while the image is loading, like I see in most professional apps. Picasso doesn't seem to support this, only static image drawables. Is there a way to get it working with Picasso or do I have to do something differ...
json_encode() escaping forward slashes
...json_encode($str, JSON_UNESCAPED_SLASHES);
If you don't have PHP 5.4 at hand, pick one of the many existing functions and modify them to your needs, e.g. http://snippets.dzone.com/posts/show/7487 (archived copy).
Example Demo
<?php
/*
* Escaping the reverse-solidus character ("/", slash) is ...