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What's the difference between `on` and `live` or `bind`?
...*/ $(".foo").on("click", handler);
Use on like delegate (event delegation rooted in a given element):
/* Old: */ $("#container").delegate(".foo", "click", handler);
/* New: */ $("#container").on("click", ".foo", handler);
Use on like live (event delegation rooted in the document):
/* Old: */ $("...
Left Join With Where Clause
...worry about JOIN/WHERE in the main query.
Sometimes, this works faster in MySQL, but compare it against the LEFT JOIN form to see what works best for you.
SELECT s.*, c.value
FROM settings s
LEFT JOIN character_settings c ON c.setting_id = s.id AND c.character_id = '1'
...
Disable developer mode extensions pop up in Chrome
...ve it.
Click Pack extension. A .crx and .pem file will be created near the root directory of the extension. Install the extension using the .crx file and keep the .pem file safe.
Copy the .crx installed extension ID to the whitelist and restart Chrome.
The popup should be gone.
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Difference between jQuery parent(), parents() and closest() functions
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Begins with the parent element
Travels up the DOM tree to the document's root element, adding each
ancestor element to a temporary collection; it then filters that
collection based on a selector if one is supplied
The returned jQuery object contains zero, one, or multiple elements
.parent()
Give...
CSS: 100% font size - 100% of what?
...e "rem" instead of "em" to always scale a specific element relative to the root (html element, or browser default). Can be useful with a complex hierarchy of relatively-sized elements.
– Beejor
Aug 5 '16 at 1:16
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Android - Pulling SQlite database android device
...droid v4 or above, you can pull app data, including it's database, without root by using adb backup command, then extract the backup file and access the sqlite database.
First backup app data to your PC via USB cable with the following command, replace app.package.name with the actual package name ...
AngularJS Multiple ng-app within a page
...ocument. The first ng-app found in the document will be used to define the root element to auto-bootstrap as an application.
In other words, while it is technically possible to have several applications per page, only one ng-app directive will be automatically instantiated and initialized by the An...
Is there a way to get version from package.json in nodejs code?
... trying to grab this from different places (as I was), you can do require('root-require')('package.json').version
– mikermcneil
Jan 13 '14 at 2:40
6
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How much is the overhead of smart pointers compared to normal pointers in C++?
...t can't not help at all when you pass the pointer around. This is not the root of the problems.
– Lothar
Dec 24 '17 at 5:25
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Django import error - no module named django.conf.urls.defaults
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Check also if you have set ROOT_URLCONF in your settings.py! This variable has to also be adapted. In my case it was ROOT_URLCONF = 'urls' and had to be changed to ROOT_URLCONF = 'app.urls'
– Lukas Schulze
Mar 10 ...