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How do I disable a jquery-ui draggable?
...docs for draggable() are here. Same goes for sortable() objects (if you're allowing drag-n-drop reordering.)
– nickb
Apr 7 '11 at 2:52
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String, StringBuffer, and StringBuilder
...o, using String for logic operations is rather slow, and is not advised at all, since the JVM converts the String to a StringBuffer in the bytecode. A lot of overhead is wasted converting from String to StringBuffer and then back to String again.
– Pieter van Niekerk
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
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This problem stems from an improper Java installation.
Possibility 1
NOTE: This scenario only applies to Java 8 and prior. Beginning with Java 9, the JRE is structured differently. rt.jar and friends no longer exist, and Pack200 is no longer used.
The Java standa...
MongoDB: How to update multiple documents with a single command?
...: 'field1', field2: 'field2'})
New in version 3.2
Params::
{}: select all records updated
Keyword argument multi not taken
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ReactJS: Modeling Bi-Directional Infinite Scrolling
...following:
Overview
Make a <List> component that takes an array of all children. Since we do not render them, it's really cheap to just allocate them and discard them. If 10k allocations is too big, you can instead pass a function that takes a range and return the elements.
<List>
{...
How to define optional methods in Swift protocol?
...an take advantage of powerful generics system.
You can always be sure that all requirements are met when encountering types that conform to such protocol. It's always either concrete implementation or default one. This is how "interfaces" or "contracts" behave in other languages.
Disadvantages
F...
How do I get the full url of the page I am on in C#
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I usually use Request.Url.ToString() to get the full url (including querystring), no concatenation required.
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Stop jQuery .load response from being cached
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All this cache: false does is append a number (I believe its a timestamp) to the end of a url when making the request. The other place to handle the cache settings are from the server or web app by setting various HTTP respo...
Understanding __get__ and __set__ and Python descriptors
...th the Temperature class). For example:
temp=Temperature()
temp.celsius #calls celsius.__get__
Accessing the property you assigned the descriptor to (celsius in the above example) calls the appropriate descriptor method.
instance in __get__ is the instance of the class (so above, __get__ would r...
Is ASCII code 7-bit or 8-bit?
...ans it can be fit into 7-bits. So can't it be argued that ASCII bit is actually 7-bit code?
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