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How to create a tuple with only one element
...hon Docs:
A special problem is the construction of tuples containing 0 or 1 items: the syntax has some extra quirks to accommodate these. Empty tuples are constructed by an empty pair of parentheses; a tuple with one item is constructed by following a value with a comma (it is not sufficient to ...
What is the difference between procedural programming and functional programming? [closed]
I've read the Wikipedia articles for both procedural programming and functional programming , but I'm still slightly confused. Could someone boil it down to the core?
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Can you Run Xcode in Linux?
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The low-level toolchain for Xcode (the gcc compiler family, the gdb debugger, etc.) is all open source and common to Unix and Linux platforms. But the IDE--the editor, project management, indexing, navigation, build system, graphical debugger, visua...
Jackson with JSON: Unrecognized field, not marked as ignorable
...eed to convert a certain JSON string to a Java object. I am using Jackson for JSON handling. I have no control over the input JSON (I read from a web service). This is my input JSON:
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Ruby/Rails: converting a Date to a UNIX timestamp
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The code date.to_time.to_i should work fine. The Rails console session below shows an example:
>> Date.new(2009,11,26).to_time
=> Thu Nov 26 00:00:00 -0800 2009
>> Date.new(2009,11,26).to_time.to_i
=> 1259222400
>> Time.at(1259222400)...
Creating JS object with Object.create(null)?
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They are not equivalent. {}.constructor.prototype == Object.prototype while Object.create(null) doesn't inherit from anything and thus has no properties at all.
In other words: A javascript object inherits from Object by default, unless you explicitly create it...
Include intermediary (through model) in responses in Django Rest Framework
...ling with m2m / through models and their presentation in django rest framework. Let's take a classic example:
3 Answers
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Underscore: sortBy() based on multiple attributes
I am trying to sort an array with objects based on multiple attributes. I.e if the first attribute is the same between two objects a second attribute should be used to comapare the two objects. For example, consider the following array:
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How to get a resource id with a known resource name?
I want to access a resource like a String or a Drawable by its name and not its int id.
10 Answers
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Is there a way that I can check if a data attribute exists?
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}
NOTE this only returns true if the data attribute is not empty string or a "falsey" value e.g. 0 or false.
If you want to check for the existence of the data attribute, even if empty, do this:
if (typeof $("#dataTable").data('timer') !== 'undefined') {
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}
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