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Android static object lifecycle
...h a bit of background: What happens when you start an application?
The OS starts a process and assigns it a unique process id and allocates a process table.A process start an instance of DVM(Dalvik VM); Each application runs inside a DVM.
A DVM manages class loading unloading, instance lifecycle...
?: operator (the 'Elvis operator') in PHP
...lse ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's called the Elvis operator.
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impr...
What is the purpose of the “Prefer 32-bit” setting in Visual Studio and how does it actually work?
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Microsoft has a blog entry What AnyCPU Really Means As Of .NET 4.5 and Visual Studio 11:
In .NET 4.5 and Visual Studio 11 the cheese has been moved. The
default for most .NET projects is again AnyCPU, but there is more than...
Android: AsyncTask vs Service
Why do I read in the answer to most questions here a lot about AsyncTask and Loaders but nothing about Services ? Are Services just not known very well or are they deprecated or have some bad attributes or something? What are the differences?
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What is the best django model field to use to represent a US dollar amount?
...s automatically from templates:
{{ somemodel.some_currency }}
Output:
$123.00
It has a powerful backend via python-money and it's essentially a drop-in replacement for standard decimal fields.
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Declare a constant array
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Just for clarification: the [...]T syntax is sugar for [123]T. It creates a fixed size array, but lets the compiler figure out how many elements are in it.
– jimt
Oct 30 '12 at 11:21
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Is there an equivalent to CTRL+C in IPython Notebook in Firefox to break cells that are running?
...ption sluggish or unreliable, and sometimes I have to restart the kernel, losing everything in memory.
5 Answers
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git diff file against its last change
... You can reference previous commits as HEAD^ (in your example this will be 123abc) or HEAD^^ (456def in your example), etc ...
So the answer to your question is:
git diff HEAD^^ myfile
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im...
Load and execute external js file in node.js with access to local variables?
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David WoleverDavid Wolever
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Associativity of “in” in Python?
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123
1 in [] in 'a' is evaluated as (1 in []) and ([] in 'a').
Since the first condition (1 in []...