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Can lambda functions be templated?
...auto x){}; // imaginary syntax
}
In a constrained template you can only call other constrained templates. (Otherwise the constraints couldn't be checked.) Can foo invoke bar(x)? What constraints does the lambda have (the parameter for it is just a template, after all)?
Concepts weren't ready to t...
Creating an empty Pandas DataFrame, then filling it?
...utocompletion), but that works with strings as date format, right? The overall approach works though (I changed index to something else).
– Matthias Kauer
Dec 15 '12 at 8:42
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How to paste yanked text into the Vim command line
...you know how to use them you cannot live without them.
Registers are basically storage locations for strings. Vim has many registers that work in different ways:
0 (yank register: when you use y in normal mode, without specifying a register, yanked text goes there and also to the default register...
php stdClass to array
...g functions). "But I already did this" you say. Not exactly - you used json_decode on the array, but you need to encode it with json_encode first.
Requirements
The json_encode and json_decode methods. These are automatically bundled in PHP 5.2.0 and up. If you use any older version there's also a ...
Read text file into string array (and write)
... is also quite useful when starting with a language removing the need initially to access a database. Does one exist in Golang?
e.g.
...
How to convert a string to utf-8 in Python
..."utf-8")
^ Converting to unicode and specifying the encoding.
In Python 3
All strings are unicode. The unicode function does not exist anymore. See answer from @Noumenon
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Turn a string into a valid filename?
I have a string that I want to use as a filename, so I want to remove all characters that wouldn't be allowed in filenames, using Python.
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How can I find the number of arguments of a Python function?
...ms = sig.parameters
print(params['kwarg1']) # prints: kwarg1=20
Additionally, you can call len on sig.parameters to also see the number of arguments this function requires:
print(len(params)) # 3
Each entry in the params mapping is actually a Parameter object that has further attributes makin...
Inversion of Control vs Dependency Injection
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IoC is a generic term meaning rather than having the application call the methods in a framework, the framework calls implementations provided by the application.
DI is a form of IoC, where implementations are passed into an object through constructors/setters/service lookups, which the ob...
How to Display blob (.pdf) in an AngularJS app
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First of all you need to set the responseType to arraybuffer. This is required if you want to create a blob of your data. See Sending_and_Receiving_Binary_Data. So your code will look like this:
$http.post('/postUrlHere',{myParams}, ...