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How to handle floats and decimal separators with html5 input type number
Im building web app which is mainly for mobile browsers. Im using input fields with number type, so (most) mobile browsers invokes only number keyboard for better user experience. This web app is mainly used in regions where decimal separator is comma, not dot, so I need to handle both decimal separ...
Difference between SPI and API?
...l.
Put differently, the API tells you what a specific class/method does for you, and the SPI tells you what you must do to conform.
Usually API and SPI are separate. For example, in JDBC the Driver class is part of the SPI: If you simply want to use JDBC, you don't need to use it directly, but ev...
Will Emacs make me a better programmer? [closed]
...hinking that using Tiger Woods's golf clubs will make you a better golfer, or using Eddie Van Halen's guitar will make you a better musician.
– Kristopher Johnson
Jun 26 '09 at 11:24
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What is a 'thunk'?
...ction) instead of returning to its caller. Assuming the JUMP target is a normal function, when it returns, it will return to the thunk's caller.
Thunks can be used to implement lots of useful things efficiently
protocol translation -- when calling from code that uses one calling convention to co...
Default value of a type at Runtime [duplicate]
For any given type i want to know its default value.
6 Answers
6
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Using @property versus getters and setters
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Prefer properties. It's what they're there for.
The reason is that all attributes are public in Python. Starting names with an underscore or two is just a warning that the given attribute is an implementation detail that may not stay the same in future versions of the...
How to check if function exists in JavaScript?
...typeof me.onChange !== "undefined") {
// safe to use the function
}
or better yet (as per UpTheCreek upvoted comment)
if (typeof me.onChange === "function") {
// safe to use the function
}
share
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How can I force division to be floating point? Division keeps rounding down to 0?
... int. In Python 3, it produces a float. We can get the new behaviour by importing from __future__.
>>> from __future__ import division
>>> a = 4
>>> b = 6
>>> c = a / b
>>> c
0.66666666666666663
...
Are delphi variables initialized with a value by default?
...ehaviour:
Object fields are always initialized to 0, 0.0, '', False, nil or whatever applies.
Global variables are always initialized to 0 etc as well;
Local reference-counted* variables are always initialized to nil or '';
Local non reference-counted* variables are uninitialized so you have to as...
What is the difference between an expression and a statement in Python?
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Expressions only contain identifiers, literals and operators, where operators include arithmetic and boolean operators, the function call operator () the subscription operator [] and similar, and can be reduced to some kind of "value", which can be any Python object. Examples:
3 ...