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Loading cross-domain endpoint with AJAX
...trying to load a cross-domain HTML page using AJAX but unless the dataType is "jsonp" I can't get a response. However using jsonp the browser is expecting a script mime type but is receiving "text/html".
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Begin, Rescue and Ensure in Ruby?
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Yes, ensure ensures that the code is always evaluated. That's why it's called ensure. So, it is equivalent to Java's and C#'s finally.
The general flow of begin/rescue/else/ensure/end looks like this:
begin
# something which might raise an exception
rescu...
Why must a nonlinear activation function be used in a backpropagation neural network? [closed]
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The purpose of the activation function is to introduce non-linearity into the network
in turn, this allows you to model a response variable (aka target variable, class label, or score) that varies non-linearly with its explanatory variables
non-linear means that...
What does value & 0xff do in Java?
...bits of value in the lowest 8 bits of result.
The reason something like this is necessary is that byte is a signed type in Java. If you just wrote:
int result = value;
then result would end up with the value ff ff ff fe instead of 00 00 00 fe. A further subtlety is that the & is defined to o...
Git fetch remote branch
...ecent versions of Git:
git checkout --track origin/daves_branch
--track is shorthand for git checkout -b [branch] [remotename]/[branch] where [remotename] is origin in this case and [branch] is twice the same, daves_branch in this case.
For Git 1.5.6.5 you needed this:
git checkout --track -b d...
How to get a string after a specific substring?
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The easiest way is probably just to split on your target word
my_string="hello python world , i'm a beginner "
print my_string.split("world",1)[1]
split takes the word(or character) to split on and optionally a limit to the number of spl...
How to parse freeform street/postal address out of text, and into components
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I saw this question a lot when I worked for an address verification company. I'm posting the answer here to make it more accessible to programmers who are searching around with the same question. The company I was at processed billio...
Can someone explain __all__ in Python?
...__all__ set in different __init__.py files. Can someone explain what this does?
11 Answers
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What is that “total” in the very first line after ls -l? [closed]
What is the total in the output of ls -l ?
4 Answers
4
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Why would I make() or new()?
...literals.
new can be used to allocate values such as integers, &int is illegal:
new(Point)
&Point{} // OK
&Point{2, 3} // Combines allocation and initialization
new(int)
&int // Illegal
// Works, but it is less convenient to write than new(int)
var i int
&i
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