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How do I send a cross-domain POST request via JavaScript?
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Update: Before continuing everyone should read and understand the html5rocks tutorial on CORS. It is easy to understand and very clear.
If you control the server being POSTed, simply leverage the "Cross-Origin Resource Sharing standard" by setting response headers o...
MVVM: Tutorial from start to finish?
...th The Model-View-ViewModel Design Pattern by Josh Smith (duplicate link already provided by Yacoder)
Jason Dolinger's presentation on the Model-View-ViewModel (link to video embedded in article)
Dan Crevier's DataModel-View-ViewModel pattern series (similar to MVVM)
Composite WPF (Prism) Resource...
Multi-line string with extra space (preserved indentation)
...EOM
Line 1.
Line 2.
EOM
You could also store these lines to a variable:
read -r -d '' VAR << EOM
This is line 1.
This is line 2.
Line 3.
EOM
This stores the lines to the variable named VAR.
When printing, remember the quotes around the variable otherwise you won't see the newline charact...
“Large data” work flows using pandas
...f gigabytes of data in just this fashion
e.g. I have tables on disk that I read via queries, create data and append back.
It's worth reading the docs and late in this thread for several suggestions for how to store your data.
Details which will affect how you store your data, like:
Give as much de...
Inherit from a generic base class, apply a constraint, and implement an interface in C#
...ommendation: when you have a question about the syntax of the C# language, read the specification; that's why we publish it. You'll want to read section 10.1.
To answer your specific question, the order of things in a class declaration is:
attributes, in square brackets
modifiers ("public", "sta...
Code Golf: Lasers
...ng the way -- fortunately "6" is not a valid input char.
$_ = <>;
Read the board into $_.
$s="#";
$s is the symbol of whatever the beam is sitting on top of now. Since the laser emitter is to be treated like a wall, set this to be a wall to begin with.
if (tr/v<^/>v</) {
my $...
How can I check the syntax of Python script without executing it?
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import sys
filename = sys.argv[1]
source = open(filename, 'r').read() + '\n'
compile(source, filename, 'exec')
Save this as checker.py and run python checker.py yourpyfile.py.
share
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What does DIM stand for in Visual Basic and BASIC?
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I remember reading a gw-basic programming guide in the early 80's and I explicitly remember it explaining DIM meaning Declare In Memory. Reading the Darthmouth Basic guide from '64 has LET and READ statements assign variables and their...
Is it alright to use target=“_blank” in HTML5?
I recall reading somewhere that in HTML5 it was no longer okay to use target="_blank" in HTML5, but I can't find it now.
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Objective-C ARC: strong vs retain and weak vs assign
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After reading so many articles Stackoverflow posts and demo applications to check variable property attributes, I decided to put all the attributes information together:
atomic //default
nonatomic
strong=retain //d...