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Why can tuples contain mutable items?
...
@garg10may 1) Hashibility isn't easy to detect without calling hash() because everything that inherits from object() is hashable and so subclasses need to explicitly turn-off hashing. 2) Hashibility doesn't guarantee immutability -- it is easy to make examples of hashable object...
Using jQuery To Get Size of Viewport
...if(typeof $=='undefined') {
alert("PROGRAMMER'S Error: you haven't called JQuery library");
} else if (typeof $.ui=='undefined') {
alert("PROGRAMMER'S Error: you haven't installed the UI Jquery library");
}
if(document.doctype==null || screen.height < parseInt($(...
What are Vertex Array Objects?
...nk of it as a geometry object. (As an old time SGI Performer programmer, I call them geosets.) The instance variables/members of the object are your vertex pointer, normal pointer, color pointer, attrib N pointer, ...
When a VAO is first bound, you assign these members by calling
glEnableClientSta...
Python __str__ versus __unicode__
...icode_compatible
class SomeClass():
def __str__(self):
return "Called __str__"
if __name__ == "__main__":
some_inst = SomeClass()
print(some_inst)
if (version_info > (3,0)):
print("Python 3 does not support unicode()")
else:
print(unicode(some_inst))
...
How can I add “href” attribute to a link dynamically using JavaScript?
How can I add the href attribute to a link dynamically using JavaScript?
4 Answers
4...
Where is the “Fold” LINQ Extension Method?
I found in MSDN's Linq samples a neat method called Fold() that I want to use. Their example:
2 Answers
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What does the line “#!/bin/sh” mean in a UNIX shell script?
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It's called a shebang, and tells the parent shell which interpreter should be used to execute the script.
e.g.
#!/usr/bin/perl <--perl script'
#!/usr/bin/php <-- php script
#!/bin/false <--- do-nothing script, because...
How does one make an optional closure in swift?
...nc then(onFulfilled: ()->(), onReject: (()->())?){
if let callableRjector = onReject {
// do stuff!
}
}
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Setting up connection string in ASP.NET to SQL SERVER
...nnectionStrings["myConnectionString"].ConnectionString might be more technically correct.
– crush
Feb 5 '14 at 20:31
2
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JavaScript REST client Library [closed]
...it's fairly simple with most libraries. For example in jQuery you can just call the generic $.ajax function with the type of request you want to make:
$.ajax({
url: 'http://example.com/',
type: 'PUT',
data: 'ID=1&Name=John&Age=10', // or $('#myform').serializeArray()
success...