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Why does comparing strings using either '==' or 'is' sometimes produce a different result?
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is is identity testing, == is equality testing. what happens in your code would be emulated in the interpreter like this:
>>> a = 'pub'
>>> b = ''.join(['p', 'u', 'b'])
>>> a == b
True
>>> a is b
False
so, no wonder they're not the sa...
What is the difference between null and undefined in JavaScript?
I want to know what the difference is between null and undefined in JavaScript.
33 Answers
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Python - Create a list with initial capacity
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What if the preallocation method (size*[None]) itself is inefficient? Does the python VM actually allocate the list at once, or grow it gradually, just like the append() would?
– haridsv
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How to wait in a batch script? [duplicate]
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seconds? milliseconds? minutes? what is the unit that it uses?
– Itay Levin
Aug 11 '14 at 14:36
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Styling an input type=“file” button
... type. the interval can display the value for the user so the user can see whats getting uploaded. the interval will clear when the form is submitted [EDIT] Sorry i have been very busy was meaning to update this post, here is an example
<form action="uploadScript.php" method="post" enctype="mult...
When to throw an exception?
...abstraction as the rest of your routine.
Exceptions should be reserved for what's truly exceptional.
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What is a callback function?
What is a callback function?
21 Answers
21
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SVN remains in conflict?
...out of conflict? I don't care if it's resolved using "theirs" or "mine" or whatever...
12 Answers
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How to delete a file via PHP?
...he term wrong which makes a big difference .. i agree it was idiotic.. but what i tried to mean is a coding example would be more helpful .. if i need to visit three other links to understand your reply is it very helpful ? ..sorry again for the wrong word.. i am not from english speaking country ....
What is the simplest way to get indented XML with line breaks from XmlDocument?
When I build XML up from scratch with XmlDocument , the OuterXml property already has everything nicely indented with line breaks. However, if I call LoadXml on some very "compressed" XML (no line breaks or indention) then the output of OuterXml stays that way. So ...
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