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Do you need text/javascript specified in your tags?
...e 1 and Mosaic. It has not been necessary for many years. <!-- //--> is supposed to signal an HTML comment. Comments should be ignored, not compiled and executed. Also, HTML comments are not to include --, so a script that decrements has an HTML error.
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type="text/javascript"
Th...
Why are these constructs using pre and post-increment undefined behavior?
...s are syntactically valid but you can't predict the behavior when the code is run.
As far as I know, the standard doesn't explicitly say why the concept of undefined behavior exists. In my mind, it's simply because the language designers wanted there to be some leeway in the semantics, instead of i...
Why would iterating over a List be faster than indexing through it?
Reading the Java documentation for the ADT List it says:
5 Answers
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How does facebook, gmail send the real time notification?
I have read some posts about this topic and the answers are comet, reverse ajax, http streaming, server push, etc.
5 Answer...
How does free know how much to free?
...o not have to pass the size to the free function. Why not, and can I use this same technique in my own functions to save me from needing to cart around the extra variable of the array's length?
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What is the max size of localStorage values?
... need to be stringified (stored as JSON-string) before they can be stored, is there a defined limitation regarding the length of the values.
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When to favor ng-if vs. ng-show/ng-hide?
...t the class set on an element and that ng-if controls whether an element is rendered as part of the DOM.
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Where is C not a subset of C++? [closed]
I read in a lot of books that C is a subset of C++.
12 Answers
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Difference between char* and const char*?
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char* is a mutable pointer to a mutable character/string.
const char* is a mutable pointer to an immutable character/string. You cannot change the contents of the location(s) this pointer points to. Also, compilers are required to...
What's the difference between a Python module and a Python package?
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A module is a single file (or files) that are imported under one import and used.
e.g.
import my_module
A package is a collection of modules in directories that give a package hierarchy.
from my_package.timing.danger.internets im...