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What is content-type and datatype in an AJAX request?
...o application/json; charset=utf-8 is a common one, as is application/x-www-form-urlencoded; charset=UTF-8, which is the default.
dataType is what you're expecting back from the server: json, html, text, etc. jQuery will use this to figure out how to populate the success function's parameter.
If yo...
How can I split and parse a string in Python?
...fter the first split, use "2.7.0_bf4fda703454".split("_", 1).
If you know for a fact that the string contains an underscore, you can even unpack the LHS and RHS into separate variables:
In [8]: lhs, rhs = "2.7.0_bf4fda703454".split("_", 1)
In [9]: lhs
Out[9]: '2.7.0'
In [10]: rhs
Out[10]: 'bf4fd...
How to use shell commands in Makefile
...ILES)
Of course, that means that FILES will be set to "output from ls" before running any of the commands that create the .tgz files. (Though as Kaz notes the variable is re-expanded each time, so eventually it will include the .tgz files; some make variants have FILES := ... to avoid this, for e...
Does the JVM prevent tail call optimizations?
...supported, but it would probably require a new bytecode (see John Rose's informal proposal).
There is also more discussion in Sun bug #4726340, where the evaluation (from 2002) ends:
I believe this could be done nonetheless, but it is not a small task.
Currently, there is some work going on i...
Parsing IPv6 extension headers containing unknown extensions
... run into something you cannot parse, you have to make your decision or perform your action based on what you've parsed already.
The design is that way because in IPv6, each extension header "wraps" the rest of the packet. If you see the routing header, then some header you've never heard of, then ...
How can I make my own event in C#?
...xample
{
//First we have to define a delegate that acts as a signature for the
//function that is ultimately called when the event is triggered.
//You will notice that the second parameter is of MyEventArgs type.
//This object will contain information about the triggered event.
p...
In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?
...
I spent some time tracking this information down on my own, and I wanted to help others benefit from that effort. "To be crystal clear, it is not merely OK to ask and answer your own question, it is explicitly encouraged." blog.stackoverflow.com/2011/07/…
...
Is it possible to do start iterating from an element other than the first using foreach?
I'm thinking about implementing IEnumerable for my custom collection (a tree) so I can use foreach to traverse my tree. However as far as I know foreach always starts from the first element of the collection. I would like to choose from which element foreach starts. Is it possible to somehow chang...
Can anyone explain python's relative imports?
I can't for the life of me get python's relative imports to work. I have created a simple example of where it does not function:
...
Significance of a .inl file in C++
...a hint to the humans that might read it.
I use .inl files in two cases:
For definitions of inline functions.
For definitions of function templates.
In both cases, I put the declarations of the functions in a header file, which is included by other files, then I #include the .inl file at the bot...