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How do I get a distinct, ordered list of names from a DataTable using LINQ?
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static allocation in java - heap, stack and permanent generation
...ected my concepts, and I would request to go through all of the points and comment on them. I came to know that memory allocation is JVM specific, so I must say beforehand, that my question is Sun specific.
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How to send a JSON object using html form data
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Get complete form data as array and json stringify it.
var formData = JSON.stringify($("#myForm").serializeArray());
You can use it later in ajax. Or if you are not using ajax; put it in hidden textarea and pass to server. If ...
Understanding the difference between __getattr__ and __getattribute__
...ame of the attribute in advance).
For example, instance.attribute would become getattr(instance, attribute_name). Using this model, we can get the attribute by supplying the attribute_name as a string.
Use of __getattr__
You can also tell a class how to deal with attributes which it doesn't expl...
Which Boost features overlap with C++11?
...Y is called Neumann function in C++)
spherical Bessel (j / y) functions
(incomplete / complete) elliptic integrals of (first / second / third kind)
Riemann zeta function
exponential integral Ei
Variant → std::variant (P0088R2)
The standard team is still working on it:
Math Common Factor → s...
Where to place $PATH variable assertions in zsh?
...ences between:
~/.zshrc, ~/.zshenv and ~/.zprofile.
Regarding my comment
In my comment attached to the answer kev gave, I said:
This seems to be incorrect - /etc/profile isn't listed in any zsh documentation I can find.
This turns out to be partially incorrect: /etc/profile may be s...
Foreign Key to non-primary key
... Related to your last question... I have a situation where I'd like composite candidate keys to be the primary key just because it semantically has more importance and describes my model best. I too would like to have a foreign key reference a newly created surrogate key for the sake of perf...
Difference between RegisterStartupScript and RegisterClientScriptBlock?
...ion using the former method (or add a client side attribute).
Edit after comments:
For instance, the following function would work:
protected void btnPostBack2_Click(object sender, EventArgs e)
{
System.Text.StringBuilder sb = new System.Text.StringBuilder();
sb.Append("<script langu...
What exactly is Python's file.flush() doing?
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Addendum in 2018.
Note that disks with cache mechanisms is now much more common than back in 2013, so now there are even more levels of caching and buffers involved. I assume these buffers will be handled by the sync/flush calls as well, but I don't really know.
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Implementing slicing in __getitem__
... the start, stop, and step members of the slice object in order to get the components for the slice.
>>> class C(object):
... def __getitem__(self, val):
... print val
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>>> c = C()
>>> c[3]
3
>>> c[3:4]
slice(3, 4, None)
>>> c[3:4:-2]
slice(3, ...