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Functional programming - is immutability expensive? [closed]
...e {
val pivot = xs(xs.length/2)
val (small,big) = xs.partition(_ < pivot)
if (small.length == 0) {
val (bigger,same) = big.partition(_ > pivot)
same ++ fpSort(bigger)
}
else fpSort(small) ++ fpSort(big)
}
}
// Utility function to repeat so...
Explanation of strong and weak storage in iOS5
...lse". It's the "someone else" that is important.
Consider the following:
__strong id strongObject = <some_object>;
__weak id weakObject = strongObject;
Now we've got a two pointers to <some_object>, one strong and one weak. If we set strongObject to nil like so:
strongObject = nil;
...
Intro to GPU programming [closed]
...There are tons of cool materials to read.
http://www.nvidia.com/object/cuda_home.html
Hello world would be to do any kind of calculation using GPU.
Hope that helps.
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How to pip or easy_install tkinter on Windows
...nter these two commands:
>>> import tkinter
>>> tkinter._test()
This should pop up a small window; the first line at the top of the window should say "This is Tcl/Tk version 8.5"; make sure it is not 8.4!
2) Uninstall 64-bit Python and install 32 bit Python.
...
ASP.NET MVC 3: Override “name” attribute with TextBoxFor
...ame, use Name:
@Html.TextBoxFor(x => x.Data, new { Name = Model.Key + "_Data", id = Model.Key + "_Data" })
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How do I merge a git tag onto a branch
...
You mean this?
git checkout destination_branch
git merge tag_name
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int value under 10 convert to string two digit number
... on my form by name:
private void EmptyLabelArray()
{
var fmt = "Label_Row{0:00}_Col{0:00}";
for (var rowIndex = 0; rowIndex < 100; rowIndex++)
{
for (var colIndex = 0; colIndex < 100; colIndex++)
{
var lblName = String.Format(fmt, rowIndex, colIndex);
...
How to rename a file using Python
...3.7 ubuntu, works for me using relative paths
– toing_toing
Feb 28 '19 at 15:51
2
@toing_toing of...
How can I mock dependencies for unit testing in RequireJS?
...sinon.spy(function(name, req, onLoad) {
onLoad(i18n);
})
};
_.each(stubs, function(value, key) {
var stubName = 'stub' + key + cnt;
map[key] = stubName;
define(stubName, function() {
return value;
});
});
return require.config({
context: "context_" + c...
Comparing two dataframes and getting the differences
...identical rows and columns. In fact, all dataframes axes are compared with _indexed_same method, and exception is raised if differences found, even in columns/indices order.
If I got you right, you want not to find changes, but symmetric difference. For that, one approach might be concatenate dataf...