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Retrieve only the queried element in an object array in MongoDB collection
...y only return the array "shapes" and it won't return other fields. Anyone knows how to return other fields also?
– Mark Thien
Jul 29 '16 at 0:24
1
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Where can I learn how to write C code to speed up slow R functions? [closed]
...t's the best resource for learning how to write C code for use with R? I know about the system and foreign language interfaces section of R extensions, but I find it pretty hard going. What are good resources (both online and offline) for writing C code for use with R?
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Render partial from different folder (not shared)
...l.ControllerContextRegion("Foo")) {
// Html.Action, Html.Partial, etc. now looks things up as though
// FooController was our controller.
}
There may be unwanted side effects for this if your code requires the controller route component to not change, but in our code so far, there doesn't ...
How can I recognize touch events using jQuery in Safari for iPad? Is it possible?
...tically passed to the handler. For the safari browser (and android too) it now contains an array of all the touches the user has made on the screen. Each touch has its own properties (x,y coords for example)
– David Pean
Jan 21 '11 at 6:05
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My attempt at value initialization is interpreted as a function declaration, and why doesn't A a(())
Among the many things Stack Overflow has taught me is what is known as the "most vexing parse", which is classically demonstrated with a line such as
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pytest: assert almost equal
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py.test now has a feature that does this. I've added an answer discussing it.
– dbn
Nov 3 '16 at 18:36
2
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Python: Tuples/dictionaries as keys, select, sort
...a', color='red')
>>> f.name
'banana'
>>> f.color
'red'
Now you can use your fruitcount dict:
>>> fruitcount = {Fruit("banana", "red"):5}
>>> fruitcount[f]
5
Other tricks:
>>> fruits = fruitcount.keys()
>>> fruits.sort()
>>> print f...
Why isn't `int pow(int base, int exponent)` in the standard C++ libraries?
...ults, but we've ascertained that it's at least one-quarter of all inputs.
Now let's look at a fixed-width (i.e. non-bignum) integer power function. For what portion inputs does it not simply overflow? To maximize the number of meaningful input pairs, the base should be signed and the exponent uns...
Cannot push to Git repository on Bitbucket
...trange error. I've used Git before on Bitbucket but I just reformatted and now I can't seem to get Git to work. After doing a commit, I had to add my email and name to the globals, but then it committed just fine.
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Change MySQL default character set to UTF-8 in my.cnf?
...utf8
If you want to change the character set for an existing DB, let me know... your question didn't specify it directly so I am not sure if that's what you want to do.
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