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python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
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This answer is now obsolete. See @Ted Petrou's answer below.
– cxrodgers
Apr 27 '17 at 22:26
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Transpose list of lists
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list(map(list, zip(*l)))
Explanation:
There are two things we need to know to understand what's going on:
The signature of zip: zip(*iterables) This means zip expects an arbitrary number of arguments each of which must be iterable. E.g. zip([1, 2], [3, 4], [5, 6]).
Unpacked argument lists: Giv...
Convert Unicode to ASCII without errors in Python
...t declarations match the actual content. (Which is a PITA, yeah, I should know, I was one of those before).
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Merge up to a specific commit
I created a new branch named newbranch from the master branch in git. Now I have done some work and want to merge newbranch to master ; however, I have made some extra changes to newbranch and I want to merge newbranch up to the fourth-from-the-last commit to master .
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What is the difference between Serialization and Marshaling?
I know that in terms of several distributed techniques (such as RPC), the term "Marshaling" is used but don't understand how it differs from Serialization. Aren't they both transforming objects into series of bits?
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Echo tab characters in bash script
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Do you happen to know, why echo -e does not work from Makefiles?
– dma_k
Oct 17 '10 at 0:01
24
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How do I use WebStorm for Chrome Extension Development?
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UPDATE 2:
It's now supported out of the box, see the complete answer below.
UPDATE:
There is a more complete stub file that can be added as a library to get code completion. It's a part of the Closure Compiler project. Download chrome_e...
A monad is just a monoid in the category of endofunctors, what's the problem?
...nsformation, μ : T × T → T, where × means functor composition (μ is known as join in Haskell)
A natural transformation, η : I → T, where I is the identity endofunctor on X (η is known as return in Haskell)
...satisfying these laws:
μ ∘ Tμ = μ ∘ μT
μ ∘ Tη = μ ∘ ηT = 1 (the...
社交应用组件 · App Inventor 2 中文网
...化：
when 按钮_查询.Click() {
日历日程1.GetEvents(计时器1.Now(), 计时器1.AddDays(计时器1.Now(), 7))
}
when 日历日程1.GotEvents(日程列表) {
var lines = []
foreach ev in 日程列表 {
listAdd(lines, join(计时器1.FormatDateTime(计时器1.MakeInstantFromMillis...
Visual Studio 64 bit?
...port of that
much native code is going to be quite high and of course all known
extensions would break and we’d basically have to create a 64 bit
ecosystem pretty much like you do for drivers. Ouch.
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