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Iterating over every two elements in a list
...works on sequences, the function works on any iterable; and this uses O(N) extra space, the function doesn't; on the other hand, this is generally faster. There are good reasons to pick one or the other; being afraid of import is not one of them.
– abarnert
Aug...
Checkout another branch when there are uncommitted changes on the current branch
...ash ID of each file. So Git can compare hash IDs—currently 160-bit-long strings—to decide if commits X and Y have the same file or not. It can then compare those hash IDs to the hash ID in the index, too.
This is what leads to all the oddball corner cases above. We have commits X and Y that ...
Modifying a subset of rows in a pandas dataframe
...at replacing 0s with an integer instead of np.nan. I wonder what takes the extra time.
– Alexander
Aug 21 '18 at 13:30
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How to break nested loops in JavaScript? [duplicate]
... loops to separate functions, it will run marginally slower because of the extra function calls.
– Tim Down
Oct 14 '09 at 10:39
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show 2 mor...
Get element inside element by class and ID - JavaScript
...ense. childNode.className.test("bar") There's no childNode variable, and a string doesn't have a test() method.
– user113716
Oct 19 '11 at 1:22
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What do the python file extensions, .pyc .pyd .pyo stand for?
... some rare cases result in malfunctioning programs. Currently only __doc__ strings are removed from the bytecode, resulting in more compact ‘.pyo’ files. Since some programs may rely on having these available, you should only use this option if you know what you're doing.
A program doesn't run...
Objective-C: difference between id and void *
...ning, not an error. Not only that, you can do this: int i = (int)@"Hello, string!"; and follow up with: printf("Sending to an int: '%s'\n", [i UTF8String]);. It's a warning, not an error (and not exactly recommended, nor portable). But the reason why you can do these things is all basic C.
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adding and removing classes in angularJs using ng-click
... also. Might not be 100% linked with the question scope but still provides extra useful information: stackoverflow.com/questions/31047094/…
– BiLaL
Oct 17 '16 at 9:33
add a ...
Filter Java Stream to 1 and only 1 element
... our objects in a List with the Collectors.toList() collector.
Applying an extra finisher at the end, that returns the single element — or throws an IllegalStateException if list.size != 1.
Used as:
User resultUser = users.stream()
.filter(user -> user.getId() > 0)
.collect(...
Signed versus Unsigned Integers
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He only asked about signed and unsigned. Don't know why people are adding extra stuff in this. Let me tell you the answer.
Unsigned: It consists of only non-negative values i.e 0 to 255.
Signed: It consist of both negative and positive values but in different formats like
0 to +127
-1 to -128
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