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How do I build a numpy array from a generator?
...length)
for i, el in enumerate(gimme()): my_array[i] = el
1 is probably what you're looking for. 2 is space inefficient, and 3 is time inefficient (you have to go through the generator twice).
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Difference between session affinity and sticky session?
What is the difference between session affinity and sticky session in context of load balancing servers?
7 Answers
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Why does scanf() need “%lf” for doubles, when printf() is okay with just “%f”?
...explicitly signalled to scanf as distinct from a pointer to float, because what the pointer points to is what matters.
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C# Passing Function as Argument [duplicate]
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What's your "funcToRun" method signature?
– kravits88
Sep 3 '15 at 10:12
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C++ Exceptions questions on rethrow of original exception
...copy-construction of a base class instance.
Simple program to illustrate what's happening:
#include <stdio.h>
struct MyErr {
MyErr() {
printf(" Base default constructor, this=%p\n", this);
}
MyErr(const MyErr& other) {
printf(" Base copy-constructor, this=%p from that=%...
Python progression path - From apprentice to guru
...l your old Python code with tons of higher order functions, recursion, and whatnot.
Annoy your cubicle mates every time they present you with a Python class. Claim it could be "better" implemented as a dictionary plus some functions. Embrace functional programming.
Rediscover the Strategy pattern ...
Argparse: Required argument 'y' if 'x' is present
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Thats what I ended up doing
– asudhak
Oct 16 '13 at 22:41
20
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How can I get Eclipse to show .* files?
...bout half an hour looking for the little arrow, until I actually looked up what the 'PHP Explorer' view is. Here is a screenshot:
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How to drop columns by name in a data frame
...hich(names(dat) %in% c("foo","bar"))] ## deletes all columns! Probably not what you wanted...
Instead use subset or the ! function:
dat[ , !names(dat) %in% c("z","u")] ## works as expected
dat[ , !names(dat) %in% c("foo","bar")] ## returns the un-altered data.frame. Probably what you want
I hav...
Why does CSS work with fake elements?
... in a team, the other members or new developer should instantly understand what you're trying to achieve . . . With invalid, made up tags, this can become very difficult...
– Pat Dobson
Dec 3 '13 at 15:57
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