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What is the difference between the GNU Makefile variable assignments =, ?=, := and +=?
Can anybody give a clear explanation of how variable assignment really works in Makefiles.
6 Answers
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How to select between brackets (or quotes or …) in Vim?
...this kinda stuff, but now that I need it, I can't seem to find it (naturally), so I'll just ask nice and simple.
9 Answers
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How to set a stroke-width:1 on only certain sides of SVG shapes?
... stroke-width: 1 on a <rect> element in SVG places a stroke on every side of the rectangle.
3 Answers
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What is the difference between “def” and “val” to define a function
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Method def even evaluates on call and creates new function every time (new instance of Function1).
def even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = false
val even: Int => Boolean = _ % 2 == 0
even eq even
//Boolean = true
With def you can get new function on every...
Best way to check if UITableViewCell is completely visible
...e a UITableView with cells of different heights and I need to know when they are completely visible or not.
10 Answers
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python plot normal distribution
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import matplotlib.pyplot as plt
import numpy as np
import scipy.stats as stats
import math
mu = 0
variance = 1
sigma = math.sqrt(variance)
x = np.linspace(mu - 3*sigma, mu + 3*sigma, 100)
plt.plot(x, stats.norm.pdf(x, mu, sigma))
plt.show()
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Delegates: Predicate vs. Action vs. Func
Can someone provide a good explanation (hopefully with examples) of these 3 most important delegates:
8 Answers
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What is the best way to get all the divisors of a number?
Here's the very dumb way:
16 Answers
16
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Haskell, Lisp, and verbosity [closed]
For those of you experienced in both Haskell and some flavor of Lisp, I'm curious how "pleasant" (to use a horrid term) it is to write code in Haskell vs. Lisp.
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STL 算法 - C/C++ - 清泛网 - 专注C/C++及内核技术
... Pred> FwdIt adjacent_find(FwdIt first, FwdIt last, Pred pr);
binary_search
<algorithm>
在有序序列中查找value,找到返回true.重载的版本实用指定的比较函数对象或函数指针来判断相等
函数原形
template<class FwdIt, class T> bool binary_search(F...