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Can you delete multiple branches in one command with Git?
...lean up my local repository, which has a ton of old branches: for example 3.2 , 3.2.1 , 3.2.2 , etc.
29 Answers
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Iterate a list with indexes in Python
...ld swear I've seen the function (or method) that takes a list, like this [3, 7, 19] and makes it into iterable list of tuples, like so: [(0,3), (1,7), (2,19)] to use it instead of:
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How to find third or nth maximum salary from salary table?
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83
Use ROW_NUMBER(if you want a single) or DENSE_RANK(for all related rows):
WITH CTE AS
(
SEL...
Is there an equivalent for the Zip function in Clojure Core or Contrib?
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(map vector '(1 2 3) '(4 5 6))
does what you want:
=> ([1 4] [2 5] [3 6])
Haskell needs a collection of zipWith (zipWith3, zipWith4, ...) functions, because they all need to be of a specific type; in particular, the number of input lis...
栈和队列的面试题Java实现 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...队列的如下考试内容：（1）栈的创建（2）队列的创建（3）两个栈实现一...栈和队列：
面试的时候，栈和队列经常会成对出现来考察。本文包含栈和队列的如下考试内容：
（1）栈的创建
（2）队列的创建
（3）两个栈实现一...
How to remove specific elements in a numpy array
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306
Use numpy.delete() - returns a new array with sub-arrays along an axis deleted
numpy.delete(a...
How does one reorder columns in a data frame?
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354
Your dataframe has four columns like so df[,c(1,2,3,4)].
Note the first comma means keep all t...
Get the Row(s) which have the max count in groups using groupby
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341
In [1]: df
Out[1]:
Sp Mt Value count
0 MM1 S1 a 3
1 MM1 S1 n 2
2 ...
Deep copy of a dict in python
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How about:
import copy
d = { ... }
d2 = copy.deepcopy(d)
Python 2 or 3:
Python 3.2 (r32:88445, Feb 20 2011, 21:30:00) [MSC v.1500 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import copy
>>> my_dict = {'a': [1, 2, 3], 'b...