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Case conventions on element names?
...tend to use lower case with hyphens.
There is a philosophical distinction between seeing XML as a format for platform neutral documents, which W3C standards try to encourage, and languages such as XAML which see XML as a serialisation of a platform specific object graph.
If you're not using XML as...
How to filter Pandas dataframe using 'in' and 'not in' like in SQL
...to_keep)
0 False
1 True
2 False
3 True
Name: country, dtype: bool
>>> df[df.country.isin(countries_to_keep)]
country
1 UK
3 China
>>> df[~df.country.isin(countries_to_keep)]
country
0 US
2 Germany
...
Fastest way to check if a string matches a regexp in ruby?
... is the fastest way to check if a string matches a regular expression in Ruby?
7 Answers
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How to insert an item into an array at a specific index (JavaScript)?
...
What you want is the splice function on the native array object.
arr.splice(index, 0, item); will insert item into arr at the specified index (deleting 0 items first, that is, it's just an insert).
In this example we will create an array and add an element to it into index 2:
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What is the optimal Jewish toenail cutting algorithm?
...simply put their feet in it and run it instead of having to manually do it by biting them or using nail clippers.
6 Answers...
CGRidCtrl控件 学习心得 - C/C++ - 清泛网 - 专注C/C++及内核技术
... CGridCtrl类... 4
2.3.2 CGridCellCheck类... 5
2.3.3 CGridCellCombo类... 7
2.4 控件类CGridCtrl常用函数说明... 10
2.4.1 行和列的设置... 10
2.4.2 单元格信息设置... 13
2.4.3 控件操作... 16
2.4.4 外观和特征设置... 20
2.4...
PHPUnit: assert two arrays are equal, but order of elements not important
What is a good way to assert that two arrays of objects are equal, when the order of the elements in the array is unimportant, or even subject to change?
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How to make a chain of function decorators?
...rs work. Here is what you asked for:
from functools import wraps
def makebold(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
return "<b>" + fn(*args, **kwargs) + "</b>"
return wrapped
def makeitalic(fn):
@wraps(fn)
def wrapped(*args, **kwargs):
retur...
Make copy of an array
I have an array a which is constantly being updated. Let's say a = [1,2,3,4,5] . I need to make an exact duplicate copy of a and call it b . If a were to change to [6,7,8,9,10] , b should still be [1,2,3,4,5] . What is the best way to do this? I tried a for loop like:
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