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Python way of printing: with 'format' or percent form? [duplicate]
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Use the format method, especially if you're concerned about Python 3 and the future. From the documentation:
The formatting operations described here are modelled on C's printf()
syntax. They only support formatting of certain builtin types. The
use of a binary operator mean...
What is the inverse function of zip in python? [duplicate]
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349
lst1, lst2 = zip(*zipped_list)
should give you the unzipped list.
*zipped_list unpacks the ...
Creating NSData from NSString in Swift
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361
In Swift 3
let data = string.data(using: .utf8)
In Swift 2 (or if you already have a NSSt...
App Inventor 2 手机蓝牙及语音控制 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
来源：http://www.zsqz.com/chuangke/13.htm【学习目标】
1.掌握蓝牙客户端或服务端组件的使用；
2.学会编写手机蓝牙APP，并向Arduino发送控制指令；
3.学会编写手机语音控制程序，并能通过语音控制Arduino等设备。 【...
App Inventor 2 天气预报App开发 - 第三方API接入的通用方法 · App Inventor 2 中文网
...成功返回JSON示例
{
"code": "200",
"updateTime": "2021-11-15T16:35+08:00",
"fxLink": "http://hfx.link/2ax1",
"daily": [
{
"fxDate": "2021-11-15",
"sunrise": "06:58",
"sunset": "16:59",
"moonrise": "15:16",
"moonset": "03:40",
"moonPhase": "盈凸...
Converting array to list in Java
... the Arrays.asList utility method.
Integer[] spam = new Integer[] { 1, 2, 3 };
List<Integer> list = Arrays.asList(spam);
See this code run live at IdeOne.com.
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Flatten nested dictionaries, compressing keys
...;> flatten({'a': 1, 'c': {'a': 2, 'b': {'x': 5, 'y' : 10}}, 'd': [1, 2, 3]})
{'a': 1, 'c_a': 2, 'c_b_x': 5, 'd': [1, 2, 3], 'c_b_y': 10}
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Override ActiveRecord attribute methods
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answered Dec 18 '08 at 22:35
Aaron LongwellAaron Longwell
7,80355 gold badges1818 silver badges1010 bronze badges
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Peak signal detection in realtime timeseries data
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33 Answers
33
Active
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How to create has_and_belongs_to_many associations in Factory girl
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133
Here is the solution that works for me.
FactoryGirl.define do
factory :company do
#comp...