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What is the optimal Jewish toenail cutting algorithm?
...ule. Luckily, humans only have five toes per foot*, so there are only 5! = 120 unrestricted sequences.
Python example:
#seq is only valid when consecutive elements in the list differ by at least two.
def isValid(seq):
for i in range(len(seq)-1):
a = seq[i]
b = seq[i+1]
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Generating random whole numbers in JavaScript in a specific range?
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How to write the Fibonacci Sequence?
...nstead of returning the Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 should = only those numbers between 1 & 20), I have written for the program to display all Fibonacci numbers between a range (ie. startNumber 1, endNumber 20 displays = First 20 Fibonacci numbers). I thought I...
For each row return the column name of the largest value
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100
One option using your data (for future reference, use set.seed() to make examples using sample...
How do we control web page caching, across all browsers?
...revalidate
Pragma: no-cache
Expires: 0
The Cache-Control is per the HTTP 1.1 spec for clients and proxies (and implicitly required by some clients next to Expires). The Pragma is per the HTTP 1.0 spec for prehistoric clients. The Expires is per the HTTP 1.0 and 1.1 specs for clients and proxies. I...
Format a number as 2.5K if a thousand or more, otherwise 900
I need to show a currency value in the format of 1K of equal to one thousand, or 1.1K, 1.2K, 1.9K etc, if its not an even thousands, otherwise if under a thousand, display normal 500, 100, 250 etc, using javascript to format the number?
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Moving decimal places over in a double
So I have a double set to equal 1234, I want to move a decimal place over to make it 12.34
9 Answers
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组件美化使用指导 · App Inventor 2 中文网
...）。
快速上手
界面：拖入 垂直布局1，在里面放 标签1 和 按钮1；再拖一个组件美化（默认名 组件美化1）。
代码块：屏幕打开时把布局变成白底圆角卡片、按钮换成蓝色渐变圆角，并让标签可以点击。卡片...
App Inventor 2 蓝牙遥控教程 - 经典蓝牙与BLE控制智能硬件 · App Inventor 2 中文网
...比：经典蓝牙 vs BLE
三、经典蓝牙连接与通信
3.1 组件准备
3.2 蓝牙设备选择与连接
ListPicker 填充已配对设备列表
用户选择设备后建立连接
3.3 发送控制命令
发送文...
How can I apply a function to every row/column of a matrix in MATLAB?
...an apply a function to every item in a vector by saying, for example, v + 1 , or you can use the function arrayfun . How can I do it for every row/column of a matrix without using a for loop?
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