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Select the values of one property on all objects of an array in PowerShell
...erPropname
– Bassie
Aug 2 '16 at 14:03
2
@Bassie: Accessing a property at the collection level to...
App Inventor 2开发简单计算器 - App Inventor 2 中文网 - 清泛IT论坛，有思想、有深度
...会出现一些莫名其妙的状况，这里要讲解的是一个只有20个按键的简易计算器，实现了加减乘除的简单运算，以及清除、回退、求相反数等，如图2-1所示，更为复杂的运算，如求乘方、方根及三角函数的运算，可以利用开发工具...
Assign pandas dataframe column dtypes
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Since 0.17, you have to use the explicit conversions:
pd.to_datetime, pd.to_timedelta and pd.to_numeric
(As mentioned below, no more "magic", convert_objects has been deprecated in 0.17)
df = pd.DataFrame({'x': {0: 'a', 1: 'b'}...
List All Redis Databases
...the databases for which some keys are defined:
INFO keyspace
# Keyspace
db0:keys=10,expires=0
db1:keys=1,expires=0
db3:keys=1,expires=0
Please note that you are supposed to use the "redis-cli" client to run these commands, not telnet. If you want to use telnet, then you need to run these commands...
Change Active Menu Item on Page Scroll?
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207
It's done by binding to the scroll event of the container (usually window).
Quick example:
//...
Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
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230
For fitting y = A + B log x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20...
How do you check whether a number is divisible by another number (Python)?
I need to test whether each number from 1 to 1000 is a multiple of 3 or a multiple of 5. The way I thought I'd do this would be to divide the number by 3, and if the result is an integer then it would be a multiple of 3. Same with 5.
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How can I get a list of locally installed Python modules?
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30 Answers
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Is it possible to apply CSS to half of a character?
... output = '';
// Iterate over all chars in the text
for (i = 0; i < chars.length; i++) {
// Create a styled element for each character and append to container
output += '<span aria-hidden="true" class="halfStyle" data-content="' + chars[i] + '">' + chars[i] +...