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Fixed width buttons with Bootstrap
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With BS 4, you can also use the sizing, and apply w-100 so that the button can occupy the complete width of the parent container.
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" rel="stylesheet" />
<script src="https://a...
Pythonic way to find maximum value and its index in a list?
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Sven MarnachSven Marnach
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Shell command to sum integers, one per line?
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I have a file with 100 million numbers. The awk command takes 21s; the paste command takes 41s. But good to meet 'paste' nevertheless!
– Abhi
Jan 25 '13 at 6:07
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Get a filtered list of files in a directory
...lob
Wild Cards:
files=glob.glob("data/*")
print(files)
Out:
['data/ks_10000_0', 'data/ks_1000_0', 'data/ks_100_0', 'data/ks_100_1',
'data/ks_100_2', 'data/ks_106_0', 'data/ks_19_0', 'data/ks_200_0', 'data/ks_200_1',
'data/ks_300_0', 'data/ks_30_0', 'data/ks_400_0', 'data/ks_40_0', 'data/ks_45_...
App Inventor 2 数据可视化教程 - 折线图/曲线图/实时数据绘图 · App Inventor 2 中文网
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界面设计：
添加一个 Clock 组件，设置 计时间隔 为 1000（毫秒，即 1 秒）
添加一个按钮用于开始/停止
Chart + ChartData2D（类型设为折线图）
积木块：
// 全局变量
global x计数 = 0
when 按钮_开始.Click() {
计时器1.TimerEnabled = ...
Detect and exclude outliers in Pandas data frame
...g expression would do that in one shot.
df = pd.DataFrame(np.random.randn(100, 3))
from scipy import stats
df[(np.abs(stats.zscore(df)) < 3).all(axis=1)]
description:
For each column, first it computes the Z-score of each value in the
column, relative to the column mean and standard deviati...
ipython: print complete history (not just current session)
...e.history.HistoryAccessor(profile='default')
profile_hist.get_session_info(100)
This will print out something like
(100, datetime.datetime(2018, 2, 13, 19, 8, 30, 40691), None, None, '')
This means that the session 100 started on the 13th of Feb 2018 19:08:30.
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Does SVG support embedding of bitmap images?
...k="http://www.w3.org/1999/xlink">
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<image
width="100" height="100"
xlink:href="data:image/png;base64,IMAGE_DATA"
/>
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</svg>
The svg element attribute xmlns:xlink declares xlink as a namespace prefix and says where the definition is. That the...
How do I check if a string is valid JSON in Python?
...s_json("{asdf}") #prints False
print is_json('{ "age":100}') #prints True
print is_json("{'age':100 }") #prints False
print is_json("{\"age\":100 }") #prints True
print is_json('{"age":100 }') #prints True
print is_json('...
FloatingActionButton 扩展：悬浮操作按钮扩展，可自定义颜色、大小、位置...
... 菜单展开 = false 则
调用 CreateFab 创建按钮 位置X为100 位置Y为500 大小为40
调用 CreateFab 创建按钮 位置X为100 位置Y为560 大小为40
设置 菜单展开 为 true
否则
调用 HideFAB 隐藏所有生成的按钮
设置 菜...