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Bash script to calculate time elapsed
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10 Answers
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Breaking loop when “warnings()” appear in R
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152
You can turn warnings into errors with:
options(warn=2)
Unlike warnings, errors will interr...
Compute a confidence interval from sample data
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168
import numpy as np
import scipy.stats
def mean_confidence_interval(data, confidence=0.95):
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How to get numbers after decimal point?
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An easy approach for you:
number_dec = str(number-int(number))[1:]
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Regex to replace everything except numbers and a decimal point
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241
Use this:
document.getElementById(target).value = newVal.replace(/[^0-9.]/g, "");
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Is it possible to adjust x,y position for titleLabel of UIButton?
...ntentVerticalAlignment:UIControlContentVerticalAlignmentTop];
//move text 10 pixels down and right
[button setTitleEdgeInsets:UIEdgeInsetsMake(10.0f, 10.0f, 0.0f, 0.0f)];
And in Swift
//make the buttons content appear in the top-left
button.contentHorizontalAlignment = .Left
button.contentVertic...
Write a function that returns the longest palindrome in a given string
...be found here and here.
For input String s = "HYTBCABADEFGHABCDEDCBAGHTFYW1234567887654321ZWETYGDE" it finds the correct output which is 1234567887654321.
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How do browsers pause/change Javascript when tab or window is not active?
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191
+200
Test O...
App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
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- BluetoothLE.java（2975行）-- 公开API层
- BluetoothLEint.java（3165行）-- 内部实现层
二、核心发现：23字节硬编码限制
2.1 WriteStrings 的写入路径
位于 BLEWriteOperation.write() 方法第678-690行：
if (mClass == String.class) {
byte[]...