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How to format a number as percentage in R?
... in (0,1) to a percentage in 2 digits:
library(microbenchmark)
x = runif(1e5)
microbenchmark(times = 100L, andrie1(), andrie2(), richie(), krlmlr())
# Unit: milliseconds
# expr min lq mean median uq max
# 1 andrie1() 91.08811 95.51952 99.54368 97.39548 102.75...
How can I add an item to a SelectList in ASP.net MVC
...load in the HtmlHelper -> @Html.DropDownListFor
– 2b77bee6-5445-4c77-b1eb-4df3e5
Nov 11 '19 at 21:49
add a comment
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刘强东：一家公司特别针对我们时 他已经恐惧了 - 资讯 - 清泛网 - 专注C/C+...
...增长52%，3.297亿的订单量相比去年同期的1.782亿同比增长85%。值得一提的还有移动端订单量，占比超过52%。
但是依然有人辛辣地指出，过去5个季度的数字要更好看。京东的交易额增长都在80%以上，净收入增长也没有低于60%，而...
Checkout subdirectories in Git?
...b upstream.
Output in Git v2.19:
# List and identify all objects
c6fcdfaf2b1462f809aecdad83a186eeec00f9c1
fc5e97944480982cfc180a6d6634699921ee63ec
7251a83be9a03161acde7b71a8fda9be19f47128
62d67bce3c672fe2b9065f372726a11e57bade7e
b64bf435a3e54c5208a1b70b7bcb0fc627463a75 d1
308150e8fddde043f3dbbb857...
Easiest way to compare arrays in C#
... int[] a3 = new int[] { 1, 3 };
int[] a4 = null;
int[] a5 = null;
int[] a6 = new int[0];
Console.WriteLine(a1.ItemsEqual(a2)); // Output: True.
Console.WriteLine(a2.ItemsEqual(a3)); // Output: False.
Console.WriteLine(a4.ItemsEqual(a5)); // Output...
App Inventor 2 进制转换与位运算教程 - 十六进制、二进制、补码、字节操作...
...al ret_val = 高字节 * 256 + 低字节
}
示例：收到字节 0x1A, 0x2B → 结果 = 0x1A * 256 + 0x2B = 6699
小端序（Little-Endian，低位在前）
procedure 两字节小端拼合(高字节, 低字节) {
global ret_val = 低字节 * 256 + 高字节
}
示例...
How do I create and read a value from cookie?
...= 7, path = '/') => {
const expires = new Date(Date.now() + days * 864e5).toUTCString()
document.cookie = name + '=' + encodeURIComponent(value) + '; expires=' + expires + '; path=' + path
}
const getCookie = (name) => {
return document.cookie.split('; ').reduce((r, v) => {
const...
Extracting Nupkg files using command line
..., a file you orginally named "A+B.txt" for example will be extracted as "A%2B.txt". This is avoided by using nuget install (as per Andy's answer)
– Oli Wennell
Jul 30 '15 at 12:56
...
How do you roll back (reset) a Git repository to a particular commit? [duplicate]
...rent branch to your desired commit with git reset:
git reset --hard c2e7af2b51
(Replace c2e7af2b51 with the commit that you want to go back to.)
When you decide that your crazy experiment branch doesn't contain anything useful, you can delete it with:
git branch -D crazyexperiment
It's always...
How to send a “multipart/form-data” with requests in python?
... key, as in the following:
>>> files = {'obvius_session_id': '72c2b6f406cdabd578c5fd7598557c52'}
Content-Disposition: form-data; name="obvius_session_id"; filename="obvius_session_id"
Content-Type: application/octet-stream
72c2b6f406cdabd578c5fd7598557c52
If the value is a tuple and th...