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How to make a background 20% transparent on Android
...o use opacity then you can use the below code:
<color name="black">#99000000</color> <!-- 99 is for alpha and others pairs zero's are for R G B -->
And below for opacity code: and all opacity level here
Hex Opacity Values
100% — FF
95% — F2
90% — E6
85% — D9
80% — CC
75...
How do I profile memory usage in Python?
...
123
This one has been answered already here: Python memory profiler
Basically you do something li...
How to use Regular Expressions (Regex) in Microsoft Excel both in-cell and loops
...alues of 12abc will return abc, value of 1abc will return abc, value of abc123 will return "Not Matched" because the digits were not at the start of the string.
Private Sub simpleRegex()
Dim strPattern As String: strPattern = "^[0-9]{1,2}"
Dim strReplace As String: strReplace = ""
Dim r...
在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术
...用百分比来表示。在线服务通常看到最多的是以下3种
99.9%，服务中断时间：525.6分钟/年
99.99%，服务中断时间：52.56分钟/年
99.999%，服务中断时间：5.256分钟/年
当一个系统有大量用户使用之后，对系统可用性有较高要求，...
Pass a data.frame column name to a function
...e more about tidyeval here.
library(rlang)
library(tidyverse)
set.seed(123)
df <- data.frame(B = rnorm(10), D = rnorm(10))
Use column names as strings
fun3 <- function(x, ...) {
# capture strings and create variables
dots <- ensyms(...)
# unquote to evaluate inside dplyr verbs
...
Memoization in Haskell?
... f does what you mean for small values of f by calling, for example: fix f 123 = 144
We could memoize this by defining:
f_list :: [Int]
f_list = map (f faster_f) [0..]
faster_f :: Int -> Int
faster_f n = f_list !! n
That performs passably well, and replaces what was going to take O(n^3) time...
How to handle both a single item and an array for the same property using JSON.net
... "email" :[ "a@b.de","a@c.de"],
"name": "Andre",
"something" :["232","123"]
}
My Class i defined:
[JsonConverter(typeof(AnonyObjectConverter))]
public class AnonymObject
{
public AnonymObject()
{
fields = new Dictionary<string, string>();
list = new List<st...
Use of Finalize/Dispose method in C#
...
123
The official pattern to implement IDisposable is hard to understand. I believe this one is bet...
MVC Razor view nested foreach's model
... products and then provide a link on each product to maybe a /Product/Edit/123 action method to edit each one on it's own form. I think you can become undone trying to do too much on one page in MVC.
– Adrian Thompson Phillips
Jan 17 '12 at 12:42
...
Getting key with maximum value in dictionary?
..., 91: 93, 92: 18, 93: 18, 94: 106, 95: 106, 96: 13, 9232: 35,
98: 26, 99: 26, 100: 26, 101: 26, 103: 88, 104: 13, 106: 13, 107: 101, 1132: 63,
2158: 51, 112: 21, 113: 13, 116: 21, 118: 34, 119: 34, 7288: 45, 121: 96, 122: 21,
124: 109, 125: 109, 128: 8, 1154: 32, 131: 29, 134: 29, 136...