大约有 21,900 项符合查询结果(耗时:0.0524秒) [XML]
Border length smaller than div width?
...u can use pseudoelements. E.g.
div {
width : 200px;
height : 50px;
position: relative;
z-index : 1;
background: #eee;
}
div:before {
content : "";
position: absolute;
left : 0;
bottom : 0;
height : 1px;
width : 50%; /* or 100px */
border-bot...
How do I check if a string is a number (float)?
...LottS.Lott
349k7373 gold badges478478 silver badges750750 bronze badges
22
...
How to parse float with two decimal places in javascript?
...spected. parseFloat(parseFloat('10.5').toFixed(2)) return 10.5 espected 10.50. Also parseFloat(parseFloat('10.50').toFixed(2)) return 10.5
– MTK
Mar 14 '19 at 17:56
...
Vagrant reverse port forwarding?
...ress.
– nucleartide
Aug 5 '13 at 15:50
28
The fact that when you setup config.vm.network :private...
Instance variable: self vs @
...
prosseekprosseek
144k181181 gold badges500500 silver badges800800 bronze badges
...
Compare JavaScript Array of Objects to Get Min / Max
...D": 1, "Cost": 200}
myArray.hasMin('Cost') // result: {"ID": 3, "Cost": 50}
myEmptyArray.hasMin('ID') // result: null
Please note that if you intend to use this, it doesn't have full checks for every situation. If you pass in an array of primitive types, it will fail. If you check for a pro...
Table name as variable
...ble and schema I have created this dynamic query:
declare @schema varchar(50)
declare @table varchar(50)
declare @query nvarchar(500)
set @schema = 'dbo'
set @table = 'ACTY'
set @query = 'SELECT * FROM [DB_ONE].['+ @schema +'].[' + @table + '] EXCEPT SELECT * FROM [DB_TWO].['+ @schema +'].[' + @t...
How to do exponential and logarithmic curve fitting in Python? I found only polynomial fitting
...og x, just fit y against (log x).
>>> x = numpy.array([1, 7, 20, 50, 79])
>>> y = numpy.array([10, 19, 30, 35, 51])
>>> numpy.polyfit(numpy.log(x), y, 1)
array([ 8.46295607, 6.61867463])
# y ≈ 8.46 log(x) + 6.62
For fitting y = AeBx, take the logarithm of both side...
What are the mathematical/computational principles behind this game?
...
150
Finite Projective Geometries
The axioms of projective (plane) geometry are slightly different...
How to declare constant map
...n do:
var romanNumeralDict = map[int]string{
1000: "M",
900 : "CM",
500 : "D",
400 : "CD",
100 : "C",
90 : "XC",
50 : "L",
40 : "XL",
10 : "X",
9 : "IX",
5 : "V",
4 : "IV",
1 : "I",
}
Inside a func you can declare it like:
romanNumeralDict := map[int]string{...