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Is it possible to change only the alpha of a rgba background colour on hover?
... &:hover
{
&:before
{
background-color: rgba(#000, 0.25);
}
}
}
exemple : https://jsfiddle.net/epwyL296/14/
just play with alpha of background. if you want light instead of darkness, just replace #000 by #fff
...
How to get box-shadow on left & right sides only
...h: 100px;
height: 100px;
background: #EEE;
box-shadow: 0 0 15px 0px #000;
clip-path: inset(0px -15px 0px -15px);
position: relative;
margin: 0 50px;
}
<div></div>
share
|
...
Speed up the loop operation in R
...
So how better is it?
I run each function for data.frame with nrow from 1,000 to 10,000 by 1,000 and measure time with system.time
X <- as.data.frame(matrix(sample(1:10, n*9, TRUE), n, 9))
system.time(dayloop2(X))
Result is
You can see that your version depends exponentially from nrow(X). ...
What is the difference between C# and .NET?
...6F 72 6B 20 34 2E 35 2E 32 ) // amework 4.5.2
.hash algorithm 0x00008004
.ver 1:0:0:0
}
.module Example.dll
// MVID: {80A91E4C-0994-4773-9B73-2C4977BB1F17}
.imagebase 0x10000000
.file alignment 0x00000200
.stackreserve 0x00100000
.subsystem 0x0003 // WINDOWS_CUI
.corflags 0x000000...
How to map and remove nil values in Ruby
...nchmarks against some of the earlier approaches to this problem:
N = 1_00_000
enum = 1.upto(1_000)
Benchmark.bmbm do |x|
x.report("select + map") { N.times { enum.select { |i| i.even? }.map{|i| i + 1} } }
x.report("map + compact") { N.times { enum.map { |i| i + 1 if i.even? }.compact } }
x.r...
Handling a colon in an element ID in a CSS selector [duplicate]
...26 B" ("&B"). In this case, user agents should treat a "CR/LF" pair (U+000D/U+000A) as a single whitespace character.
by providing exactly 6 hexadecimal digits: "\000026B" ("&B")
In fact, these two methods may be combined. Only one whitespace character is ignored after a hexadecimal escape. ...
How to display pandas DataFrame of floats using a format string for columns?
...mary:
df = pd.DataFrame({'money': [100.456, 200.789], 'share': ['100,000', '200,000']})
print(df)
print(df.to_string(formatters={'money': '${:,.2f}'.format}))
for col_name in ('share',):
df[col_name] = df[col_name].map(lambda p: int(p.replace(',', '')))
print(df)
""...
Quickest way to convert a base 10 number to any base in .NET?
... methods are faster than any others posted so far. I was able to convert 1,000,000 numbers from and to base 36 in under 400ms in a single core machine.
Example below is for base 62. Change the BaseChars array to convert from and to any other base.
private static readonly char[] BaseChars =
...
What is the recommended batch size for SqlBulkCopy?
..., about 30 bytes per row.
Given this scenario, I found a batch size of 5,000 to be the best compromise of speed and memory consumption. I started with 500 and experimented with larger. I found 5000 to be 2.5x faster, on average, than 500. Inserting the 6 million rows takes about 30 seconds with a ...
Extending an Object in Javascript
...value.indexOf('MWh')) return this._powerConsumption = value.replace('M', ',000k')
this._powerConsumption = value
throw new Error('Power consumption format not recognised.')
}
}
})
const newRobot = Object.create(Robot)
newRobot.powerConsumption = '5MWh'
console...