大约有 4,760 项符合查询结果（耗时：0.0234秒） [XML]
Remove plot axis values
I was just wondering if there is a way to get rid of axis values, either the x-axis or y-axis respectively, in an r-plot graph.
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why is plotting with Matplotlib so slow?
I'm currently evaluating different python plotting libraries. Right now I'm trying matplotlib and I'm quite disappointed with the performance. The following example is modified from SciPy examples and gives me only ~ 8 frames per second!
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Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
A few projects in my client's solution have a post-build event: xcopy the build output to a specific folder. This works fine when building locally. However, in TeamCity, I occasionally get
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How do you perform a left outer join using linq extension methods
...Bar with a table Foo on Foo.Foo_Id = Bar.Foo_Id in lambda notation:
var qry = Foo.GroupJoin(
Bar,
foo => foo.Foo_Id,
bar => bar.Foo_Id,
(x,y) => new { Foo = x, Bars = y })
.SelectMany(
x => x.Bars.DefaultIfEmpty(),
(x...
What do hjust and vjust do when making a plot using ggplot?
Every time I make a plot using ggplot, I spend a little while trying different values for hjust and vjust in a line like
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PHP: Return all dates between two dates in an array [duplicate]
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You could also take a look at the DatePeriod class:
$period = new DatePeriod(
new DateTime('2010-10-01'),
new DateInterval('P1D'),
new DateTime('2010-10-05')
);
Which should get you an array with DateTime ob...
Error in Swift class: Property not initialized at super.init call
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Quote from The Swift Programming Language, which answers your question:
“Swift’s compiler performs four helpful safety-checks to make sure
that two-phase initialization is completed without error:”
Safety check 1 “A designated initializer must ensure that all of ...
Pandas conditional creation of a series/dataframe column
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If you only have two choices to select from:
df['color'] = np.where(df['Set']=='Z', 'green', 'red')
For example,
import pandas as pd
import numpy as np
df = pd.DataFrame({'Type':list('ABBC'), 'Set':list('ZZXY')})
df['color'...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
I am trying to write a program where the names of some functions are dependent on the value of a certain macro variable with a macro like this:
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Convert RGB to RGBA over white
...want converted into an as-transparent-as-possible rgba color (when displayed over white). Make sense? I'm looking for an algorithm, or at least idea of an algorithm for how to do so.
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