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In R, how to get an object's name after it is sent to a function?
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162
The old deparse-substitute trick:
a<-data.frame(x=1:10,y=1:10)
test<-function(z){
me...
Exception NoClassDefFoundError for CacheProvider
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184
Change your AnnotationSessionFactoryBean to org.springframework.orm.hibernate4.LocalSessionFac...
Rails 3: I want to list all paths defined in my rails application
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answered Jul 23 '11 at 16:51
house9house9
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Plotting a list of (x, y) coordinates in python matplotlib
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184
As per this example:
import numpy as np
import matplotlib.pyplot as plt
N = 50
x = np.random...
deleting rows in numpy array
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157
The simplest way to delete rows and columns from arrays is the numpy.delete method.
Suppose I...
Create a variable name with “paste” in R?
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125
You can use assign (doc) to change the value of perf.a1:
> assign(paste("perf.a", "1", sep...
Why modelVersion of pom.xml is necessary and always set to 4.0.0?
... A POM has to comply with a model. Let's say Maven 4 comes up with model 4.1. If you write your pom to comply with 4.1, it wouldn't be compatible with Maven 3 and model 4.0.0.
It's defined as a mandatory, possibly to enforce a specific XML model in case new models are defined.
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I want to exception handle 'list index out of range.'
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Handling the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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git remove merge commit from history
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101
Do git rebase -i <sha before the branches diverged> this will allow you to remove the me...
Spring 3 MVC accessing HttpRequest from controller
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185
Spring MVC will give you the HttpRequest if you just add it to your controller method signatur...