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NumPy or Pandas: Keeping array type as integer while having a NaN value
...teger (1) that has NA converting to the new 'Int64' dtype will give you an error. In order to solve this you have to round the numbers and then do ".astype('Int64')"
s1 = pd.Series([1.434, 2.343, np.nan])
#without round() the next line returns an error
s1.astype('Int64')
#cannot safely cast non-eq...
How to create a JavaScript callback for knowing when an image is loaded?
...()
} else {
img.addEventListener('load', loaded)
img.addEventListener('error', function() {
alert('error')
})
}
Source: http://www.html5rocks.com/en/tutorials/es6/promises/
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Downcasting in Java
Upcasting is allowed in Java, however downcasting gives a compile error.
11 Answers
1...
How to install python3 version of package via pip on Ubuntu?
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The curl call borks for me with a syntax error on line 48.
– icedwater
Jan 29 '16 at 5:17
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How to execute a Python script from the Django shell?
...doing the above, I was getting a django.core.exceptions.AppRegistryNoReady error.
My script file is in the same directory as my django project (ie. in the same folder as manage.py)
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Git: Permission denied (publickey) fatal - Could not read from remote repository. while cloning Git
I am unable to clone a Git repository, and getting this error:
30 Answers
30
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Razor view engine, how to enter preprocessor(#if debug)
...ews?) you would get a null value for HttpContext.Current.
If you get this error, please let me know in the comments and mention if you are using precompiled views or anything special set up that could result in your views being partially rendered/executed on another thread!
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Using openssl to get the certificate from a server
...
Hmm. I still get the same error when trying that command. I noticed my Openssl version is 'OpenSSL 0.9.8g 19 Oct 2007'. Do you have any ideas?
– nasty pasty
Oct 26 '11 at 2:07
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How do you add an in-app purchase to an iOS application?
...called when the transaction does not finish
if(transaction.error.code == SKErrorPaymentCancelled){
NSLog(@"Transaction state -> Cancelled");
//the user cancelled the payment ;(
}
[[SKPaymentQueue defaultQueue]...
Meaning of = delete after function declaration
...on etc., so that it can fail as early as possible and provide the clearest error to the user. Any solution which involves "hiding" the declaration reduces this effect.
– Leushenko
Feb 26 '19 at 16:34
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