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I got error grep: (error|fail): No such file or directory on Ubuntu Desktop 16; any hints?
– Nam G VU
Jul 24 '17 at 10:32
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Less aggressive compilation with CSS3 calc
...did less.js attempt to compute this in the first place? It should throw an error for "100% - 250px" as it can't compute a sensible answer.
– mpen
Aug 2 '13 at 18:33
72
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SqlDataAdapter vs SqlDataReader
... the connection open with the SQLDataReader. Failure to do this, or proper error handling to close the connection in case of an error in processing the results will CRIPPLE your application with connection leaks.
Pardon my VB, but this is the minimum amount of code you should have when using a SqlD...
How to elegantly ignore some return values of a MATLAB function?
...e , isn't optional. Just typing [~ ~ var] will not work, and will throw an error.
See the release notes for details.
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How can I add a help method to a shell script?
...ying this inside a function, but when I try to run the function I get this error "basename: invalid option -- 'b'". It looks like it's trying to pass "-bash" to basename with the leading dash.
– Morgan Estes
Aug 7 '13 at 15:40
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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...
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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How to check if a string is a valid date
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require 'date'
begin
Date.parse("31-02-2010")
rescue ArgumentError
# handle invalid date
end
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How to detect if a specific file exists in Vimscript?
...a ~, but I'm not positive. What arguments did you supply when you got that error?
– brianmearns
Jul 23 '15 at 10:04
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How to convert a private key to an RSA private key?
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This is also the solution to getting weird error messages like Invalid PEM structure, '-----BEGIN...' missing. from tools like Cyberduck while pure SSH with the same key is working.
– Daniel
Oct 18 '13 at 5:58
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