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“unary operator expected” error in Bash if condition
...the variable expansion and the variable is undefined or empty, it vanishes from the scene of the crime, leaving only
if [ = "and" ];
which is not a valid syntax. (It would also fail with a different error message if $aug1 included white space or shell metacharacters.)
The modern [[ operator has...
Programmatically shut down Spring Boot application
... demonstrates how the ExitCodeGenerator can be used. You could just return from the main method to exit gracefully (exit code 0).
– Sotirios Delimanolis
Nov 7 '19 at 18:11
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How to correctly require a specific commit in Composer so that it would be available for dependent p
I have a library foo/foo-lib which requires a specific commit from GitHub:
3 Answers
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How do I uninstall a package installed using npm link?
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npm uninstall from the local library folder will also work.
– backslashN
Jul 7 at 10:06
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What is data oriented design?
...icle , and this guy goes on talking about how everyone can greatly benefit from mixing in data oriented design with OOP. He doesn't show any code samples, however.
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Convert a 1D array to a 2D array in numpy
...B = np.reshape(A, (-1, 2))
where -1 infers the size of the new dimension from the size of the input array.
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What's the meaning of “=>” (an arrow formed from equals & greater than) in JavaScript?
...below).
You can read more in the Mozilla documentation on arrow functions.
From the Mozilla documentation:
An arrow function expression (also known as fat arrow function) has a shorter syntax compared to function expressions and lexically binds the this value (does not bind its own this, arguments,...
How to get the current directory of the cmdlet being executed
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Thanks, this is a great method to find the full path from relative paths. E.g. (Get-Item -Path $myRelativePath -Verbose).FullName
– dlux
May 6 '14 at 3:51
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Pandas: Setting no. of max rows
...y').
You can set an option only temporarily for this one time like this:
from IPython.display import display
with pd.option_context('display.max_rows', 100, 'display.max_columns', 10):
display(df) #need display to show the dataframe when using with in jupyter
#some pandas stuff
You can a...
How can I get a user's media from Instagram without authenticating as a user?
...ugh manage clients (not related to user whatsoever).
You can get [USER ID] from username by performing GET users search request:
https://api.instagram.com/v1/users/search?q=[USERNAME]&client_id=[CLIENT ID]
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