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What is the worst gotcha in C# or .NET? [closed]
... was recently working with a DateTime object, and wrote something like this:
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How to fix Hibernate LazyInitializationException: failed to lazily initialize a collection of roles,
...ustom AuthenticationProvider from my spring project, I am trying read the list of authorities of the logged user, but I am facing the following error:
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Last non-empty cell in a column
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This works with both text and numbers and doesn't care if there are blank cells, i.e., it will return the last non-blank cell.
It needs to be array-entered, meaning that you press Ctrl-Shift-Enter after you type or paste it in...
Prevent direct access to a php include file
...nning on an Apache server that you may or may not fully control" situation is to put your includes in a directory and deny access to that directory in your .htaccess file. To save people the trouble of Googling, if you're using Apache, put this in a file called ".htaccess" in the directory you don't...
Check number of arguments passed to a Bash script
...ke my Bash script to print an error message if the required argument count is not met.
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Difference between map, applymap and apply methods in Pandas
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Straight from Wes McKinney's Python for Data Analysis book, pg. 132 (I highly recommended this book):
Another frequent operation is applying a function on 1D arrays to each column or row. DataFrame’s apply method does exactly this:
In [116]: frame = DataFrame(np.rando...
How to shrink the .git folder
...ally lead to huge .git folders (remember, git stores snapshots for each revision and binary files compress badly)
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell
I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...
MVC (Laravel) where to add logic
... specific way I also want to do something else. E.g., whenever someone publishes a post I also want to save something to a table for analytics. Maybe not the best example but in general there's a lot of this "grouped" functionality.
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