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How to keep a .NET console app running?
...onsole application that starts up some services in a separate thread. All it needs to do is wait for the user to press Ctrl+C to shut it down.
...
Regex not operator
...ollowing (hence: lookahead) this doesn't (hence: negative) match this. But it doesn't actually consume the characters it matches (hence: zero-width).
There are actually 4 combinations of lookarounds with 2 axes:
lookbehind / lookahead : specifies if the characters before or after the point are co...
What can you do in MSIL that you cannot do in C# or VB.NET? [closed]
All code written in .NET languages compiles to MSIL, but are there specific tasks / operations that you can do only using MSIL directly?
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Automatically add newline at end of curl response body
...onse body for a curl request doesn't contain a trailing newline, I end up with this really annoying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes ...
How to select rows from a DataFrame based on column values?
...'column_name'] == some_value]
To select rows whose column value is in an iterable, some_values, use isin:
df.loc[df['column_name'].isin(some_values)]
Combine multiple conditions with &:
df.loc[(df['column_name'] >= A) & (df['column_name'] <= B)]
Note the parentheses. Due to Py...
Convert a list of data frames into one data frame
I have code that at one place ends up with a list of data frames which I really want to convert to a single big data frame.
...
MongoDB Many-to-Many Association
How would you do a many-to-many association with MongoDB?
4 Answers
4
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How do I select a random value from an enumeration?
Given an arbitrary enumeration in C#, how do I select a random value?
9 Answers
9
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What are the “standard unambiguous date” formats for string-to-date conversion in R?
...havior. From ?as.Date:
format: A character string. If not specified, it will try
'"%Y-%m-%d"' then '"%Y/%m/%d"' on the first non-'NA' element,
and give an error if neither works.
as.Date("01 Jan 2000") yields an error because the format isn't one of the two listed abo...
Read only the first line of a file?
How would you get only the first line of a file as a string with Python?
8 Answers
8
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