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Python try-else
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The statements in the else block are executed if execution falls off the bottom of the try - if there was no exception. Honestly, I've never found a need.
However, Handling Exceptions notes:
The use of the else clause is better
than adding additional code to the try
clause be...
Good Free Alternative To MS Access [closed]
...sktop application). If you think about the web-enabled frontend - consider PHP (with MySQL or PostgreSQL on the backend) or ASP.NET (with MSSQL Server at the backend).
I strongly recommend you not to use C++ for such job. This language is very efficient and flexible, but advanced database frontend ...
Paste in insert mode?
... CTRL-R {register}
Examples:
CTRL-R * will insert in the contents of the clipboard
CTRL-R " (the unnamed register) inserts the last delete or yank.
To find this in vim's help type :h i_ctrl-r
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How can I create a correlation matrix in R?
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An example,
d &lt- data.frame(x1=rnorm(10),
x2=rnorm(10),
x3=rnorm(10))
cor(d) # get correlations (returns matrix)
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Keep overflow div scrolled to bottom unless user scrolls up
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@NathanArthur u da real mvp
– php_nub_qq
Nov 11 '17 at 17:10
14
@NathanArt...
What are the true benefits of ExpandoObject?
...o our C# code, which we knows from dynamic languages as like JavaScript or PHP.
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What's the best CRLF (carriage return, line feed) handling strategy with Git?
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Almost four years after asking this question, I have finally
found an answer that completely satisfies me!
See the details in github:help's guide to
Dealing with line endings.
Git allows you to set the line ending properties for a
repo directly using the text attribute in t...
Assign multiple columns using := in data.table, by group
...t(dim(get(objectName))),by=objectName]. Trouble is that as.list has call overhead and also copies the small vector. If efficiency is a problem as number of groups rises then please let us know.
– Matt Dowle
May 21 '14 at 11:49
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Copy object values in Visual Studio debug mode
..., type
?name_of_variable
This will print out everything, and you can manually copy that anywhere you want, or use the immediate window's logging features to automatically write it to a file.
UPDATE: I assume you were asking how to copy/paste the nested structure of the values so that you could ei...
MongoDB, remove object from array
...mber correctly, these were options upsert and multi. For current syntax & documentation check this link: docs.mongodb.com/manual/reference/method/db.collection.update
– Lukas Liesis
Apr 16 '18 at 13:03
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