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“Insert if not exists” statement in SQLite
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dplyr: “Error in n(): function should not be called directly”
...blog and then run solution in detach("package:plyr", unload=TRUE)
Blog : https://www.analyticsvidhya.com/blog/2017/09/comparative-stock-analysis/
Master_Data_AutoCorrelations<-Master_Data_lags %>%
gather(key = "lag", value = "lag_value", -c(Stock,Date, Close)) %>%
mutate(lag = str_su...
How to reset or change the MySQL root password?
...keep your security standards.
sudo service mysql restart
For reference : https://dev.mysql.com/doc/refman/5.7/en/resetting-permissions.html
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How to secure MongoDB with username and password
... to properly understand.
It's really simple. I'll dumb the following down https://docs.mongodb.com/manual/tutorial/enable-authentication/
If you want to learn more about what the roles actually do read more here: https://docs.mongodb.com/manual/reference/built-in-roles/
1) Start MongoDB without a...
How can I generate UUID in C#
...
I have a GitHub Gist with a Java like UUID implementation in C#:
https://gist.github.com/rickbeerendonk/13655dd24ec574954366
The UUID can be created from the least and most significant bits, just like in Java. It also exposes them. The implementation has an explicit conversion to a GUID a...
How to include an '&' character in a bash curl statement
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Simulate airplane mode in iPhone Simulator
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Deprecated warning for Rails 4 has_many with order
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Webstorm: “Cannot Resolve Directory”
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What is the usefulness of PUT and DELETE HTTP request methods?
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