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Is there a version control system for database structure changes?
....sql - the first for the schema and persistant data, and the second for modifications. Of course, both are under source control.
When the database changes, I first update the main schema in project-database.sql, then copy the relevant info to the project-updates.sql, for instance ALTER TABLE state...
Installing R on Mac - Warning messages: Setting LC_CTYPE failed, using “C”
... a en_ES locale, not supported by the system. Found that I can set an specific setting for Mac R Studio with this command: defaults write org.rstudio.RStudio force.LANG en_US.UTF-8
– Ramón Gil Moreno
Aug 26 '16 at 11:06
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Creating dataframe from a dictionary where entries have different lengths
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If you don't want it to show NaN and you have two particular lengths, adding a 'space' in each remaining cell would also work.
import pandas
long = [6, 4, 7, 3]
short = [5, 6]
for n in range(len(long) - len(short)):
s...
ruby convert array into function arguments
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Template function inside template class
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How to click or tap on a TextView text
...nClickListener() {
@Override
public void onClick(View v) {
if ("Boiling Point K".equals(boilingpointK.getText().toString()))
boilingpointK.setText("2792");
else if ("2792".equals(boilingpointK.getText().toString()))
boilingpointK.setText("Boiling Point...
Can you avoid Gson converting “” into unicode escape sequences?
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What is the difference between '&' and ',' in Java generics?
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Building C# Solution in Release mode using MSBuild.exe
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Why would you specify a TargetFramework as a parameter? That's supposed to be configured by the individual projects within the solution.
– Triynko
Sep 19 '19 at 20:33
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How to put attributes via XElement
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