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How to clone a case class instance and change just one field in Scala?
...s, people on different social networks. Instances of that class are fully immutable, and are held in immutable collections, to be eventually modified by an Akka actor.
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MySQL SELECT WHERE datetime matches day (and not necessarily time)
I have a table which contains a datetime column. I wish to return all records of a given day regardless of the time. Or in other words, if my table only contained the following 4 records, then only the 2nd and 3rd would be returned if I limit to 2012-12-25.
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Is there a recommended format for multi-line imports?
I have read there are three ways for coding multi-line imports in python
4 Answers
4
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Escape quote in web.config connection string
I have a connection string in my web config:
5 Answers
5
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Eclipse Android and gitignore
...pes to ignore
# built application files
*.apk
*.ap_
# files for the dex VM
*.dex
# Java class files
*.class
# generated files
bin/
gen/
# Local configuration file (sdk path, etc)
local.properties
# Eclipse project files
.classpath
.project
# Proguard folder generated by Eclipse
proguard/
# I...
What's the difference between lists enclosed by square brackets and parentheses in Python?
Are they both valid? Is one preferred for some reason?
6 Answers
6
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Should I be concerned about excess, non-running, Docker containers?
Every docker run command, or every RUN command inside a Dockerfile, creates a container. If the container is no longer running it can still be seen with docker ps -a .
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AngularJS Directive Restrict A vs E
I'm working in a small team, building in AngularJS and trying to maintain some basic standards & best practices; especially given we're relatively new with Angular.
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Why can't I center with margin: 0 auto?
... 100% width and within that div I have an unordered list. I have applied margin: 0 auto to the unordered list but it won't center it within the header div.
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How do I calculate the normal vector of a line segment?
Suppose I have a line segment going from (x1,y1) to (x2,y2). How do I calculate the normal vector perpendicular to the line?
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