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How to do 3 table JOIN in UPDATE query?
... it had something to do with ON UPDATE CURRENT_TIMESTAMP, I just added manually the update and it fixed it, just saying if it happens to anyone else
– eric.itzhak
Jun 6 '16 at 13:35
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Eclipse ctrl+right does nothing
... kind of bug in the editor specifically (https://bugs.eclipse.org/bugs/show_bug.cgi?id=426557). Sometimes you can find that when you restart can't move with control+arrow in the editor but you can in other views like console window.
You can disable welcome screen ( in most eclipse based IDEs it's a...
Rails: How to get the model class name based on the controller class name?
...ntroller
def index
# Equivalent of @house_buyers = HouseBuyer.find(:all)
objects = controller_name.classify.constantize.find(:all)
instance_variable_set("@#{controller_name}", objects)
end
end
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Java / Android - How to print out a full stack trace?
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There's overrides of all the log methods with (String tag, String msg, Throwable tr) signatures.
Passing an exception as the third parameter should give you the full stacktrace in logcat.
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How to get Maven project version to the bash command line
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I'm removing all logging (INFO,WARNING,etc) and 'Download' messages with mvn org.apache.maven.plugins:maven-help-plugin:2.1.1:evaluate -Dexpression=project.version|grep -Ev '(^\[|Download\w+:)'
– Chadwick
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When should I choose Vector in Scala?
It seems that Vector was late to the Scala collections party, and all the influential blog posts had already left.
6 Answ...
How to find a Java Memory Leak
... supposed to be able to find the root reference ( ref ) or whatever it is called. Basically, I can tell that there are several hundred megabytes of hash table entries ([java.util.HashMap$Entry or something like that), but maps are used all over the place... Is there some way to search for large maps...
Solving a “communications link failure” with JDBC and MySQL [duplicate]
...hat have been mentioned in different web sites, but non of them worked. Finally I changed my code and found out what was the problem. I'll try to tell you about different approaches and sum them up here.
While I was seeking the internet to find the solution for this error, I figured out that there ...
Make anchor link go some pixels above where it's linked to
... window.scrollTo(window.scrollX, window.scrollY - 100);
});
This will allow the browser to do the work of jumping to the anchor for us and then we will use that position to offset from.
EDIT 1:
As was pointed out by @erb, this only works if you are on the page while the hash is changed. Enter...
How to search in array of object in mongodb
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Use $elemMatch to find the array of particular object
db.users.findOne({"_id": id},{awards: {$elemMatch: {award:'Turing Award', year:1977}}})
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