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How to set the context path of a web application in Tomcat 7.0
...t settings for the root context of the tomcat installation for that engine and host (Catalina and localhost).
Enter the following to the ROOT.xml file;
<Context
docBase="<yourApp>"
path=""
reloadable="true"
/>
Here, <yourApp> is the name of, well, your app.. :)
And t...
Comment shortcut Android Studio
I'm searching for useful Android Studio keyboard shortcut for commenting code, as in Sublime Text or Eclipse.
24 Answers
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How do I delete rows in a data frame?
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The key idea is you form a set of the rows you want to remove, and keep the complement of that set.
In R, the complement of a set is given by the '-' operator.
So, assuming the data.frame is called myData:
myData[-c(2, 4, 6), ] # notice the -
Of course, don't forget to "reassign" ...
Check whether number is even or odd
...r is even or odd? I've been wanting to figure this out for a long time now and haven't gotten anywhere.
16 Answers
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API pagination best practices
I'd love some some help handling a strange edge case with a paginated API I'm building.
11 Answers
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Create SQL script that create database and tables
I have a SQL database and tables that I would like to replicate in another SQL Server. I would like to create a SQL script that creates the database and tables in a single script.
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vertical align middle in
I want to keep the height of #abc div at 50px and text to align vertically in the middle of the div .
10 Answers
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Parse an HTML string with JS
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Create a dummy DOM element and add the string to it. Then, you can manipulate it like any DOM element.
var el = document.createElement( 'html' );
el.innerHTML = "<html><head><title>titleTest</title></head><body><...
Call asynchronous method in constructor?
...he best solution is to acknowledge the asynchronous nature of the download and design for it.
In other words, decide what your application should look like while the data is downloading. Have the page constructor set up that view, and start the download. When the download completes update the page ...
Why should I use the keyword “final” on a method parameter in Java?
I can't understand where the final keyword is really handy when it is used on method parameters.
12 Answers
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