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What is the meaning of “this” in Java?
...d is required. If i add the main method, then I have to call from there. And any attempt to call frobnicate() inside main says that you can't call a non-static reference from inside a static one. And removing static from main returns the error again that no main method i s found. Please explain.
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Making TextView scrollable on Android
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You don't need to use a ScrollView actually.
Just set the
android:scrollbars = "vertical"
properties of your TextView in your layout's xml file.
Then use:
yourTextView.setMovementMethod(new ScrollingMovementMethod());
in your code.
Bingo, it scrolls!
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How to send HTTP request in java? [duplicate]
In Java, How to compose a HTTP request message and send it to a HTTP WebServer?
9 Answers
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What is the easiest way to parse an INI file in Java?
...format of this ini files is the common windows style, with header sections and key=value pairs, using # as the character for commenting.
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Why use the 'ref' keyword when passing an object?
...omething else, callers of the method will need to be coded to ensure they handle this possibility.
Also, when the parameter type is an object, then object variables always act as references to the object. This means that when the ref keyword is used you've got a reference to a reference. This allows...
HTTP 404 Page Not Found in Web Api hosted in IIS 7.5
...t using the VS 2010 debugging dev server. But I now deployed it to IIS 7.5 and I am getting a HTTP 404 error when trying to access the application.
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Split a module across several files
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Rust's module system is actually incredibly flexible and will let you expose whatever kind of structure you want while hiding how your code is structured in files.
I think the key here is to make use of pub use, which will allow you to re-export identifiers from other modules....
LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?
...umnA, t2.ColumnB }
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You have to take advantage of anonymous types and compose a type for the multiple columns you wish to compare against.
This seems confusing at first but once you get acquainted with the way the SQL is composed from the expressions it will make a lot more sense, under th...
Convert column classes in data.table
... dt[, Quarter:=as.character(Quarter)]
str(dtnew)
Classes ‘data.table’ and 'data.frame': 10 obs. of 3 variables:
$ ID : Factor w/ 2 levels "A","B": 1 1 1 1 1 2 2 2 2 2
$ Quarter: chr "1" "2" "3" "4" ...
$ value : num -0.838 0.146 -1.059 -1.197 0.282 ...
Using lapply and as.charac...
Changing MongoDB data store directory
Until now I have not been specifying a MongoDB data directory and have had only one 30 GB primary partition.
9 Answers
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