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What are carriage return, linefeed, and form feed?
...as section separators. (It's uncommonly used in source code to divide logically independent functions or groups of functions.) Text editors can use this character when you "insert a page break". This is commonly escaped as \f, abbreviated FF, and has ASCII value 12 or 0x0C.
As control character...
What's the difference between commit() and apply() in SharedPreferences
...y() is asynchronous. I'm getting the problem that the changes formed to a "string set" preference are never written to the persistent memory.
It happens if you "force detention" of the program or, in the ROM that I have installed on my device with Android 4.1, when the process is killed by the syst...
Java FileOutputStream Create File if not exists
Is there a way to use FileOutputStream in a way that if a file (String filename) does not exist, then it will create it?
9 ...
std::string length() and size() member functions
...ion and found that there is actually a method called length() for std::string (I always used size() ). Is there any specific reason for having this method in std::string class? I read both MSDN and CppRefernce, and they seem to indicate that there is no difference between size() and lengt...
Where are the recorded macros stored in Notepad++?
...edited Jun 20 '18 at 20:26
Cos Callis
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answered Mar 25 '11 at 12:44
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What is the best way to get the count/length/size of an iterator?
... Can you please explain how does this work ? @Andrejs List<Tuple2<String, Integer>> wordCountsWithGroupByKey = wordsPairRdd.groupByKey() .mapValues(intIterable -> Iterables.size(intIterable)).collect(); System.out.println("wordCountsWithGroupByKey: " + wordC...
Android add placeholder text to EditText
...What you're looking for is setHint(int). Simply pass in a resource id of a string from your xml and you're good to go.
EDIT
And in XML, it's simply android:hint="someText"
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What is the difference between SQL, PL-SQL and T-SQL?
...e to integrate well with SQL. Several features such as local variables and string/data processing are added. These features make the language Turing-complete.
They are also used to write stored procedures: pieces of code residing on the server to manage complex business rules that are hard or impos...
Generate Java classes from .XSD files…?
...item>
Easy right? You can alternatively channel the output XML as text String, Stream, Writer, ContentHandler, etc by simply change the parameter of the marshal(...) method like
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JAXBContext context = JAXBContext.newInstance(item.getClass());
Marshaller marshaller = context.createMarshaller()...
How to get Twitter-Bootstrap navigation to show active link?
I'm not understanding how Twitter Bootstrap does active links for the navigation. If I have a regular navigation like this (with ruby on rails linking):
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