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Java string split with “.” (dot) [duplicate]
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You need to escape the dot if you want to split on a literal dot:
String extensionRemoved = filename.split("\\.")[0];
Otherwise you are splitting on the regex ., which means "any character".
Note the double backslash needed to create a single backslash in the regex.
You're getting an A...
Is there a valid reason for enforcing a maximum width of 80 characters in a code file, this day and
...ent setups: 1) in an ssh window connected to a remote machine. which is 80 characters wide by default. and 2) In Visual Studio, with two panels side-by-side so I can see header and cpp file at the same time.
– Enno
Nov 13 '08 at 21:27
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I want to get the type of a variable at runtime
... Any = 5
def f[T](v: T) = v match {
case _: Int => "Int"
case _: String => "String"
case _ => "Unknown"
}
f(x)
Here it doesn't matter what is the type of the variable, Any. What matters, what is checked is the type of 5, the value. In fact, T is useless -- you might as we...
Why does ContentResolver.requestSync not trigger a sync?
...sync contacts using a com.google style account.
All your contentAuthority strings have to all match, and match with what you're syncing -- This should be a string you define, if you're creating your own database, or you should use some existing device strings if you're syncing known data types (lik...
String.format() to format double in java
How can I use String.format(format String,X) to format a double like follows???
7 Answers
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Remove final character from string [duplicate]
Let's say my string is 10 characters long.
2 Answers
2
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Reasons for using the set.seed function
...set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Greg Snow
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How do I retrieve my MySQL username and password?
....7.*, there is no column in mysql.user called password, use authentication_string instead.
– Adib Aroui
Jul 25 '16 at 19:03
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How does this code generate the map of India?
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The long string is simply a binary sequence converted to ASCII. The first for statement makes b start out at 10, and the [b+++21] after the string yields 31. Treating the string as an array, offset 31 is the start of the "real" data...
How does one create an InputStream from a String? [duplicate]
...to working with streams in Java - how do I create an InputStream from a String ?
6 Answers
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