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How to get the filename without the extension in Java?
...urn null;
// Get position of last '.'.
int pos = str.lastIndexOf(".");
// If there wasn't any '.' just return the string as is.
if (pos == -1) return str;
// Otherwise return the string, up to the dot.
return str.substring(0, pos);
}
pub...
Why can't C# interfaces contain fields?
...ntain the get and set methods of a property, the get and set methods of an indexer, and the add and remove methods of an event. But a field is not a method. There's no "slot" associated with a field that you can then "fill in" with a reference to the field location. And therefore, interfaces can de...
Difference between java.lang.RuntimeException and java.lang.Exception
...ns that can be prevented programmatically. E.g NullPointerException, ArrayIndexOutOfBoundException. If you check for null before calling any method, NullPointerException would never occur. Similarly ArrayIndexOutOfBoundException would never occur if you check the index first. RuntimeException are n...
Does JavaScript guarantee object property order?
...ach own property key P of O [the object being iterated] that is an integer index, in ascending numeric index order
... each own property key P of O that is a String but is not an integer index, in property creation order
... each own property key P of O that is a Symbol, in property creation ord...
Java String - See if a string contains only numbers and not letters
...at could be expensive). What about if you just iterate the string using an index and charAt, would it be faster? Would be interesting also if you could add the solution from Andy to your tests: boolean isNum = text.chars().allMatch(c -> c >= 48 && c <= 57)
– ...
Remove a file from a Git repository without deleting it from the local filesystem
... branch or the file on disk, allowing the file to be removed from just the index.
So, for a single file:
git rm --cached mylogfile.log
and for a single directory:
git rm --cached -r mydirectory
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What is a non-capturing group in regular expressions?
...st one uses the name to match the value, and the second one uses the group index (which starts at 1).
Let's try some substitutions now. Consider the following text:
Lorem ipsum dolor sit amet consectetuer feugiat fames malesuada pretium egestas.
Now, let's use this dumb regex over it:
\b(\S)(\S...
How can we print line numbers to the log in java
...
The index will change based on the JVM version. I believe it changed from 1.4 to 1.5.
– Ed Thomas
Sep 23 '08 at 7:17
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Java SE 6 vs. JRE 1.6 vs. JDK 1.6 - What do these mean?
...ava SE Downloads": http://www.oracle.com/technetwork/java/javase/downloads/index.html
Click "JDK Download" and visit "Java SE Development Kit 7 Downloads": http://www.oracle.com/technetwork/java/javase/downloads/java-se-jdk-7-download-432154.html (note that following the link from step #1 will take ...
Uncaught ReferenceError: jQuery is not defined [duplicate]
...this problem when the certificate for the site expires. Today I got it and all of my sites started failing on refresh because of it. On your console you'll only see: ReferenceError: jQuery is not defined The problem is you won't find the cause until you look at the URL and see this: code.jquer...