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A regular expression to exclude a word/string
... This didn't work for me, while Alix Axel's solution did work. I'm using Java's java.util.regex.Pattern class.
– Mark Jeronimus
Jun 20 '13 at 18:27
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Difference between JSP EL, JSF EL and Unified EL [closed]
...ere those ${} things which works in JSTL tags only. It is designed to call Javabean get methods.
Nov 2003: JSP 2.0 was introduced and EL was moved from JSTL 1.0 to JSP 2.0 in javax.servlet.jsp.el package and it became standard EL as part of J2EE 1.4 standard. JSTL 1.1 was shipped without EL. Now ${}...
Count number of lines in a git repository
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If you were interested in just .java files you can use git ls-files | grep "\.java$" | xargs wc -l
– dseibert
Dec 9 '14 at 15:27
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How to convert OutputStream to InputStream?
... answered Apr 25 '11 at 13:36
Java DrinkerJava Drinker
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In log4j, does checking isDebugEnabled before logging improve performance?
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This is also the approach of java.util.Logging.
– Paul
Jun 14 '11 at 20:07
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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure
I'm working on getting my database to talk to my Java programs.
38 Answers
38
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Creating temporary files in Android
...se the File.deleteOnExit() method
https://developer.android.com/reference/java/io/File.html#deleteOnExit()
It is referenced here https://developer.android.com/reference/java/io/File.html#createTempFile(java.lang.String, java.lang.String, java.io.File)
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Number.sign() in javascript
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Should this not support JavaScript’s (ECMAScript’s) signed zeroes? It seems to work when returning x rather than 0 in the “megafast” function:
function sign(x) {
return typeof x === 'number' ? x ? x < 0 ? -1 : 1 : x === x ? x : NaN :...
Java: Instanceof and Generics
Before I look through my generic data structure for a value's index, I'd like to see if it is even an instance of the type this has been parametrized to.
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How can I output leading zeros in Ruby?
...intf, but similar formating functions are available in perl, ruby, python, java, php, etc.
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