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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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十年磨一“饼” 一个70后连续创业者的心路历程 - 资讯 - 清泛网 - 专注C/C+...
...痛点、高标准化的特点).
战术上，要建立强大的供应链系统保证产品的品质和稳定，在市场策略上，运用O2O融合营销、使传播和转换更高效。
以上所有的努力最终检验的是：能否增加消费频次，最终将其变为刚需、高频的产品...
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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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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Subclassing a Java Builder class
...s() method, and let it return the extending builder. This compiles because Java supports covariant return types.
public class GMOFacts extends NutritionFacts {
private final boolean hasGMO;
public static class Builder extends NutritionFacts.Builder {
private boolean hasGMO = false;
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