大约有 7,800 项符合查询结果（耗时：0.0335秒） [XML]
When to use the different log levels
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About Debug <-> Trace: Note that at least in Java-land, the order of priority is "debug > trace". That's the convention all logging frameworks I know use (SLF4J, Logback, log4j, Apache Commons Logging, Log4Net, NLog). So Debug < Trace seems unusual to me.
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No == operator found while comparing structs in C++
...even within a given program. For entity objects, the solution provided by Java works very well (and of course, you can do exactly the same thing in C++---it's even idiomatic C++ for entity objects). The question is what to do about value objects. C++ provides a default operator= (even if it often...
how to ignore namespaces with XPath
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Take a look at this tutorial: codesimplify.com/java/java-xpath-ignore-namespace-example
– hipokito
Jun 13 '17 at 13:02
1
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In a PHP project, what patterns exist to store, access and organize helper objects? [closed]
...e-have-all-singletons-gone.html
Alternatives
a service provider
http://java.sun.com/blueprints/corej2eepatterns/Patterns/ServiceLocator.html
dependency injection
http://en.wikipedia.org/wiki/Dependency_injection
and a php explanation:
http://components.symfony-project.org/dependency-injection...
Android ImageView Zoom-in and Zoom-Out
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Make two java classes
Zoom class
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.drawable.Drawable;
import android.view.KeyEvent;
import android.view.View;
import android.widget.Button;
import...
Read an Excel file directly from a R script
...ng XLConnect are, in my opinion:
Cross platform. XLConnect is written in Java and, thus, will run on Win, Linux, Mac with no change of your R code (except possibly path strings)
Nothing else to load. Just install XLConnect and get on with life.
You only mentioned reading Excel files, but XLConnec...
Android Game Keeps Getting Hacked [closed]
...cies).
Once you learn to read smali, it is almost as reading the original java code (but with way more LOCs). So, any code you add to check for keys can be found and deleted or replaced. You don't even need to recompile each time to eliminate more than one (some searches do miracles to find similar...
What is a sealed trait?
...t took me six months to randomly arrive here and understand how to replace Java Enum in Scala.
– sscarduzio
Oct 14 '14 at 14:58
1
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Recommended way to save uploaded files in a servlet application
...Simplest way to serve static data from outside the application server in a Java web application (in case you want to serve it back)
How to save generated file temporarily in servlet based web application
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What is an “unwrapped value” in Swift?
...you write much safer code. E.g. imagine all the null pointer exceptions in Java crashing a program because somebody forgot to check for null. Or weird behaviour on Objective-C because you forgot to check for nil. With Optional type you can't forget to deal with nil. The compiler forces you to deal w...