大约有 11,295 项符合查询结果(耗时:0.0323秒) [XML]

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How to install Hibernate Tools in Eclipse?

What is the proper way to install Hibernate Tools in Eclipse as a plugin? The Hibernate site doesn't really give any instructions. ...
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Do Java arrays have a maximum size?

Is there a limit to the number of elements a Java array can contain? If so, what is it? 9 Answers ...
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What is the difference between an expression and a statement in Python?

In Python, what is the difference between expressions and statements? 14 Answers 14 ...
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SQL “select where not in subquery” returns no results

Disclaimer: I have figured out the problem (I think), but I wanted to add this issue to Stack Overflow since I couldn't (easily) find it anywhere. Also, someone might have a better answer than I do. ...
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'AND' vs '&&' as operator

I have a codebase where developers decided to use AND and OR instead of && and || . 10 Answers ...
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What is ActiveMQ used for - can we apply messaging concept using a Database?

I looked it up and it used to send messages between 2 systems. But why? Why wouldn't you just use a Database ? There must be some feature that ActiveMQ has that Databases do not? ...
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Remove multiple keys from Map in efficient way?

I have a Map<String,String> with large number of key values pairs. Now I want to remove selected keys from that Map . Following code shows what I did to achieve that. ...
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Merge PDF files

Is it possible, using Python, to merge separate PDF files? 9 Answers 9 ...
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How to concatenate strings of a string field in a PostgreSQL 'group by' query?

... am looking for a way to concatenate the strings of a field within a group by query. So for example, I have a table: 14 Ans...
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Understanding colors on Android (six characters)

...ing to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency: ...