大约有 7,479 项符合查询结果(耗时:0.0576秒) [XML]

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How to specify JVM maximum heap size “-Xmx” for running an application with “run” action in SBT?

...rays processing and needs more memory than JVM gives by default. I know in Java it's specified by "-Xmx" option. How do I set SBT up to use particular "-Xmx" value to run an application with "run" action? ...
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Using Java 8's Optional with Stream::flatMap

The new Java 8 stream framework and friends make for some very concise java code, but I have come across a seemingly-simple situation that is tricky to do concisely. ...
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Best approach to converting Boolean object to string in java

... @lazyvab In all honesty I have no idea! I don't write Java anymore but I can only presumable it was something I must have heard. I've been programming in other languages for the past few years but can't see why using this in production would hurt. Besides System.out.println is f...
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What are the effects of exceptions on performance in Java?

Question: Is exception handling in Java actually slow? 18 Answers 18 ...
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Reversing a linked list in Java, recursively

I have been working on a Java project for a class for a while now. It is an implementation of a linked list (here called AddressList , containing simple nodes called ListNode ). The catch is that everything would have to be done with recursive algorithms. I was able to do everything fine sans one ...
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Converting a string to int in Groovy

... and would like to convert it to an int . Is there a groovy equivalent of Java's Integer.parseInt(String) ? 13 Answers ...
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limiting java ssl debug logging

...he format for using the additional ssl flags is ssl:[flag] for example: -Djavax.net.debug=ssl:record or -Djavax.net.debug=ssl:handshake. share | improve this answer | follow...
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Why does the MongoDB Java driver use a random number generator in a conditional?

I saw the following code in this commit for MongoDB's Java Connection driver , and it appears at first to be a joke of some sort. What does the following code do? ...
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How can we redirect a Java program console output to multiple files?

...to provide alternative formatting. The argument must be valid pattern for java.util.SimpleDateFormat. Or you can also use a system_property or an env_var to specify something dynamic (either one needs to be specified as arguments) ...
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What's the best way to check if a String represents an integer in Java?

... (c < '0' || c > '9')... are the <= and >= operators faster in Java? – Anonymous Oct 26 '08 at 1:43 3 ...