apache-commons

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how to download a file in java?

I\'ve tried a few byte while loop methods and this method below: try { URL dl = null; dl = new URL(\"http://ds-forums.com/kyle-tests/uploads/Screenshots.zip\");[详细]

2023-02-05 00:53 分类：问答
tomcat-dbcp vs commons-dbcp

It seems there is a lot of confusion between these two connection pooling libraries. What I want to know is which one is better (if at all)?[详细]

2023-02-04 20:53 分类：问答
How to fetch parameters when using the Apache Commons CLI library

I\'m using the Apache Commons CLI to handle command line arguments in Java. I\'ve declared the a and b options and I\'m able to access the value using CommandLine.getOptionValue().[详细]

2023-02-04 20:46 分类：问答
apache commons lang StrTokenizer

Since I need empty tokens to read either as empty string or null, I decided to use the apache common开发者_如何学Pythons lang StrTokenizer[详细]

2023-02-04 17:51 分类：问答
Android attachment upload via HTTPS

How can my app ask the user to choose a file and then upload that file to the server? The file will either come from a browser based download or it will come from the camera stored it.[详细]

2023-02-04 11:13 分类：问答
How to pipe a string argument to an executable launched with Apache Commons Exec?

I need to pipe a text argument to the stdin of a command launched with Apache Commons Exec (for the curious, the command is gpg and the argument is the passphrase to the keystore; gpg does not have an[详细]

2023-02-04 02:31 分类：问答
Why can't I set a Transformer to a LazyList in Apache Commons?

In apache.commons.collections there is a class called MapUtils which have these two methods to define a Map which can create on demand objects for the map:[详细]

2023-02-03 11:38 分类：问答
"Cannot locate configuration source" when using commons-configuration XMLConfiguration with Tomcat

I\'m building two apps that uses commons-configuration XMLConfiguration. Since the apps are related, I\'ve build another project, called commons, that has a custom configuration manager that initializ[详细]

2023-02-01 12:24 分类：问答
What are the big improvements between guava and apache equivalent libraries?

We currently use apache collections, string utils, etc. I need to decide if we should switch from the apache foundations implementation.[详细]

2023-02-01 03:48 分类：问答
Help with using FFT to determine frequency of an audio sample

I\'m currently developing a percussion tutorial program. The program requires that I can determine what drum is being played, to do this I was going to analyse the frequency of the drum recording and[详细]

2023-01-31 23:25 分类：问答