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Copying files from one directory to another in Java
...irectory in the dir directory, which I have created right before the iteration.
In the code, I want to copy the review (which represents the ith text file or review) to trainingDir . How can I do this? There seems not to be such a function (or I couldn't find). Thank you.
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WhatsApp如何成为销售钻戒的店面？ - 资讯 - 清泛网 - 专注C/C++及内核技术
...谷歌Chrome浏览器(主要针对安卓用户)推出了其应用的桌面版本后，该问题得以解决。
皮瑞安科夫另外有一部手机，专门用于在WhatsApp上与顾客交流，并将其跟三位销售人员的PC相连接。现在，无论他们何时与顾客交流，他们都能...
Recursively list files in Java
...ay to traverse files. Since it's a stream you can do all nice stream operations on the result such as limit, grouping, mapping, exit early etc.
UPDATE: I might point out there is also Files.find which takes a BiPredicate that could be more efficient if you need to check file attributes.
Files.find...
How to write DataFrame to postgres table?
...l, sqlite and oracle databases. I cant pass to this method postgres connection or sqlalchemy engine.
5 Answers
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How can I convert an image into a Base64 string?
...an older SDK library (because you want it to work on phones with older versions of the OS) you won't have the Base64 class packaged in (since it just came out in API level 8 AKA version 2.2).
Check this article out for a workaround:
How to base64 encode decode Android
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How to attach javadoc or sources to jars in libs folder?
New version of ADT r17 plugin for Eclipse added feature to automatically setup JAR dependencies. Any .jar files in the /libs folder are added to the build configuration now. Unfortunately Android Dependencies classpath container is non modifiable.
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ASP.NET MVC View Engine Comparison
... - in practice razor can call code but not vice versa, which can encourage mixing of code and presentation.
Syntax is very html-oriented; generating non-html content can be tricky. Despite this, razor's data model is essentially just string-concatenation, so syntax and nesting errors are neither st...
Loadbalancing web sockets
I have a question about how to load balance web sockets.
3 Answers
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File being used by another process after using File.Create()
...thing quick and dirty.
I was a young programmer when I answered this question, and back then I thought I was some kind of genius for coming up with this answer.
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Easiest way to detect Internet connection on iOS?
I know this question will appear to be a dupe of many others, however, I don't feel the simple case is well explained here. Coming from an Android and BlackBerry background, making requests through HTTPUrlConnection instantly fail if there is no connection available. This seems like completely san...