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Intersection and union of ArrayLists in Java
Are there any methods to do so? I was looking but couldn't find any.
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Drop all tables whose names begin with a certain string
How can I drop all tables whose names begin with a given string?
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Printing without newline (print 'a',) prints a space, how to remove?
I have this code:
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...程序中都会出现线程池和工作队列问题。本文中，Brian Goetz 探讨了线程池的动机、一些基本实现和调优技术以及一些要避免的常见危险。
为什么要用线程池？
诸如 Web 服务器、数据库服务器、文件服务器或邮件服务器之类的...
How do I sort an observable collection?
I have a following class :
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Determine distance from the top of a div to top of window with javascript
How do I determine the distance between the very top of a div to the top of the current screen? I just want the pixel distance to the top of the current screen, not the top of the document. I've tried a few things like .offset() and .offsetHeight , but I just can't wrap my brain around it. Tha...
Make Font Awesome icons in a circle?
I am using font awesome on some project but I have some things that I want to do with font awesome icons, I can easily call an icon like this:
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Android: Storing username and password?
If I want to store the username and password to be used inside an Android application, what is the best way to do it? Is it through the preferences screen (but what if the user misses this?), or pop up a dialog box and ask the user for the credentials? If so, I do have to maintain state for the appl...
How to calculate the number of occurrence of a given character in each row of a column of strings?
I have a data.frame in which certain variables contain a text string. I wish to count the number of occurrences of a given character in each individual string.
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git: Apply changes introduced by commit in one repo to another repo
I have a repo1 and repo2 on local machine. They are very similar, but the latter is some kind of other branch ( repo1 is not maintained anymore).
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