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How to convert a String to CharSequence?
How to convert String to CharSequence in Java?
5 Answers
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Automatically expanding an R factor into a collection of 1/0 indicator variables for every factor le
I have an R data frame containing a factor that I want to "expand" so that for each factor level, there is an associated column in a new data frame, which contains a 1/0 indicator. E.g., suppose I have:
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How can I have a newline in a string in sh?
This
12 Answers
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What's the reason I can't create generic array types in Java?
What's the reason why Java doesn't allow us to do
17 Answers
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Exception thrown in catch and finally clause
On a question for Java at the university, there was this snippet of code:
12 Answers
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iOS start Background Thread
I have a small sqlitedb in my iOS device. When a user presses a button, I fetch the data from sqlite & show it to user.
5 A...
Python Progress Bar
How do I use a progress bar when my script is doing some task that is likely to take time?
33 Answers
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Kill child process when parent process is killed
I'm creating new processes using System.Diagnostics.Process class from my application. I want this processes to be killed when/if my application has crashed. But if I kill my application from Task Manager, child processes are not killed. Is there any way to make child processes dependent on ...
How to get folder path from file path with CMD
I need path to the folder that contains cmd file.
With %0 I can get file name. But how to get folder name?
7 Answers
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正则表达式 30 分钟入门教程 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表达式就是记录文本规则的代码。
很可能你使用过Windows/Dos下用于文件查找的通配符(wildcard)，也就是*和?。如果你想查找某个目录下的所有的Word文档的话，你会搜索*.doc。在这里，*会被解释成任意的字符串。和通配符类似，正...