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Remove all whitespace in a string
I want to eliminate all the whitespace from a string, on both ends, and in between words.
10 Answers
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Retrieving the last record in each group - MySQL
There is a table messages that contains data as shown below:
27 Answers
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jQuery, simple polling example
I'm learning jQuery, and I'm trying to find a simple code example that will poll an API for a condition. (ie, request a webpage every few seconds and process the results)
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YAML current date in rmarkdown
I'm wondering if there's a trick to put the current date in the YAML front-matter of a .rmd document to be processed by knitr and the rmarkdown package. I used to have the following line at the top of my wiki pages,
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How can I “pretty print” a Duration in Java?
Does anyone know of a Java library that can pretty print a number in milliseconds in the same way that C# does?
11 Answers
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Can I zip more than two lists together in Scala?
...y size, but the transpose function does exactly what you need if you don't mind getting a list of lists instead.
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Enabling ProGuard in Eclipse for Android
The new documentation on ProGuard for Android says to add a line to the default.properties file in the project home directory. However, on opening this file, I read at the top:
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How do I programmatically click a link with javascript?
Is there a way to click on a link on my page using JavaScript?
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Command to get time in milliseconds
Is there a shell command in Linux to get the time in milliseconds?
12 Answers
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Java using enum with switch statement
I've looked at various Q&As on SO similar to this question but haven't found a solution.
8 Answers
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