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Get first n characters of a string

...tring = substr($string,0,10).'...'; Update: Based on suggestion for checking length (and also ensuring similar lengths on trimmed and untrimmed strings): $string = (strlen($string) > 13) ? substr($string,0,10).'...' : $string; So you will get a string of max 13 characters; either 13 (or les...
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How to format a number as percentage in R?

...dding arguments inside the first set of parentheses. label_percent(big.mark = ",", suffix = " percent")(x) ## [1] "-100 percent" "0 percent" "10 percent" ## [4] "56 percent" "100 percent" "10,000 percent" An update, several years later: These days there is a percent functio...
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Groovy: what's the purpose of “def” in “def x = 0”?

In the following piece of code (taken from the Groovy Semantics Manual page ), why prefix the assignment with the keyword def ? ...
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Twitter Bootstrap modal: How to remove Slide down effect

... Just take out the fade class from the modal div. Specifically, change: <div class="modal fade hide"> to: <div class="modal hide"> UPDATE: For bootstrap3, the hide class is not needed. ...
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How I can I lazily read multiple JSON values from a file/stream in Python?

I'd like to read multiple JSON objects from a file/stream in Python, one at a time. Unfortunately json.load() just .read() s until end-of-file; there doesn't seem to be any way to use it to read a single object or to lazily iterate over the objects. ...
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How do I check CPU and Memory Usage in Java?

I need to check CPU and memory usage for the server in java, anyone know how it could be done? 15 Answers ...
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delegate keyword vs. lambda notation

...tree can then be compiled to an anonymous delegate. Edit: Here's some links for Expressions. System.Linq.Expression.Expression(TDelegate) (start here). Linq in-memory with delegates (such as System.Func) uses System.Linq.Enumerable. Linq to SQL (and anything else) with expressions uses System.L...
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How can I split a comma delimited string into an array in PHP?

... edited Apr 24 '16 at 11:49 Kaspar Lee 4,66022 gold badges2323 silver badges5151 bronze badges answered Jul 14 '09 at 14:24 ...
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How to fix: Handler “PageHandlerFactory-Integrated” has a bad module “ManagedPipelineHandler” in its

I am configuring an MVC 3 project to work on a local install of IIS and came across the following 500 error: 19 Answers ...
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How to automatically indent source code?

... Ctrl+E, D - Format whole doc Ctrl+K, Ctrl+F - Format selection Also available in the menu via Edit|Advanced. Thomas Edit- Ctrl+K, Ctrl+D - Format whole doc in VS 2010 share ...