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How can I force division to be floating point? Division keeps rounding down to 0?

I have two integer values a and b , but I need their ratio in floating point. I know that a < b and I want to calculate a / b , so if I use integer division I'll always get 0 with a remainder of a . ...
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Storing C++ template function definitions in a .CPP file

...n’t I separate the definition of my templates class from its declaration and put it inside a .cpp file? How can I avoid linker errors with my template functions? How does the C++ keyword export help with template linker errors? They go into a lot of detail about these (and other) template issues...
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How to install JSTL? The absolute uri: http://java.sun.com/jstl/core cannot be resolved

... users. The problem with Tomcat is that it does not offer JSTL out the box and thus you have to manually install it. This is not necessary in normal Java EE servers. See also What exactly is Java EE? In your specific case, your pom.xml basically tells you that you have jstl-1.2.jar and standard-1.1...
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Easiest way to check for an index or a key in an array?

... To check if the element is set (applies to both indexed and associative array) [ ${array[key]+abc} ] && echo "exists" Basically what ${array[key]+abc} does is if array[key] is set, return abc if array[key] is not set, return nothing References: See Parameter Expa...
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Testing modules in rspec

...ting modules in rspec? I have some modules that get included in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up? ...
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How to call function of one php file from another php file and pass parameters to it?

I want to call a function in one PHP file from a second PHP file and also pass two parameters to that function. How can I do this? ...
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How can I configure Logback to log different levels for a logger to different destinations?

... things with Logback filters. The below configuration will only print warn and error messages to stderr, and everything else to stdout. logback.xml <appender name="stdout" class="ch.qos.logback.core.ConsoleAppender"> <target>System.out</target> <filter class="com.foo.StdOu...
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GitHub relative link in Markdown file

...nk from within a Markdown file, to another file within the same repository and branch (aka a link relative to the current branch)? ...
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Eliminate extra separators below UITableView

...usting the height, you can affect how the "bottom bounce" of the table is handled, as you prefer. (Height zero is usually fine). To do it programmatically: Swift override func viewDidLoad() { super.viewDidLoad() self.tableView.tableFooterView = UIView() } Objective-C iOS 6.1+ - (...
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Split array into chunks

...his answer): More efficient method: // refresh page if experimenting and you already defined Array.prototype.chunk Object.defineProperty(Array.prototype, 'chunk', { value: function(chunkSize) { var R = []; for (var i = 0; i < this.length; i += chunkSize) R.push(this.s...