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Explode PHP string by new line

...from. So please use the solution from @Alin_Purcaru (three down) to cover all your bases (and upvote his answer): $skuList = preg_split('/\r\n|\r|\n/', $_POST['skuList']); share | improve this an...
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How to detect if a script is being sourced

I have a script where I do not want it to call exit if it's being sourced. 17 Answers ...
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How to find out what type of a Mat object is with Mat::type() in OpenCV

..."; r += (chans+'0'); return r; } If M is a var of type Mat you can call it like so: string ty = type2str( M.type() ); printf("Matrix: %s %dx%d \n", ty.c_str(), M.cols, M.rows ); Will output data such as: Matrix: 8UC3 640x480 Matrix: 64FC1 3x2 Its worth noting that there are also Matr...
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How to get the return value from a thread in python?

...ram in param_list] The order will be maintained, and exiting the with will allow result collection. [f.result() for f in futures] – jayreed1 Jun 4 at 21:29 ...
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?

...initelyTyped/DefinitelyTyped) first. This is a community repo full of literally thousands of .d.ts files and it's very likely the thing you're using is already there. You should also check TypeSearch (https://microsoft.github.io/TypeSearch/) which is a search engine for NPM-published .d.ts files; th...
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Node.js / Express.js - How does app.router work?

...use is app.use() . When the middleware is being executed, it will either call the next middleware by using next() or make it so no more middleware get called. That means that the order in which I place my middleware calls is important, because some middleware depends on other middleware, and some...
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When is “i += x” different from “i = i + x” in Python?

... This depends entirely on the object i. += calls the __iadd__ method (if it exists -- falling back on __add__ if it doesn't exist) whereas + calls the __add__ method1 or the __radd__ method in a few cases2. From an API perspective, __iadd__ is supposed to be used fo...
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mongodb group values by multiple fields

... $slice just off the basic aggregation result. For "large" results, run parallel queries instead for each grouping ( a demonstration listing is at the end of the answer ), or wait for SERVER-9377 to resolve, which would allow a "limit" to the number of items to $push to an array. db.books.aggregate(...
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What is the volatile keyword useful for?

... volatile has semantics for memory visibility. Basically, the value of a volatile field becomes visible to all readers (other threads in particular) after a write operation completes on it. Without volatile, readers could see some non-updated value. To answer your question: Y...
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How should the ViewModel close the form?

... window). You're welcome to make other tradeoffs, but it seems like a generally good deal to me. – Joe White May 6 '12 at 18:54  |  show 24 mo...