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Get name of caller function in PHP?

... See debug_backtrace - this can trace your call stack all the way to the top. Here's how you'd get your caller: $trace = debug_backtrace(); $caller = $trace[1]; echo "Called by {$caller['function']}"; if (isset($caller['class']))...
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What really happens in a try { return x; } finally { x = null; } statement?

I saw this tip in another question and was wondering if someone could explain to me how on earth this works? 5 Answers ...
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How to backup a local Git repository?

I am using git on a relatively small project and I find that zipping the .git directory's contents might be a fine way to back up the project. But this is kind of weird because, when I restore, the first thing I need to do is git reset --hard . ...
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Is AngularJS just for single-page applications (SPAs)?

We are looking at options to build the front end of an application we are creating and are trying to evaluate a tool that will work for us and give us the best platform to move forward. ...
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Detect enter press in JTextField

Is it possible to detect when someone presses Enter while typing in a JTextField in java? Without having to create a button and set it as the default. ...
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Equivalent of “throw” in R

... See help(tryCatch): Conditions are signaled by 'signalCondition'. In addition, the 'stop' and 'warning' functions have been modified to also accept condition arguments. and later under 'See Also': 'stop' and 'warning' signal conditions, and 'try' is esse...
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string to string array conversion in java

... I want to convert into a string array. How do I do it? Is there any java built in function? Manually I can do it but I'm searching for a java built in function. ...
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海量数据相似度计算之simhash和海明距离 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...hashcode却不能做到,这个就是局部敏感哈希的魅力。目前Broder提出的shingling算法和Charikar的simhash算法应该算是业界公认比较好的算法。在simhash的发明人Charikar的论文中并没有给出具体的simhash算法和证明,“量子图灵”得出的证明...
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Structs versus classes

I'm about to create 100,000 objects in code. They are small ones, only with 2 or 3 properties. I'll put them in a generic list and when they are, I'll loop them and check value a and maybe update value b . ...
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Sticky sidebar: stick to bottom when scrolling down, top when scrolling up

I have been looking for some time now for a solution to my sticky sidebar problem. I have a specific idea of how I would like it to act; effectively, I would like it to stick to the bottom as you scroll down, and then as soon as you scroll back up I would like it to stick to the top, in a fluid moti...