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Draw a perfect circle from user's touch

...ounds = new Point[shape.length]; final int STEP = 5; int index = 0; Point current = points.get(0); Type type = null; for (int i = STEP; i < points.size(); i += STEP) { Point next = points.get(i); int dx = next.x - current....
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Better to 'try' something and catch the exception or test if it's possible first to avoid an excepti

...case of trying to find an element in a long list by: try: x = my_list[index] except IndexError: x = 'NO_ABC' the try, except is the best option when the index is probably in the list and the IndexError is usually not raised. This way you avoid the need for an extra lookup by if index <...
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What's the best way to do a backwards loop in C/C#/C++?

... So how if the array is really large(so the index has to be of unsigned type)? size_t is actually unsigned, isnt it? – lalala Nov 6 '19 at 19:54 ...
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How to speed up insertion performance in PostgreSQL

.... I have a table with one column with number as its data type. There is an index on it as well. I filled the database up using this query: ...
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Patterns for handling batch operations in REST web services?

...5.13. [...] The queue maintains two arrays. queued is a numerically indexed array, to which new updates are appended. sent is an associative array, containing those updates that have been sent to the server but that are awaiting a reply. Here are two pertinent functions -- one res...
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Bash Script : what does #!/bin/bash mean? [duplicate]

... That is called a shebang, it tells the shell what program to interpret the script with, when executed. In your example, the script is to be interpreted and run by the bash shell. Some other example shebangs are: (From Wikipedia) #...
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Editing Javascript using Chrome Developer Tools

... and found the solution. If you have the file prettified, Chrome will not allow edits. I turned it off and was able to edit. Willing to bet this is/was your problem. share | improve this answer ...
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转:postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术

转:postfix安装Q&A 原文地址:http: bbs.chinaunix.net viewthread.php?tid=770141执照wangmingda老大的资料安装成功postfix(地址在这里http: www.extmail.... 原文地址:http://bbs.chinaunix.net/viewthread.php?tid=770141 执照wangmingda老大...
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Preserving order with LINQ

... the source. Preserves Order Absolutely. You can map a source element by index to a result element AsEnumerable Cast Concat Select ToArray ToList Preserves Order. Elements are filtered or added, but not re-ordered. Distinct Except Intersect OfType Prepend (new in .net 4.7.1) Skip SkipWhile ...
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How to get the index of a maximum element in a numpy array along one axis

...>>> a = np.array([[1,2,3],[4,3,1]]) >>> i,j = np.unravel_index(a.argmax(), a.shape) >>> a[i,j] 4 share | improve this answer | follow ...