大约有 14,600 项符合查询结果(耗时:0.0396秒) [XML]

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How to determine if a list of polygon points are in clockwise order?

...nd y coordinates can be determined by subtracting the coordinates of their start and end points: edgeE = point0 - point4 = (1, 0) - (5, 0) = (-4, 0) and edgeA = point1 - point0 = (6, 4) - (1, 0) = (5, 4) and And the cross product of these two adjoining edges is calculated using the determi...
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https connection using CURL from command line

...I discovered the root of the problem. I was using an SSL certificate (from StartSSL, but I don't think that matters much) and hadn't set up the intermediate certificate properly. If you're having the same problem as user1270392 above, it's probably a good idea to test your SSL cert and fix any issue...
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How to get year, month, day, hours, minutes, seconds and milliseconds of the current moment in Java?

... I prefer this one, especially in i18n work to get startTime or endTime : new SimpleDateFormat("yyyy-MM-dd HH:mm:ss", Locale.ENGLISH).format(new Date()); – Eddy May 30 '16 at 2:29 ...
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How can I combine multiple rows into a comma-delimited list in Oracle? [duplicate]

... COUNT (*) OVER () cnt FROM countries) WHERE rn = cnt START WITH rn = 1 CONNECT BY rn = PRIOR rn + 1; CSV -------------------------- Albania,Andorra,Antigua ...
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How to check if a line is blank using regex

...\n|\n|\r))|^\s*$/gm All I did is add ^ as second character to signify the start of line. share | improve this answer | follow | ...
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Find the Smallest Integer Not in a List

... is less than N, set the X'th element of the array to true. Scan the array starting from index 0, looking for the first element that is false. If you find the first false at index I, then I is the answer. Otherwise (i.e. when all elements are true) the answer is N. In practice, the "array of N b...
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Android Calling JavaScript functions in WebView

... Starting with KitKat there is the evaluateJavascript method, check stackoverflow.com/a/32163655/3063226 – Heitor Jul 29 '16 at 7:16 ...
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Python vs Bash - In which kind of tasks each one outruns the other performance-wise? [closed]

... however would hardly be Linux without the thousands of shell scripts that startup the system, respond to events, control execution priorities and compile, configure and run programs. Many of these are quite large and complex. Shells provide an infrastructure that lets us use pre-built components t...
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Why is Go so slow (compared to Java)?

... entirely (e.g. predicting virtual call destinations in JIT-compiled Java) starts to get tricky. FWIW, my own very trivial test with Go when I was taking a look at it (a loop of integer addition, basically), gccgo produced code towards the fast end of the range between gcc -O0 and gcc -O2 for equiv...
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Why use getters and setters/accessors?

...ne app where it's never been needed. That said, if it's needed once, it'd start causing a maintenance nightmare. Good enough for a checkmark for me. – Dean J Oct 14 '09 at 18:24 ...