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互联网健身的火爆:技术驱动是内因 资本只是点缀 - 资讯 - 清泛网 - 专注C/...

...9月17日,动吧体育获得3000万A轮融资;就在同一天,足球APP懂球帝获得B轮1000万美元融资;11月8日,健康猫获得A轮3500万融资;12月1日,柠檬健身获得A轮数千万融资…… 同所有被资本关注过的行业一样,互联网健身在出现的那一...
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How to convert an NSTimeInterval (seconds) into minutes

...tes but also to days, months, week, etc,... I think this is a more generic approach Use NSCalendar method: (NSDateComponents *)components:(NSUInteger)unitFlags fromDate:(NSDate *)startingDate toDate:(NSDate *)resultDate options:(NSUInteger)opts "Returns, as an NSDateComponents object using specifi...
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How can I sharpen an image in OpenCV?

... [-1,-1,-1]]) sharpened = cv2.filter2D(image, -1, kernel) # applying the sharpening kernel to the input image & displaying it. cv2.imshow('Image Sharpening', sharpened) cv2.waitKey(0) cv2.destroyAllWindows() There is another method of subtracting a blurred version of ...
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How can I tell jackson to ignore a property for which I don't have control over the source code?

...e abstract int ignoreThis(); // we don't need it! } With this: objectMapper.getSerializationConfig().addMixInAnnotations(YourClass.class, MixIn.class); Edit: Thanks to the comments, with Jackson 2.5+, the API has changed and should be called with objectMapper.addMixIn(Class<?> target, ...
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How to lock compiled Java classes to prevent decompilation?

... +1 for "Locks are for animals". I guess the appropriate term here would be script kiddies. – Antimony Apr 1 '13 at 2:11 ...
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What does upstream mean in nginx?

...ly used for defining either a web server cluster for load balancing, or an app server cluster for routing / load balancing. share | improve this answer | follow ...
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SQL variable to hold list of integers

...ring parameter provided by a user. Depending on your architecture of your app, this could or could not be an issue. – Rogala Oct 25 '17 at 20:34 ...
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Django - Difference between import django.conf.settings and import settings

...s the basic difference between the following import statements in a Django app? 1 Answer ...
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Why doesn't nodelist have forEach?

...ere was a bug in Google's Closure Library which caused almost all Google's apps to fail due to this. The library was updated as soon as this was found but there might still be code out there that makes the same incorrect assumption in combination with concat. That is, some code did something like i...
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Swift - Cast Int into enum:Int

I am very new to Swift (got started this week) and I'm migrating my app from Objective-C. I have basically the following code in Objective-C that works fine: ...