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MongoDB与内存 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...体的应用,你也可以通过观察faults的大小来判断当前内存是否能够装下热数据,如果faults持续变大,就说明当前内存已经不能满足热数据的大小了。如此一来内存大小就明确了:内存 > 索引 + 热数据,最好有点富余,毕竟操作系...
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Dashed line border around UIView

... it's not a perfect way when talking about iPhone6 plus. The dotted line could become fuzzy. – LiangWang Jan 12 '15 at 14:31 1 ...
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MongoDB与内存 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术

...体的应用,你也可以通过观察faults的大小来判断当前内存是否能够装下热数据,如果faults持续变大,就说明当前内存已经不能满足热数据的大小了。如此一来内存大小就明确了:内存 > 索引 + 热数据,最好有点富余,毕竟操作系...
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你以发传单真的这么简单吗?(提升成功率干货) - 更多技术 - 清泛网 - 专...

...可衡量标准:看你想表达的内容和用户get到的内容,二者是否匹配。最简单的检验办法,找人来测试下咯。身传单,友好地让人Get到你想表达的内容重点,应该算基本要求吧。 传单的形式,是它穿的外衣、装扮,包括样式、...
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大数据告诉你:美联储加息 每次都能掀起风暴 - 资讯 - 清泛网 - 专注C/C++...

...日~17日,联邦公开市场委员会(FOMC)将在会议结束后,公布是否祭出近10年来首度加息。对于投资者来讲,美联储加息对A股市场的影响才是关注重点。市场终于迎来了强劲反弹,拉出百点长阳!然而,现在又遇到一个关键的时刻。...
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WEB端测试与移动端测试的区别 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...:一般方式是在测试一端时,出现问题则立马查看另一端是否也有这个问题。 4、移动端的特性 移动端与web端相比较来说,移动端有很多自己的特性: 1)网络种类多 移动端有多种网络:无线网络、2G、3G、4G等,断网、网速...
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Expand/collapse section in UITableView in iOS

...play and try to close it -> NSInternalInconsistencyException (iOS 8.4 / iPhone 5s) – Raimund Wege Aug 21 '15 at 14:12 ...
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NSInvalidUnarchiveOperationException: Could not instantiate class named NSLayoutConstraint

I am very new to this. I followed Apple's tutorial step by step for the iPhone project "HelloWorld". I ran it in the iPhone 5.0 simulator and it crashed: ...
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Presenting a UIAlertController properly on an iPad using iOS 8

... In Swift 2, you want to do something like this to properly show it on iPhone and iPad: func confirmAndDelete(sender: AnyObject) { guard let button = sender as? UIView else { return } let alert = UIAlertController(title: NSLocalizedString("Delete Contact?", comment: ""), me...
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How to capture UIView to UIImage without loss of quality on retina display

...ale factor of 1.0, so you're actually getting exactly the same image on an iPhone 4 as on the other iPhones. I'll bet either the iPhone 4 is applying a filter when you implicitly scale it up or just your brain is picking up on it being less sharp than everything around it. So, I guess: #import &lt...