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搭建高可用mongodb集群(一)——配置mongodb - 大数据 & AI - 清泛网 - 专...

...先要存储的数据建立字段,随时可以存储自定义的数据格式。而在关系数据库里,增删字段是一件非常麻烦的事情。如果是非常大数据量的表,增加字段简直就是一个噩梦。 高可用,NoSQL在不太影响性能的情况,就可以方便...
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Semi-transparent color layer over background-image?

...5), rgba(255, 0, 0, 0.45) ), /* your image */ url(image.jpg); } share | improve this answer | follow | ...
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ZeroMQ的学习和研究(PHP代码实例) - C/C++ - 清泛网 - 专注C/C++及内核技术

...元是消息,他除了知道 Bytes 的大小,他并不关心的消息格式。因此,你可以使用任何你觉得好用的数据格式。Xml、Protocol Buffers、Thrift、json 等等。 e) 虽然可以使用 ZMQ 实现 HTTP 协议,但是,这绝不是他所擅长的。 ZMQ 的 Publish-s...
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Why can't I use background image and color together?

... use background:red url(../images/samle.jpg) no-repeat left top; share | improve this answer | follow | ...
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angularjs: ng-src equivalent for background-image:url(…)

... in template like so : <div back-img="img/service-sliders/{{someID}}/1.jpg"></div> or like so : <div ng-repeat="someID in arrayOfIDs" back-img="img/service-sliders/{{someID}}/1.jpg"></div> share ...
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Automatically resize jQuery UI dialog to the width of the content loaded by ajax

...style="display: none;"> <img src="https://i.stack.imgur.com/5leq2.jpg" width="450" height="300"> </div> <div id="content-2" style="display: none;"> <img src="https://i.stack.imgur.com/9pVkn.jpg" width="300" height="400"> </div> <div id="content-3" st...
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How to check type of files without extensions in python?

...follows: >>> import magic >>> magic.from_file('iceland.jpg') 'JPEG image data, JFIF standard 1.01' >>> magic.from_file('iceland.jpg', mime=True) 'image/jpeg' >>> magic.from_file('greenland.png') 'PNG image data, 600 x 1000, 8-bit colormap, non-interlaced' &gt...
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Batch Renaming of Files in a Directory

...eName,rename) #example: #input fileName bulk like :20180707131932_IMG_4304.JPG #output renamed bulk like :IMG_4304.JPG share | improve this answer | follow | ...
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十年磨一“饼” 一个70后连续创业者的心路历程 - 资讯 - 清泛网 - 专注C/C+...

...品质和稳定,在市场策略上,运用O2O融合营销、使传播和转换更高效。 以上所有的努力最终检验的是:能否增加消费频次,最终将其变刚需、高频的产品…… 关于融资,我们是幸运的 2014年,在公司成立2个月之后的9月,我...
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Launch an app on OS X with command line

...eds to work on files (what you would normally expect to pass as: ./myApp *.jpg), you would do it like this: open *.jpg -a myApp share | improve this answer | follow ...