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Repeat command automatically in Linux

...ble when we go with while. As a command: while true ; do command ; sleep 100 ; done & [ ex: # while true; do echo `date` ; sleep 2 ; done & ] Example: while true do echo "Hello World" sleep 100 done & Do not forget the last & as it will put your loop in the background. But y...
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Using Python's os.path, how do I go up one directory?

I recently upgrade Django from v1.3.1 to v1.4. 14 Answers 14 ...
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How do I use floating-point division in bash?

... you can do this: bc <<< 'scale=2; 100/3' 33.33 UPDATE 20130926 : you can use: bc -l <<< '100/3' # saves a few hits share | improve this answer ...
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Javascript Array.sort implementation?

...edian of first, last and middle element. var v0 = a[from]; var v1 = a[to - 1]; var v2 = a[third_index]; var c01 = comparefn(v0, v1); if (c01 > 0) { // v1 < v0, so swap them. var tmp = v0; v0 = v1; v1 = tmp; } // v0 <= v1. ...
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马云、王健林为什么都看中了上海? - 资讯 - 清泛网 - 专注C/C++及内核技术

...署战略合作协议,2015年起签订三年战略合作协议,搭建新人扶持、服务、创新的平台。 今年4月17日,上海通用汽车和阿里巴巴集团阿里汽车事业部签署战略合作协议,在汽车大数据营销、汽车金融、原厂售后O2O业务和二...
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布局列表框使用指导 · App Inventor 2 中文网

...选结果) { 正在加载 = true var 下一批 = [] var 结束位置 = min(已加载 + 5, length(筛选结果)) for 行号 = 已加载 + 1 to 结束位置 { listAdd(下一批, 制作行(筛选结果[行号])) } 已加载 = 结束位置 布局列表框_列表.AppendD...
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DynamicRecycler 拓展:高效动态列表 · App Inventor 2 中文网

...项] msg 索引 2 滚动控制 // 滚动到指定位置(作用于最后创建的组件) DynamicRecycler1.ScrollToPosition(5) // 平滑滚动(带动画) DynamicRecycler1.SmoothScrollTo(1) // 使用滚动监听 DynamicRecycler1.SetScrollStateListener(DynamicRecycler1....
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任意组件块 · App Inventor 2 中文网

...面是一个方法块,用于计算从标记到用户在地图上的当前位置的距离。 图 3. 使用方法块的示例,该方法块采用任何标记并计算从用户当前位置到该标记的距离。 事件 任意组件事件是任意组件块的最复杂形...
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How to restore to a different database in sql server?

...TO DISK = @TemplateBackups WITH CHECKSUM, COPY_ONLY, FORMAT, INIT, STATS = 100; -- Get the backup file list as a table variable DECLARE @BackupFiles TABLE(LogicalName nvarchar(128),PhysicalName nvarchar(260),Type char(1),FileGroupName nvarchar(128),Size numeric(20,0),MaxSize numeric(20,0),FileId ti...
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How can I get a user's media from Instagram without authenticating as a user?

...in Instagram's documentation. To perform GET on https://api.instagram.com/v1/users/<user-id>/media/recent/ (at present time of writing) you actually do not need OAuth access token. You can perform https://api.instagram.com/v1/users/[USER ID]/media/recent/?client_id=[CLIENT ID] [CLIENT ID] w...