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How to import multiple .csv files at once?

...ariables but each from different times. Is there a way in R to import them all simultaneously rather than having to import them all individually? ...
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SqlException from Entity Framework - New transaction is not allowed because there are other threads

...red that the foreach loops were the culprits. What needs to happen is to call EF but return it into an IList<T> of that target type then loop on the IList<T>. Example: IList<Client> clientList = from a in _dbFeed.Client.Include("Auto") select a; foreach (RivWorks.Model.Negotiati...
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image processing to improve tesseract OCR accuracy

... the kernel size depending on your data set): kernel = np.ones((1, 1), np.uint8) img = cv2.dilate(img, kernel, iterations=1) img = cv2.erode(img, kernel, iterations=1) Applying blur, which can be done by using one of the following lines (each of which has its pros and cons, however, median blur an...
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Should operator

That's basically the question, is there a "right" way to implement operator<< ? Reading this I can see that something like: ...
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Can a C# class inherit attributes from its interface?

...h is searched for the attributes.</param> /// <returns>Returns all attributes.</returns> public static T[] GetCustomAttributes<T>( this Type type ) where T : Attribute { return GetCustomAttributes( type, typeof( T ), false ).Select( arg => (T)arg ).ToArray(); } /// <...
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How do I choose grid and block dimensions for CUDA kernels?

...eads per block should be a round multiple of the warp size, which is 32 on all current hardware. Each streaming multiprocessor unit on the GPU must have enough active warps to sufficiently hide all of the different memory and instruction pipeline latency of the architecture and achieve maximum throu...
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Generate class from database table

...ar' then 'string' when 'real' then 'float' when 'smalldatetime' then 'DateTime' when 'smallint' then 'short' when 'smallmoney' then 'decimal' when 'text' then 'string' when 'time' then 'TimeSpan' when 'timestamp' the...
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?

... // convert ArrayBuffer to Array const hashArray = Array.from(new Uint8Array(hashBuffer)); // convert bytes to hex string const hashHex = hashArray.map(b => ('00' + b.toString(16)).slice(-2)).join(''); return hashHex; } Note that crypto.subtle in only ava...
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廉价共享存储解决方案2-drbd+cman+gfs2 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...aliyun.com/repo/Centos-6.repo 把$releasever 全部改为6 yum clean all&yum makecache 3、安装DRBD 请参考 http://user.qzone.qq.com/58740020/blog/1448855653 3.1、不一样的地方 同步以上操作或文件,并初始化资源及启动服务 drbdadm create-md r0 service d...
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How add context menu item to Windows Explorer for folders [closed]

... HKEY_CURRENT_USER\Software\Classes\*\shell if you are a normal user In all cases: add a new key under shell, naming it as you want to name the context menu item add a new key inside this key, named command (mandatory name) edit the default property in command to myprogrampath\path\path\executa...