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How to remove not null constraint in sql server using query

... or you can do : alter table table_name modify column_name type(30) NULL. 30 being the size of your column type, example: varchar(30) – nr5 Sep 19 '12 at 18:11 ...
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c++11右值引用、std::move移动语义、std::forward完美转发的一些总结 - C/C...

...用、std::move移动语义、std::forward完美转发的一些总结c++11_rvalue_move_forwardstd::move 实际上并不能移动任何东西,它唯一的功能是将一个左值强制转换为右值引用,继而用于移动语义。从实现上讲,它基本等同于一个类型转换:static_...
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Get local IP address in node.js

... var _ = require('underscore'); var ip = _.chain(require('os').networkInterfaces()).flatten().filter(function(val){ return (val.family == 'IPv4' && val.internal == false) }).pluck('address').first().value(); console.log(ip...
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How to verify that a specific method was not called using Mockito?

... 1132 Even more meaningful : import static org.mockito.Mockito.never; import static org.mockito.Mock...
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Byte order mark screws up file reading in Java

...ines 5 types of BOMs:<ul> * <li><pre>00 00 FE FF = UTF-32, big-endian</pre></li> * <li><pre>FF FE 00 00 = UTF-32, little-endian</pre></li> * <li><pre>FE FF = UTF-16, big-endian</pre></li> * <li><pre&g...
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HttpClient.GetAsync(…) never returns when using await/async

...ext. So, here's why test5 fails: Test5Controller.Get executes AsyncAwait_GetSomeDataAsync (within the ASP.NET request context). AsyncAwait_GetSomeDataAsync executes HttpClient.GetAsync (within the ASP.NET request context). The HTTP request is sent out, and HttpClient.GetAsync returns an uncomplet...
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Should arrays be used in C++?

... answered May 23 '12 at 11:32 James KanzeJames Kanze 139k1515 gold badges160160 silver badges305305 bronze badges ...
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sed in-place flag that works both on Mac (BSD) and Linux

...s/… – OregonTrail Mar 28 '19 at 2:32 1 This is easily the best solution for portability ...
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Fastest way to serialize and deserialize .NET objects

...? My god no. – BjarkeCK Jun 1 at 10:32 ...
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How to display PDF file in HTML?

...tion of a PDF file in your HTML web-page is very easy. <embed src="file_name.pdf" width="800px" height="2100px" /> Make sure to change the width and height for your needs. Good luck! share | ...