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Step 1: Update the system Step 2: Install the Nux Dextop YUM repo There are no official FFmpeg rpm packages for CentOS for now. Instead, you can use a 阅读全文
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SELECT * FROM pg_trigger 阅读全文
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只要触发器，其他都不要 方法1：plsql develop调用exp：tools-》export object—》trigger 方法2：select dbms_metadata.get_ddl(object_type=>'TRIGGER',NAME=>TRIGGER_NAME) FROM USER 阅读全文
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--生成删除触发器的语句 select 'drop trigger "'||trigger_name||'";' from all_triggers where TRIGGER_name LIKE '%触发器名字模糊搜索%'然后批量上面SQL执行返回的结果即可达到批量删除触发器的目的 阅读全文
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//解密數據 using (var ss = File.OpenRead(@"d:\qq.d.flac")) { using (FileStream w = new FileStream(@"d:\qq.flac", FileMode.Create)) { using (var cs = AesSt 阅读全文
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上面二行中,第一行是將x變數放入null,為什麼int能放null,可以參考另一篇文章http://charleslin74.pixnet.net/blog/post/444588266-%5BC#%5D%20%E8%AE%8A%E6%95%B8%E5%9E%8B%E6%85%8B%E5%BE%8C 阅读全文
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using (HMACSHA1 m = new HMACSHA1(Encoding.UTF8.GetBytes("AKIDZfbOA78asKUYBcXFrJD0a1ICvR98JM"))) { var result = BitConverter.ToString(m.ComputeHash(Encoding.UTF8.GetBytes... 阅读全文
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编辑项目.csproj的文件，里面加上如下节点保存即可： <ItemGroup> <DotNetCliToolReference Include="Microsoft.VisualStudio.Web.CodeGeneration.Tools" Version="1.0.0-msbuild3-fin 阅读全文
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public class YourController : Controller { public ActionResult MyPage(string id) { var entity = _db.Get(id); var headerValue = context.HttpContext.Request.Headers['If-Modified... 阅读全文
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Basic Replication If you’re feeling overwhelmed, try setting up a slave to see how easy it is! We’ll assume that you have a running PostgreSQL install 阅读全文