大约有 40,000 项符合查询结果(耗时:0.0286秒) [XML]

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MySQL/Amazon RDS error: “you do not have SUPER privileges…”

...e “Parameter Groups” tab. Create a new Parameter Group. On the dialog, select the MySQL family compatible to your MySQL database version, give it a name and confirm. Select the just created Parameter Group and issue “Edit Parameters”. Look for the parameter ‘log_bin_trust_function_creators...
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Postgresql query between date ranges

... things become simpler if you use >= start AND < end. For example: SELECT user_id FROM user_logs WHERE login_date >= '2014-02-01' AND login_date < '2014-03-01' In this case you still need to calculate the start date of the month you need, but that should be straight forw...
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How to get the first and last date of the current year?

... SELECT DATEADD(yy, DATEDIFF(yy, 0, GETDATE()), 0) AS StartOfYear, DATEADD(yy, DATEDIFF(yy, 0, GETDATE()) + 1, -1) AS EndOfYear The above query gives a datetime value for midnight at the beginning of December 31. This ...
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LINQ to Entities does not recognize the method

...re(iv => alm_x_suc.Exists(axs => axs.almacen == iv.LOCNCODE.Trim())).Select(iv => iv.ITEMNMBR.Trim()).ToList(); this was the exactly error: System.NotSupportedException: 'LINQ to Entities does not recognize the method 'Boolean Exists(System.Predicate`1[conector_gp.Models.almacenes_por...
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A CSS selector to get last visible div

A tricky CSS selector question, don't know if it's even possible. 10 Answers 10 ...
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MySQL OPTIMIZE all tables?

...>.<your_table>;, optimize all tables in a given schema like this: select concat('OPTIMIZE NO_WRITE_TO_BINLOG TABLE ',table_schema,'.',table_name,';') into outfile '/tmp/optimize_all_tables.sql' from information_schema.tables where table_schema = 'pabeta' and table_type = 'base table'; sourc...
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Convert List into Comma-Separated String

...s before you Aggragate to string. So you can do something like this: list.Select(x => string.Format("{0}:{1}", x.Key, x.Value)).Aggregate((a, x) => a+ ", " + x); – bets Jul 20 '17 at 8:14 ...
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Easier way to debug a Windows service

...classes. The solution I came up with uses the Environment.Interactive the select running mode, as suggested by other answers to this post. static void Main() { ServiceBase[] servicesToRun; servicesToRun = new ServiceBase[] { new MyService() }; if (Environment.UserInter...
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Auto select file in Solution Explorer from its open tab

...times, I find myself right-clicking on a tab title and searching for Show/Select/Scroll-to this file in Solution Explorer , and I can't find it. ...
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Checking for an empty field with MySQL

... I have same comment as Quassnoi's. I issue "select orig_id,hotline from normal_1952 where !(hotline > '')" and there's one record with null hotline but it doesn't match.I'm using MySQL 5.6 – Scott Chu Apr 15 '16 at 10:16 ...