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Database Diagram Support Objects cannot be Installed … no valid owner

...und under the 'files' section of the database properties window, and is as scripted by management studio. USE [your_db_name] GO EXEC dbo.sp_changedbowner @loginame = N'sa', @map = false GO According to the sp_changedbowner documentation this is deprecated now. Based on Israel's answer. Aaron's a...
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When to use Hadoop, HBase, Hive and Pig?

...has 2 parts: the Pig Interpreter and the language, PigLatin. You write Pig script in PigLatin and using Pig interpreter process them. Pig makes our life a lot easier, otherwise writing MapReduce is always not easy. In fact in some cases it can really become a pain. I had written an article on a sho...
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NGINX to reverse proxy websockets AND enable SSL (wss://)?

...NGINX config files so you can re-use them (that includes your init.d/nginx script) yum install pcre pcre-devel openssl openssl-devel and any other necessary libs for building NGINX Get the nginx_tcp_proxy_module from GitHub here https://github.com/yaoweibin/nginx_tcp_proxy_module and remember the fo...
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Why does the C# compiler not fault code where a static method calls an instance method?

...od there during runtime. The "dynamic" keyword is defined for dynamic and script languages, where the Method can be defined at any time, even during runtime. Crazy stuff Here a sample which handles ints but no strings, because of the method is on the instance. class Program { static void Main...
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What is causing “Unable to allocate memory for pool” in PHP?

...32MB is ridiculously low. PHP was designed when servers were 64MB and most scripts were using one php file per page. Nowadays solutions like Magento require more than 10k files (~60Mb in APC). You should allow enough memory so most of php files are always cached. It's not a waste, it's more efficien...
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Change limit for “Mysql Row size too large”

... This isn't guaranteed to fix the problem. See this post for an example script that adds these settings but is still able to reproduce the error. – Cerin Mar 15 '17 at 0:08 1 ...
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Using an integer as a key in an associative array in JavaScript

When I create a new JavaScript array, and use an integer as a key, each element of that array up to the integer is created as undefined. ...
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Calling shell functions with xargs

.... In this case, you provide the name echo_var, which is a function in this script, not a process (program) in your PATH. What Dennis' solution does is export the function for child bash processes to use, then forks to the subprocess and executes there. – David Souther ...
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Illegal mix of collations (utf8_unicode_ci,IMPLICIT) and (utf8_general_ci,IMPLICIT) for operation '=

...om' COLLATE utf8_unicode_ci;. It is especially useful if you are running a script from a console, where the console default encoding applies to your string constants' collation. – gaborsch May 5 '16 at 10:35 ...
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mongodb count num of distinct values per field/key

... @MarianKlühspies - because it's just a javascript array, which uses the length property to count the number of elements. – UpTheCreek May 30 '18 at 9:47 ...