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select * vs select column

... It always pulls a tuple (except in cases where the table has been vertically segmented - broken up into columns pieces), so, to answer the question you asked, it doesn't matter from a performance perspective. However, for many other reasons, (below) you should always select specifically those co...
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Using an RDBMS as event sourcing storage

...state-based persistence). Therefore I wouldn't recommend option 1 and 2 at all. Below is the schema as used in Ncqrs. As you can see, the table "Events" stores the related data as a CLOB (i.e. JSON or XML). This corresponds to your option 3 (Only that there is no "ProductEvents" table because you o...
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Generate GUID in MySQL for existing Data?

...ch of data to a MySQL table and I have a column "GUID" that I want to basically fill down all existing rows with new and unique random GUID's. ...
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Project structure for Google App Engine

.... However, as it has grown, and features have been added, it has gotten really difficult to keep things organized - mainly due to the fact that this is my first python project, and I didn't know anything about it until I started working. ...
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Remove .php extension with .htaccess

...in the PHP file (long story) I am able to access it without the above. I really appreciate your help, this .htaccess stuff is tricky for me. – Dirty Bird Design Oct 26 '10 at 19:00 ...
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Query grants for a table in postgres

How can I query all GRANTS granted to an object in postgres? 7 Answers 7 ...
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Downloading a Google font and setting up an offline site that uses it

...er by Google, this approach relies on WOFF format alone and is thus essentially more limited. Besides, Google distributes their fonts in TTF format, not WOFF. – Jukka K. Korpela Apr 10 '13 at 17:32 ...
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What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?

... spl_autoload_register() allows you to register multiple functions (or static methods from your own Autoload class) that PHP will put into a stack/queue and call sequentially when a "new Class" is declared. So for example: spl_autoload_register('m...
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How do I Search/Find and Replace in a standard string?

Is there a way to replace all occurrences of a substring with another string in std::string ? 9 Answers ...
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How to make a website secured with https

I have to build a small webapp for a company to maintain their business data... Only those within the company will be using it, but we are planning to host it in public domain, so that the employees can connect to app from various locations. (Till now I have built web apps that are hosted internall...