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Remove all spaces from a string in SQL Server

... trim() or worry about multiple spaces for either char or varchar: create table #t ( c char(8), v varchar(8)) insert #t (c, v) values ('a a' , 'a a' ), ('a a ' , 'a a ' ), (' a a' , ' a a' ), (' a a ', ' a a ') select '"' + c + '"' [IN], '"' + replac...
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Naming convention - underscore in C++ and C# variables

... Except for teams that want their properties to be immutable. – ChaosPandion Jun 28 '10 at 22:34 11 ...
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Why is SELECT * considered harmful?

...work. This is especially true when someone adds new columns to underlying tables that didn't exist and weren't needed when the original consumers coded their data access. Indexing issues. Consider a scenario where you want to tune a query to a high level of performance. If you were to use *, and ...
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What is the performance cost of having a virtual method in a C++ class?

...ss (or any of its parent classes) means that the class will have a virtual table, and every instance will have a virtual pointer. ...
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How to enable MySQL Query Log?

...make sure is that the directory and file being written to exists and is writable by mysql. – NightOwlPrgmr Sep 28 '18 at 19:10 add a comment  |  ...
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Difference between one-to-many and many-to-one relationship

... From this page about Database Terminology Most relations between tables are one-to-many. Example: One area can be the habitat of many readers. One reader can have many subscriptions. One newspaper can have many subscriptions. A Many to One relation is the same as o...
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T-SQL stored procedure that accepts multiple Id values

...s an array or list to a query; each has their own unique pros and cons. Table-Valued Parameters. SQL Server 2008 and higher only, and probably the closest to a universal "best" approach. The Iterative Method. Pass a delimited string and loop through it. Using the CLR. SQL Server 2005 and higher...
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Why are unnamed namespaces used and what are their benefits?

...sually better to prefer static linkage, as that doesn't pollute the symbol table. It is better to write static bool getState(/*...*/); here. I fell into the same trap (there's wording in the standard that suggest that file-statics are somehow deprecated in favour of anonymous namespaces), but wor...
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Search for all occurrences of a string in a mysql database [duplicate]

...how to locate all occurrences of a url in a database. I want to search all tables and all fields. But I have no idea where to start or if it's even possible. ...
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How do I vertically center text with CSS? [duplicate]

...n>, so its contents will flow naturally inside the block. Simulating table display And here is another option, which may not work on older browsers that don't support display: table and display: table-cell (basically just Internet Explorer 7). Using CSS we simulate table behavior (since table...