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changing source on html5 video tag

...rying to set up a video page that doesn't show ANY video until the visitor selects one. I could set up a video tag with an empty source tag, but it would always generate a failure on a javascript debug console. Now I know I can hold off on adding a 'source' until the user selects one. Till now, I di...
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Why is \r a newline for Vim?

From question How to replace a character for a newline in Vim? . You have to use \r when replacing text for a newline, like this ...
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Select DISTINCT individual columns in django?

I'm curious if there's any way to do a query in Django that's not a " SELECT * FROM... " underneath. I'm trying to do a " SELECT DISTINCT columnName FROM ... " instead. ...
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Cannot use a CONTAINS or FREETEXT predicate on table or indexed view because it is not full-text ind

... use AdventureWorks create fulltext catalog FullTextCatalog as default select * from sys.fulltext_catalogs Create full-text search index. create fulltext index on Production.ProductDescription(Description) key index PK_ProductDescription_ProductDescriptionID Before you create the index, m...
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Effect of a Bitwise Operator on a Boolean in Java

...variables and operate on them bit by bit. In the case of integers, longs, chars this makes sense. These variables can contain the full range of values enforced by their size. ...
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How to undo another user’s checkout in TFS?

...t-clicking the desired project, folder, or file in Source Control Explorer Select Properties Select the Security tab Select the appropriate user or group in the Users and Groups section at the top View the "Permissions for [user/group]:" section at the bottom Deleting the workspace tf workspace /...
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Properly escape a double quote in CSV

... Why was this answer ever voted up? The comment about escaping characters was never backed up and the original question doesn't ask about PHP. This only seems to be true for the string delimiter (and only for the chosen delimiter) when a program, such as Open Office, allows you to change...
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MySQL get the date n days ago as a timestamp

... DATE_SUB will do part of it depending on what you want mysql> SELECT DATE_SUB(NOW(), INTERVAL 30 day); 2009-06-07 21:55:09 mysql> SELECT TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day)); 2009-06-07 21:55:09 mysql> SELECT UNIX_TIMESTAMP(DATE_SUB(NOW(), INTERVAL 30 day)); 1244433347 ...
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How should I escape commas and speech marks in CSV files so they work in Excel?

...tring value should be returned enclosed in double quotes. Any double quote characters in the value should be escaped with another double quote. If the value does not contain a comma, newline or double quote, then the String value should be returned unchanged. ...
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How to rename a table in SQL Server?

...le for table dependencies at Pinal Dave's blog here USE AdventureWorks GO SELECT referencing_schema_name = SCHEMA_NAME(o.SCHEMA_ID), referencing_object_name = o.name, referencing_object_type_desc = o.type_desc, referenced_schema_name, referenced_object_name = referenced_entity_name, referenced_obje...