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Difference between VARCHAR and TEXT in MySQL [duplicate]

...R(30) instead of TINYTEXT or TEXT and if someone tries to save the text of all three "Lord of the Ring" books in your phone number column you only store the first 30 characters :) Edit: If the text you want to store in the database is longer than 65535 characters, you have to choose MEDIUMTEXT or L...
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Find and Replace text in the entire table using a MySQL query

Usually I use manual find to replace text in a MySQL database using phpmyadmin. I'm tired of it now, how can I run a query to find and replace a text with new text in the entire table in phpmyadmin? ...
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How to listen for changes to a MongoDB collection?

...tricks. The key here is the oplog. When you run MongoDB in a Replica Set, all of the MongoDB actions are logged to an operations log (known as the oplog). The oplog is basically just a running list of the modifications made to the data. Replicas Sets function by listening to changes on this oplog a...
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Ruby on Rails Server options [closed]

..., Mongrel, Passenger, Apache, Nginx and many more I am sure, and I don't really understand the different roles they play. 1...
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Row count with PDO

... question, the only reason mysql_num_rows() worked is because it was internally fetching all the rows to give you that information, even if it didn't seem like it to you. So in PDO, your options are: Use PDO's fetchAll() function to fetch all the rows into an array, then use count() on it. Do an ex...
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“Cross origin requests are only supported for HTTP.” error when loading a local file

... My crystal ball says that you are loading the model using either file:// or C:/, which stays true to the error message as they are not http:// So you can either install a webserver in your local PC or upload the model somewhere else and...
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How to customise file type to syntax associations in Sublime Text?

...h v2.x and v3.x) there is a menu command: View -> Syntax -> Open all with current extension as ... share | improve this answer | follow | ...
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How do you run NUnit tests from Jenkins?

... I don't really see how this is enough. Is it normal to only have one (or a few) test dlls? We have a load of them, and they get created and removed often. Shouldn't there be a way to do this without having to hard code the test in to j...
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How to shorten my conditional statements

...ilar to PHP), but that's just wishful thinking (Update: it now does. It's called includes. See above). Note that jQuery's inArray, while sharing PHP's method signature, actually mimics the native indexOf functionality (which is useful in different cases, if the index is what you're truly after). Im...
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Creating Unicode character from its number

... So you need to be absolutely sure ahead of time that your value of c is smaller than 0x10000, or else this approach will break horribly. – David Given Mar 13 '12 at 22:29 1 ...