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How to delete duplicates on a MySQL table?
I need to DELETE duplicated rows for specified sid on a MySQL table.
25 Answers
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Switch statement: must default be the last case?
Consider the following switch statement:
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Security of REST authentication schemes
Background:
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Are foreign keys really necessary in a database design?
As far as I know, foreign keys (FK) are used to aid the programmer to manipulate data in the correct way. Suppose a programmer is actually doing this in the right manner already, then do we really need the concept of foreign keys?
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How do I use a compound drawable instead of a LinearLayout that contains an ImageView and a TextView
Ran the new Lint tool against my code. It came up with a lot of good suggestions, but this one I cannot understand.
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Can you determine if Chrome is in incognito mode via a script?
Is it possible to determine if Google Chrome is in incognito mode via a script?
10 Answers
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How to hash a password
I'd like to store the hash of a password on the phone, but I'm not sure how to do it. I can only seem to find encryption methods. How should the password be hashed properly?
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Initialize a byte array to a certain value, other than the default null? [duplicate]
I'm busy rewriting an old project that was done in C++, to C#.
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How to update a record using sequelize for node?
I'm creating a RESTful API with NodeJS, express, express-resource, and Sequelize that is used to manage datasets stored in a MySQL database.
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Is there a constraint that restricts my generic method to numeric types?
Can anyone tell me if there is a way with generics to limit a generic type argument T to only:
21 Answers
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