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What is the best way to implement “remember me” for a website? [closed]
...ysical access to the box)
By reading it from the server database (probably SQL Injection, but could be anything)
By an XSS hack (or similar client-side exploit)
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.Contains() on a list of custom class objects
...to perform the check on.
This also has the benefit of working for LINQ-to-SQL queries as well as in-memory queries, where Contains doesn't.
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How can you do paging with NHibernate?
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This performs a SELECT TOP query in SQL Server. Try it with SetFirstResult(1).SetMaxResult(2);
– Chris S
Feb 8 '09 at 17:02
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How to show the last queries executed on MySQL?
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For those blessed with MySQL >= 5.1.12, you can control this option globally at runtime:
Execute SET GLOBAL log_output = 'TABLE';
Execute SET GLOBAL general_log = 'ON';
Take a look at the table mysql.general_log
If you prefer to output to a fi...
MySQL - Get row number on select
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@Jared, MySQL syntax just needs something to be there. It can be anything, even x and y.
– Pacerier
Apr 24 '15 at 11:10
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Daylight saving time and time zone best practices [closed]
...is no completely satisfying standard for persisting time. For example, the SQL standard and the ISO format (ISO 8601) are clearly not enough.
From the conceptual point of view, one usually deals with two types of time-date data, and it's convenient to distinguish them (the above standards do not) :...
Change from SQLite to PostgreSQL in a fresh Rails project
I have a rails app that's databases are in SQLite (The dev and production). Since I am moving to heroku, I want to convert my database to PostgreSQL.
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How to get the nth occurrence in a string?
...it. A different though critical example: always enclose data when doing an SQL INSERT as mysqli_real_escape_string does not protect against single quote hacks. Much of professional coding is not just having good habits though also understanding why such habits are important. :-)
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No mapping found for field in order to sort on in ElasticSearch
.... I was assuming it would treat null as being at the start or end (as with SQL ordering) but I believe it also triggers this error.
So if you see this error, you may need to ensure the sort attribute has a default value when it's sent to ElasticSearch.
I had this error with Rails+ElasticSearch+Tir...
How do I make a column unique and index it in a Ruby on Rails migration?
...or fine-grained control, there's a "execute" method that executes straight SQL.
That's it!
If you are doing this as a replacement for regular old model validations, check to see how it works. The error reporting to the user will likely not be as nice without model-level validations. You can always...