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Regex for password must contain at least eight characters, at least one number and both lower and up
... password must always have the exact same order. what of something more generic that can start with upper case or special characters.
– Ichinga Samuel
Jun 15 at 20:01
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#1071 - Specified key was too long; max key length is 767 bytes
...learly considered missing by others as well, but it gets rejected as being more suitable as a comment. For those trying to understand why 500 + 20 > 767 see Stefan Endrullis' comment on Julien's answer.
– Letharion
Jan 14 '15 at 8:19
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“Bitmap too large to be uploaded into a texture”
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What does OSGi solve?
...dles and communicate through well defined services. Hiding internals means more freedom to change later. This not only reduces the number of bugs, it also makes bundles simpler to develop because correctly sized bundles implement a piece of functionality through well defined interfaces. There is an ...
Why does PostgreSQL perform sequential scan on indexed column?
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If the SELECT returns more than approximately 5-10% of all rows in the table, a sequential scan is much faster than an index scan.
This is because an index scan requires several IO operations for each row (look up the row in the index, then ret...
Nested select statement in SQL Server
...uery.
SELECT name FROM (SELECT name FROM agentinformation) a
or to be more explicit
SELECT a.name FROM (SELECT name FROM agentinformation) a
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Is Meyers' implementation of the Singleton pattern thread safe?
...scusses thread safe implementations of the pattern, and the conclusion is, more or less, that (in C++03) full locking around the instantiating method is basically the simplest way to ensure proper concurrency on all platforms, while most forms of double-checked locking pattern variants may suffer fr...
How do I wrap text in a pre tag?
... white-space:pre-line; (and all browser compatible flavors) seems more adequate in some cases (without tabs for instance) as it takes away the space at the beginning of the line (if there are some)
– MediaVince
Nov 24 '16 at 11:59
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The differences between .build, .create, and .create! and when should they be used?
... people using .build , .create , and .create! within their controllers more and more lately. What's the difference from just using .new and passing the param'd object and then .save ? Are there pros and cons? Does using these other methods offer benefits?
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Using jQuery to test if an input has focus
... can cause false positives. See stackoverflow.com/questions/967096/… for more information (thanks to Ben Alman and Diego Perini).
– Mathias Bynens
Mar 22 '11 at 13:01
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