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How to exclude a file extension from IntelliJ IDEA search?
...Nov 28 '18 at 15:37
Robert DROP TABLE STUDENTS
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answered Mar 3 '14 at 10:35
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Why does Eclipse Java Package Explorer show question mark on some classes?
...s are added to the object icons provided by Eclipse. For example, here's a table of icons for the Java development environment.
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...ql/#:~:text=DATETIME%20vs%20TIMESTAMP%3A,DATETIME%20is%20constant.
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table with different column "date" types and corresponding rails migration types depending on the database
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How does Stack Overflow generate its SEO-friendly URLs?
... from full (profile) URL), and then ignore any characters outside the acceptable ranges. This works most of the time...
... For when it doesn’t I’ve also had to add a lookup table. As mentioned above, some characters don’t map to a low ASCII value when normalised. Rather than drop these I’ve...
How to export a mysql database using Command Prompt?
... For those who get an error like "Access denied when using LOCK TABLES", you should add the "--single-transaction" parameter to the command.
– Skyrpex
Oct 19 '15 at 10:32
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Change SVN repository URL
...your working copy. Just open the database (e.g. in SQLite Browser), browse table REPOSITORY, and change the root and uuid column values to the new ones. You can find the UUID of the new repo by issuing svn info NEW_SERVER.
Again, treat this as a last resort method.
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Hashset vs Treeset
...some sense intermediate between HashSet and TreeSet. Implemented as a hash table with a linked list running through it, however,it provides insertion-ordered iteration which is not same as sorted traversal guaranteed by TreeSet.
So a choice of usage depends entirely on your needs but I feel that e...
Find intersection of two nested lists?
...but because set membership is in average O(1) (for example when using hash table), it is big difference,for example because amortized time is guaranteed.
– miroB
Dec 4 '17 at 20:27
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How do I calculate a point on a circle’s circumference?
...ly not as efficient in speed compared to say implementing sin as a look-up table, but sometimes you are using complex numbers to represent points throughout to exploit other properties of them. Similar to using quaternions for 3D rotations, it's not really the speed but the capabilities they give yo...
Good reasons NOT to use a relational database?
...upport for versioning of data
Berkeley DB (Basically, a disk based hashtable)
Very simple conceptually (just un-typed key/value)
Quite fast
No administration overhead
Supports transactions I believe
Amazon's Simple DB
Much like Berkeley DB I believe, but hosted
Google's App Engine Da...