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Deleting all records in a database table
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If you are looking for a way to it without SQL you should be able to use delete_all.
Post.delete_all
or with a criteria
Post.delete_all "person_id = 5 AND (category = 'Something' OR category = 'Else')"
See here for more information.
The records are ...
Parsing JSON giving “unexpected token o” error [duplicate]
...problem parsing simple JSON strings. I have checked them on JSONLint and it shows that they are valid. But when I try to parse them using either JSON.parse or the jQuery alternative it gives me the error unexpected token o :
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Reset local repository branch to be just like remote repository HEAD
...w do I reset my local branch to be just like the branch on the remote repository?
21 Answers
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IntelliJ IDEA with Junit 4.7 “!!! JUnit version 3.8 or later expected:”
...problem happens because Android Platform (android.jar) already contains JUnit classes. IDEA test runner loads these classes and sees that they are from the old JUnit, while you are trying to use annotated tests which is a feature of the new JUnit, therefore you get the error from the test runner.
T...
Maven fails to find local artifact
...cy, which is built and packaged locally, cannot be found in the local repository while building another project that has it as a dependency. We get an error like:
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Select n random rows from SQL Server table
I've got a SQL Server table with about 50,000 rows in it. I want to select about 5,000 of those rows at random. I've thought of a complicated way, creating a temp table with a "random number" column, copying my table into that, looping through the temp table and updating each row with RAND() , and ...
Turn off autosuggest for EditText?
...rammatically turn off that autosuggest list which pops up as you type in EditText?
14 Answers
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Uppercase Booleans vs. Lowercase in PHP
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The official PHP manual says:
To specify a boolean literal, use the
keywords TRUE or FALSE. Both are
case-insensitive.
So yeah, true === TRUE and false === FALSE.
Personally, however, I prefer TRUE over true and FALSE over false for readability reasons. It's the same re...
Call a “local” function within module.exports from another function in module.exports?
How do you call a function from within another function in a module.exports declaration?
8 Answers
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How to replace a hash key with another key
I have a condition where, I get a hash
9 Answers
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