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Join between tables in two different databases?
In MySQL, I have two different databases -- let's call them A and B .
4 Answers
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Extension methods cannot be dynamically dispatched
I want to have DropDownListFor in MVC
3 Answers
3
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What does the * * CSS selector do?
Recently I came across * * in CSS .
5 Answers
5
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Finding row index containing maximum value using R
Given the following matrix lets assume I want to find the maximum value in column two:
3 Answers
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rails 3 validation on uniqueness on multiple attributes
I use Rails 3.0.0.beta4
3 Answers
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What does git push -u mean?
I have two different versions of git.
In the 1.6.2 version, git push does not have the -u option. It only appears in the 1.7.x version.
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How do you move a commit to the staging area in git?
If you want to move a commit to the staging area - that is uncommit it and move all of the changes which were in it into the staging area (effectively putting the branch in the state that it would have been in prior to the commit) - how do you do it? Or is it something that you can't do?
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MongoDB: How to query for records where field is null or not set?
I have an Email document which has a sent_at date field:
6 Answers
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How do I find which transaction is causing a “Waiting for table metadata lock” state?
I am trying to perform some DDL on a table and SHOW PROCESSLIST results in a " Waiting for table metadata lock " message.
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How to avoid scientific notation for large numbers in JavaScript?
JavaScript converts a large INT to scientific notation when the number becomes large. How can I prevent this from happening?
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