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Postgresql GROUP_CONCAT equivalent?
I have a table and I'd like to pull one row per id with field values concatenated.
7 Answers
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Expert R users, what's in your .Rprofile? [closed]
I have always found startup profile files of other people both useful and instructive about the language. Moreover, while I have some customization for Bash and Vim , I have nothing for R.
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Codesign error: Provisioning profile cannot be found after deleting expired profile
Tried to rebuild an app that was working just yesterday. Got a message that a profile had expired, so I removed it from the iPod and from iTunes. When I chose a new profile (one with an * in the identifier), I now get an error:
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How to send JSON instead of a query string with $.ajax?
Can someone explain in an easy way how to make jQuery send actual JSON instead of a query string?
4 Answers
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What are the “standard unambiguous date” formats for string-to-date conversion in R?
Please consider the following
5 Answers
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Why doesn't git recognize that my file has been changed, therefore git add not working
I am trying to push my files to github using bash. They are already on there, and I am uploading a newer version with new lines and code, etc. But when I try git add and then git status it says:
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jQuery Event Keypress: Which key was pressed?
With jQuery, how do I find out which key was pressed when I bind to the keypress event?
24 Answers
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':app:lintVitalRelease' error when generating signed apk
I've tried to upload my apk on google play and encountered an error message: "You uploaded a debuggable APK. For security reasons you need to disable debugging before it can be published in Google Play. Learn more about debuggable APKs."
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Most efficient way of making an if-elif-elif-else statement when the else is done the most?
I've got a in if-elif-elif-else statement in which 99% of the time, the else statement is executed:
5 Answers
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