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What is the difference between pluck and collect in Rails?
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COUNT DISTINCT with CONDITIONS
...me;
The first count(distinct...) is easy.
The second one, looks somewhat complex, is actually the same as the first one, except that you use case...when clause. In the case...when clause, you filter only positive values. Zeros or negative values would be evaluated as null and won't be included in ...
How to do something before on submit? [closed]
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I'm having troubles using this for loops that have to be completed before the submit. Any suggestions?
– Smilyan
Jun 3 '13 at 8:58
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Git push/clone to new server
...name url
git push name branch
Example:
git remote add origin git@github.com:foo/bar.git
git push origin master
See the docs for git push -- you can set a remote as the default remote for a given branch; if you don't, the name origin is special. Just git push alone will do the same as git push o...
Differences between git pull origin master & git pull origin/master
...r branch, lets say am on another branch in my repo and then am doing above command, will it update my current branch with the origin remote changes or my master branch with the changes ?
– Rachel
May 21 '10 at 16:38
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Where can I find a NuGet package for upgrading to System.Web.Http v5.0.0.0?
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How can I edit a view using phpMyAdmin 3.2.4?
I need to simply edit a very complicated view in phpMyAdmin 3.2.4 but I cannot figure how to do that. Any suggestions?
Thanks!
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Replace all non-alphanumeric characters in a string
...doing more than one replace, this will perform slightly quicker if you pre-compile the regex, e.g., import re; regex = re.compile('[^0-9a-zA-Z]+'); regex.sub('*', 'h^&ell.,|o w]{+orld')
– Chris
Jun 2 '18 at 15:47
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Select the values of one property on all objects of an array in PowerShell
...turning DirectoryInfo or FileInfo objects. You can always inspect the type coming through the pipeline by piping to Get-Member (alias gm).
ls | select -Property Name | gm
So, to expand the object to be that of the type of property you're looking at, you can do the following:
ls | select -ExpandP...
Revert a range of commits in git
How can I revert a range of commits in git? From looking at the gitrevisions documentation, I cannot see how to specify the range I need. For example:
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