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pip install from git repo branch
...end the url prefix git+ (See VCS Support):
pip install git+https://github.com/tangentlabs/django-oscar-paypal.git@issue/34/oscar-0.6
And specify the branch name without the leading /.
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How to add a footer to a UITableView in Storyboard
...than 0 prototype cells specified. Otherwise, the dragged-in view always becomes the header. To fix this, change the number of prototype cells to 1, drag in the view underneath the one prototype cell, then change the number of prototype cells back to 0.
– John Brewer
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What is the difference between pluck and collect in Rails?
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30
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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 ...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...load very, um, "helpfully" (?) converts all filenames to lowercase (see my comment to @user below). Can't use spl_autoload_register() vanilla if you like your CapitalLettersAndStuff.
– Just Plain High
Nov 28 '13 at 4:16
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How do I reword the very first git commit message?
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Do git rebase -i --root
(point to root instead of pointing to a specific commit)
This way, the first commit is also included and you can just reword it like any other commit.
The --root option was introduced in Git v1.7.12 (2012). Before then the only option was to use filter-branch or --amend, ...
Rails check if yield :area is defined in content_for
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10
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How can I get the intersection, union, and subset of arrays in Ruby?
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318
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What is PAGEIOLATCH_SH wait type in SQL Server?
...1> = <value> order by <PrimaryKey>
, check that you have a composite index on (col1, col_primary_key).
If you don't have one, then you'll need either a full INDEX SCAN if the PRIMARY KEY is chosen, or a SORT if an index on col1 is chosen.
Both of them are very disk I/O consuming oper...