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What is the HEAD in git?
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195
HEAD is a reference to the last commit in the currently checked-out branch.
There is a smal...
Remote branch is not showing up in “git branch -r”
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109
The remote section also specifies fetch rules. You could add something like this into it to fe...
Test if lists share any items in python
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Because sets are stored using a hash table in Python, searching them is O(1) (see here for more information about complexity of operators in Python). Theoretically, this is O(n+m) on average for n and m objects in lists a and b. But 1) it must first create sets out of the lists, which can take a no...
How to use arguments from previous command?
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11 Answers
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How big should a UIBarButtonItem image be?
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As of iOS 11, the Human Interface Guidelines suggest glyphs be about 25×25 points in toolbars and navigation bars, up to a maximum of about 28 points. (And the HIG should definitely be in your bookmarks if you're working on iOS apps!)...
Understanding the ngRepeat 'track by' expression
... your data source has duplicate identifiers
e.g.: $scope.dataSource: [{id:1,name:'one'}, {id:1,name:'one too'}, {id:2,name:'two'}]
You can't iterate this collection while using 'id' as identifier (duplicate id:1).
WON'T WORK:
<element ng-repeat="item.id as item.name for item in dataSource">...
Git: Find the most recent common ancestor of two branches
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1056
You are looking for git merge-base. Usage:
$ git merge-base branch2 branch3
050dc022f3a65bdc...
MySQL dump by query
...to just mysqldump all tables.
mysqldump --tables myTable --where="id < 1000"
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Conda: Installing / upgrading directly from github
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name: sample_env
channels:
dependencies:
- requests
- bokeh>=0.10.0
- pip:
- "--editable=git+https://github.com/pythonforfacebook/facebook-sdk.git@8c0d34291aaafec00e02eaa71cc2a242790a0fcc#egg=facebook_sdk-master"
It's still calling pip under the covers, but you can now unify yo...