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Heroku push rejected, no Cedar-supported app detected
...nch. My master branch didn't have requirements.txt.
I didn't want to push from master, but heroku only pays attention to the master branch. The solution was to push my local branch to heroku's master branch:
git push heroku local_branch:master
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Start ssh-agent on login
I have a site as a remote Git repo pulling from Bitbucket.com using an SSH alias. I can manually start the ssh-agent on my server but I have to do this every time I login via SSH.
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javascript find and remove object in array based on key value
...ind an object in an array, where ID = var, and if found, remove the object from the array and return the new array of objects.
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What is the best way to get the count/length/size of an iterator?
...performing approximately the same operation.
However, many iterators come from collections, which you can often query for their size. And if it's a user made class you're getting the iterator for, you could look to provide a size() method on that class.
In short, in the situation where you only ha...
What is the Invariant Culture?
...which is useful because it will not change. The current culture can change from one user to another, or even from one run to another, so you can't rely on it staying the same.
Being able to use the same culture each time is very important in several flows, for example, serialization: you can have 1...
mysql Foreign key constraint is incorrectly formed error
...ble1 is the parent table with a column ID and table2 with a column IDFromTable1 (not the actual name) when I put a FK on IDFromTable1 to ID in table1 I get the error Foreign key constraint is incorrectly formed error . I would like to delete table 2 record if table1 record gets delet...
How to understand Locality Sensitive Hashing?
...t in understanding the hashing for cosine similarity.
I borrow two slides from Benjamin Van Durme & Ashwin Lall, ACL2010 and try to explain the intuitions of LSH Families for Cosine Distance a bit.
In the figure, there are two circles w/ red and yellow colored, representing two two-dimension...
What's the difference between and
...lt;?> means anythings. So It can accept of Type which are not inherited from Object class.
<? extends Object>
<? extends Object> means you can pass an Object or a sub-class that extends Object class.
ArrayList<? extends Number> numberList = new ArrayList<Number>(); //...
Removing a model in rails (reverse of “rails g model Title…”)
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Ye thanks. I restored the migration from the Trash but it turns out I had another missing migration too so I'm going to do what you suggest
– Mike T
Jul 23 '13 at 7:03
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PowerShell: Setting an environment variable for a single command only
...v:FOO='BAR'; .\myscript; Remove-Item Env:\FOO
Just summarized information from other answers (thank you folks) which don't contain pure one-liners for some reason.
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