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What does the caret (^) character mean?
...e tip of the current branch.
Remember that git commits can have more than one parent. HEAD^ is short for HEAD^1, and you can also address HEAD^2 and so on as appropriate.
You can get to parents of any commit, not just HEAD. You can also move back through generations: for example, master~2 means th...
How to find the largest file in a directory and its subdirectories?
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for the first one, how do you get the size in a human readable format?
– Bluz
Oct 18 '16 at 15:54
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Days between two dates? [duplicate]
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Assuming you’ve literally got two date objects, you can subtract one from the other and query the resulting timedelta object for the number of days:
>>> from datetime import date
>>> a = date(2011,11,24)
>>> b = date(2011,11,17)
>>> a-b
datetime.timedel...
Python's json module, converts int dictionary keys to strings
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This is one of those subtle differences among various mapping collections that can bite you. JSON treats keys as strings; Python supports distinct keys differing only in type.
In Python (and apparently in Lua) the keys to a mapping...
How to revert a merge commit that's already pushed to remote branch?
git revert <commit_hash> alone won't work. -m must be specified, and I'm pretty confused about it.
16 Answers
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I just discovered why all ASP.Net websites are slow, and I am trying to work out what to do about it
...tirely, for that page.
<% @Page EnableSessionState="False" %>
If none of your pages use session variables, just turn off session state in the web.config.
<sessionState mode="Off" />
I'm curious, what do you think "a ThreadSafe collection" would do to become thread-safe, if it doesn...
How to get the return value from a thread in python?
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For those wondering this can be done with a list of threads. futures = [executor.submit(foo, param) for param in param_list] The order will be maintained, and exiting the with will allow result collection. [f.result() for f in futures]
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No Multiline Lambda in Python: Why not?
... , [1,2,3])
Is this a lambda returning (y, [1,2,3]) (thus map only gets one parameter, resulting in an error)? Or does it return y? Or is it a syntax error, because the comma on the new line is misplaced? How would Python know what you want?
Within the parens, indentation doesn't matter to pytho...
How is AngularJS different from jQuery
I only know one js library and that is jQuery .
But my other coders in the group are changing AngularJS as their default library in new project.
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Should I use `this` or `$scope`?
...kly, mixing them will work, but it will just add to the confusion. So pick one and roll with it. The most important thing is to be consistent.
Which one? That depends on you. There are many more examples out there of $scope, but "controller as" is picking up steam as well. Is one better than the ot...