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Git: updating remote branch information
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That will remove all branches that are no longer tracked by the remote repository. So, just be careful.
– Garrett Hyde
Oct 22 '10 at 2:51
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How do I view all commits for a specific day?
...:00" --until="2013-11-13 00:00" & would also work if you have gitk installed.
– HelloGoodbye
Mar 4 '16 at 12:50
6
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C# nullable string error
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For nullable, use ? with all of the C# primitives, except for string.
The following page gives a list of the C# primitives:
http://msdn.microsoft.com/en-us/library/aa711900(v=vs.71).aspx
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What is the difference between pluck and collect in Rails?
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When you do:
User.first.gifts.collect(&:id)
You have objects with all fields loaded and you simply get the id thanks to the method based on Enumerable.
So:
if you only need the id with Rails 4, use ids: User.first.gifts.ids
if you only need some fields with Rails 4, use pluck: User.first...
Flexbox not giving equal width to elements
...t has up to 5 items and as little as 3, but it's not dividing the width equally between all the elements.
2 Answers
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Emacs mode for Stack Overflow's markdown
I am using Org-mode in Emacs to handle all my technical documentation. I would like to use Emacs to prepare questions that I have for Stack Overflow. Is there an Emacs mode for that, or even better, an extension for Org-mode to handle Stack Overflow formatting? Ideally it should include all formatti...
How to search for occurrences of more than one space between words in a line
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Why are you using anchors at all? He's looking for spaces embedded somewhere in the lines.
– Tim Pietzcker
Sep 21 '10 at 9:43
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What is the meaning of the term arena in relation to memory?
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An arena is just a large, contiguous piece of memory that you allocate once and then use to manage memory manually by handing out parts of that memory. For example:
char * arena = malloc(HUGE_NUMBER);
unsigned int current = 0;
void * my_malloc(size_t n) { current += n; return arena +...
Homebrew: List only installed top level formulas
I'm looking for a way to show only the formulas I installed without the installed dependencies.
I want to have a list of all the programs I actually installed, without all noise of the dependencies.
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Difference between Python's Generators and Iterators
...ry generator is an iterator, but not vice versa. A generator is built by calling a function that has one or more yield expressions (yield statements, in Python 2.5 and earlier), and is an object that meets the previous paragraph's definition of an iterator.
You may want to use a custom iterator, ra...