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How do pointer to pointers work in C?
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Let's assume an 8 bit computer with 8 bit addresses (and thus only 256 bytes of memory). This is part of that memory (the numbers at the top are the addresses):
54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69
+----+----+----+----+----+----+----+...
What to do with branch after merge
I had two branches: master and branch1 . I just merged branch1 back into master and I'm done with that branch. Should I delete it or just let it sit around? Will deleting it cause any loss of data?
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The new syntax “= default” in C++11
I don't understand why would I ever do this:
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How to prevent a click on a '#' link from jumping to top of page?
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In jQuery, when you handle the click event, return false to stop the link from responding the usual way prevent the default action, which is to visit the href attribute, from taking place (per PoweRoy's comment and Erik's answer):
$('a.someclass...
Create singleton using GCD's dispatch_once in Objective-C
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This is a perfectly acceptable and thread-safe way to create an instance of your class. It may not technically be a "singleton" (in that there can only ever be 1 of these objects), but as long as you only use the [Foo sharedFoo] method to access the objec...
Specifying column name in a “references” migration
...want to check out the guide I link for more info on migrations in general, and you may even end up putting calling SQL code directly in your migration. I would say ignore it, as it isn't a normal part of rails, you will get 0 performance out of it, as rails' default generated SQL queries take no adv...
bundle install returns “Could not locate Gemfile”
I'm new to Rails and am currently working through a guide.
The guide states:
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When should Flask.g be used?
...ting DB connections are tasks which setup the environment for the request, and should not be handled inside before_request and after_request)
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usr/bin/ld: cannot find -l
I'm trying to compile my program and it returns this error :
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How to set custom location for local installation of npm package?
...ecify a custom package destination for npm install , either through a command flag or environment variable?
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