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What is the difference between user and kernel modes in operating systems?
...ifferences between User Mode and Kernel Mode, why and how do you activate either of them, and what are their use cases?
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CSS fixed width in a span
Within an unordered list:
11 Answers
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Is there a standard naming convention for git tags? [closed]
...een a lot of projects using v1.2.3 as the naming convention for tags in git. I've also seen some use 1.2.3 . Is there an officially endorsed style, or are there any good arguments for using either?
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HEAD and ORIG_HEAD in Git
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HEAD is (direct or indirect, i.e. symbolic) reference to the current commit. It is a commit that you have checked in the working directory (unless you made some changes, or equivalent), and it is a commit on top of which "git commit" would make a new one. Usually HEAD is symbolic reference to some...
asynchronous vs non-blocking
...nous and non-blocking calls? Also between blocking and synchronous calls (with examples please)?
12 Answers
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Is it possible to data-bind visible to the negation (“!”) of a boolean ViewModel property?
...'d like to use a property on my ViewModel to toggle which icon to display without creating a separate computed property of the inverse. Is this possible?
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Error: CUICatalog: Invalid asset name supplied: (null), or invalid scale factor : 2.000000
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Add symbolic breakpoint for [UIImage imageNamed:]
Add $arg3 == nil condition on Simulator, $r0 == nil condition on 32-bit iPhone, or $x2 == nil on 64-bit iPhone.
Run your application and see where debugger will stop.
P.S. Keep in mind this also happens if image name is empty string. You can ch...
How do I look inside a Python object?
...and dir() are particularly useful for inspecting the type of an object and its set of attributes, respectively.
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Simulating Slow Internet Connection
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If you're running windows, fiddler is a great tool. It has a setting to simulate modem speed, and for someone who wants more control has a plugin to add latency to each request.
I prefer using a tool like this to putting latency code in my application as it is a much more rea...
Why is it OK to return a 'vector' from a function?
...ve seen this type of code several times. words is a local vector. How is it possible to return it from a function?
6 Answ...