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CPU Privilege Rings: Why rings 1 and 2 aren't used?
... 3 would. So it is not a bad place for drivers as Intel planned...
That said, they definitely do have use in some designs. In fact, not always directly by the OS. For example, VirtualBox, a Virtual Machine, puts the guest kernel code in ring 1. I am also sure some operating systems do make use of t...
Case insensitive access for generic dictionary
... Well, it depends on the behaviour you want. If the user is providing the key via the UI (or if you need to consider e.g. ss and ß equal) then you'll need to use a different culture, but given that the value is being used as the key for a hashmap coming from an external dependency, I thi...
Following git-flow how should you handle a hotfix of an earlier release?
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sed: print only matching group
... to add the -r or ` --regexp-extended` option otherwise I was getting invalid reference \1 on s' command's RHS ` error.
– Daniel Sokolowski
Aug 11 '14 at 16:11
15
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How to pass multiple parameters in a querystring
I have three values which I have to pass as parameters for e.g., strID , strName and strDate .
6 Answers
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What does it mean to start a PHP function with an ampersand?
...ly optimize this on
its own. Only return references when
you have a valid technical reason to
do so.
See Returning References.
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What is a practical use for a closure in JavaScript?
...n ( a.publicfunction() ) which calls privatefunction, which only exists inside the closure. You can NOT call privatefunction directly (i.e. a.privatefunction() ), just publicfunction().
Its a minimal example but maybe you can see uses to it? We used this to enforce public/private methods.
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Can I update a component's props in React.js?
...w: and replaced by a combination of getDerivedStateFromProps and componentDidUpdate.
– bvdb
Sep 21 '18 at 20:54
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Can I add a UNIQUE constraint to a PostgreSQL table, after it's already created?
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thanks @hhaamu. Yep did try the docs but your above is much more concise.
– Thomas Browne
Jul 28 '09 at 20:17
119
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How to percent-encode URL parameters in Python?
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