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Explain the use of a bit vector for deter<em>mem>ining if all characters are unique
I a<em>mem> confused about how a bit vector would work to do this (not too fa<em>mem>iliar with bit vectors). Here is the code given. Could so<em>mem>eone please walk <em>mem>e through this?
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The new syntax “= default” in C++11
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A defaulted default constructor is specifically defined as being the sa<em>mem>e as a user-defined default constructor with no initialization list and an e<em>mem>pty co<em>mem>pound state<em>mem>ent.
§12.1/6 [class.ctor] A default constructor that is defaulted and not defined as deleted is i<em>mem>plicitly defined when it is ...
Why historically do people use 255 not 256 for database field <em>mem>agnitudes?
You often see database fields set to have a <em>mem>agnitude of 255 characters, what is the traditional / historic reason why? I assu<em>mem>e it's so<em>mem>ething to do with paging / <em>mem>e<em>mem>ory li<em>mem>its, and perfor<em>mem>ance but the distinction between 255 and 256 has always confused <em>mem>e.
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Is there a docu<em>mem>ented way to set the iPhone orientation?
...e to support device rotation in certain views but other don't particularly <em>mem>ake sense in Landscape <em>mem>ode, so as I swapping the views out I would like to force the rotation to be set to portrait.
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Is std::vector copying the objects with a push_back?
After a lot of investigations with valgrind, I've <em>mem>ade the conclusion that std::vector <em>mem>akes a copy of an object you want to push_back.
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What is the difference between is_a and instanceof?
I a<em>mem> aware that instanceof is an operator and that is_a is a <em>mem>ethod.
9 Answers
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Using a piano keyboard as a co<em>mem>puter keyboard [closed]
I have RSI proble<em>mem>s and have tried 30 different co<em>mem>puter keyboards which all caused <em>mem>e pain. Playing piano does not cause <em>mem>e pain. I have played piano for around 20 years without any pain issues. I would like to know if there is a way to capture <em>Mem>IDI fro<em>mem> a <em>Mem>IDI keyboard and output keyboard stroke...
<em>Mem>ercurial — revert back to old version and continue fro<em>mem> there
I'<em>mem> using <em>Mem>ercurial locally for a project (it's the only repo there's no pushing/pulling to/fro<em>mem> anywhere else).
7 Answers
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Vertical (rotated) text in HT<em>Mem>L table
Is there a (portable) way to rotate text in a HT<em>Mem>L table cell by 90°?
11 Answers
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Error when trying to obtain a certificate: The specified ite<em>mem> could not be found in the keychain
I was having a proble<em>mem> with codesigning <em>mem>y apps, so I deleted all the keys fro<em>mem> the keychain. Then I went to Certificate Assistant =&a<em>mem>p;gt; Request a certificate fro<em>mem> a Certificate Authority (to create CSR for a new certificate).
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