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Most efficient way to concatenate strings?

...o" + var1 + "bar" + var2 + "hello" + var3 + "world", the compiler automatically turns that into a string.concat call, which is as efficient as it gets. This answer is incorrect, there are plenty of better answers to choose from – csauve Jan 12 '11 at 17:56 ...
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The new keyword “auto”; When should it be used to declare a variable type? [duplicate]

... v.end(); ++it) //v is some [std] container { //.. } Or, more generally, //good : auto increases readability here for(auto it = std::begin(v); it != std::end(v); ++it)//v could be array as well { //.. } But when the type is not very well-known and infrequently used , then I think ...
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java SSL and cert keystore

...pache.axis2.AxisFault: Transport error: 403 Error: Forbidden error when I call the client code through the SOAP generated stubs. Any ideas? – james2611nov Mar 10 '15 at 21:25 1 ...
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Determine a string's encoding in C#

...ply 8-bit Encoding and you have the Encoding used to decode it, you can usually get the bytes back without any corruption, though. – Nyerguds Jan 27 '18 at 13:44 ...
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What does passport.session() middleware do?

...r/lib/strategies/session.js Specifically lines 59-60: var property = req._passport.instance._userProperty || 'user'; req[property] = user; Where it essentially acts as a middleware and alters the value of the 'user' property in the req object to contain the deserialized identity of the user. To ...
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How to prepend a string to a column value in MySQL?

I need a SQL update statement for updating a particular field of all the rows with a string "test" to be added in the front of the existing value. ...
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What are the recommendations for html tag?

I've never seen <base> HTML tag actually used anywhere before. Are there pitfalls to its use that means I should avoid it? ...
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Diff output from two programs without temporary files

... use >(command) if you want to pipe something into a command. This is called "Process Substitution" in Bash's man page. share | improve this answer | follow ...
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How do RVM and rbenv actually work?

I am interested in how RVM and rbenv actually work. 5 Answers 5 ...
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Single Page Application: advantages and disadvantages [closed]

...pages. The number of pages user downloads during visit to my web site?? really how many mails some reads when he/she opens his/her mail account. I read >50 at one go. now the structure of the mails is almost the same. if you will use a server side rendering scheme the server would then render it...