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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined

...t to string, like char numstr[21]; // enough to hold all numbers up to 64-bits sprintf(numstr, "%d", age); result = name + numstr; check this! share | improve this answer | ...
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What is IP address '::1'?

... I use Windows Server 2008 Enterprise Edition 64-bit and no third-party firewall installed. I'm wondering why I cannot bind 127.0.0.1 to my socket while ::1 is available. – Xaqron Jan 6 '11 at 3:30 ...
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How to prevent favicon.ico requests?

...or references see here: https://github.com/h5bp/html5-boilerplate/issues/1103 https://twitter.com/diegoperini/status/4882543836930048 UPDATE 1: From the comments (jpic) it looks like Firefox >= 25 doesn't like the above syntax anymore. I tested on Firefox 27 and it doesn't work while it still w...
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Correct way to use StringBuilder in SQL

...y) is to reduce memory churn rather than total memory used, to make life a bit easier on the garbage collector. Will that take memory equal to using String like below? No, it'll cause more memory churn than just the straight concat you quoted. (Until/unless the JVM optimizer sees that the expl...
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Does PowerShell support constants?

... Use Set-Variable test -option Constant -value 100 or Set-Variable test -option ReadOnly -value 100 The difference between "Constant" and "ReadOnly" is that a read-only variable can be removed (and then re-created) via Remove-Variable test -Force whereas a constan...
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Coalesce function for PHP?

... The only way to get safe "falsy-coalesce" is to use a bit of both: ($_GET['doesNotExist'] ?? null) ?: 'fallback' – Nathan Baulch Jul 18 '17 at 1:37 ...
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How to insert text into the textarea at the current cursor position?

...ade a demo on JSFiddle. It also works using Version 54.0.2813.0 canary (64-bit), which is basically Chrome Canary 54.0.2813.0. Finally, if you want it to insert into the text box by ID, use document.getElementById('insertyourIDhere') in place of el in the function. – haykam ...
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Most lightweight way to create a random string and a random hexadecimal number

...) >>> for t in t1, t2, t3: ... t.timeit() ... 28.165037870407104 9.0292739868164062 5.2836320400238037 t3 only makes one call to the random module, doesn't have to build or read a list, and then does the rest with string formatting. ...
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jQuery - Add ID instead of Class

... answered Feb 1 '10 at 13:40 SarfrazSarfraz 345k6868 gold badges500500 silver badges556556 bronze badges ...
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SSL Error When installing rubygems, Unable to pull data from 'https://rubygems.org/

... for Windows listed in other answers, and worked perfectly on Windows 7 64-bit. Thanks! – Gurgadurgen Mar 13 '15 at 18:06 1 ...