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What C++ Smart Pointer Implementations are available?
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C++03
std::auto_ptr - Perhaps one of the originals it suffered from first draft syndrome only providing limited garbage collection facilities. The first downside being that it calls delete upon destruction making them unaccepta...
Installed Ruby 1.9.3 with RVM but command line doesn't show ruby -v
...nd you need some hand-holding, take a look at Installing Ruby on Ubuntu 12.04, which gives a bit more explanation.
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virtualenv --no-site-packages and pip still finding global packages?
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108
I had a problem like this, until I realized that (long before I had discovered virtualenv), I ...
Can ordered list produce result that looks like 1.1, 1.2, 1.3 (instead of just 1, 2, 3, …) with css?
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Alexis
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answered Nov 4 '10 at 15:30
GumboGumbo
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Git copy file preserving history [duplicate]
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edited Dec 7 '16 at 20:56
jschreiner
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Can Selenium interact with an existing browser session?
...me working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reusing-existing-browser-session-selenium-java/.
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Why historically do people use 255 not 256 for database field magnitudes?
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170
With a maximum length of 255 characters, the DBMS can choose to use a single byte to indicate th...
Changing UIButton text
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Alex Zavatone
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answered Jul 10 '12 at 15:50
Jesse GumpoJesse Gumpo
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HashSet vs. List performance
...ort strings, the advantage went away after size 5, for objects after size 20.
1 item LIST strs time: 617ms
1 item HASHSET strs time: 1332ms
2 item LIST strs time: 781ms
2 item HASHSET strs time: 1354ms
3 item LIST strs time: 950ms
3 item HASHSET strs time: 1405ms
4 item LIST strs time: 1126ms
4 ...
Regexp Java for password validation
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Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at leas...