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How to append a char to a std::string?

... why do you consider += better than push_back? Is it just less typing or do you have another reason? – Glen Sep 24 '09 at 14:35 4 ...
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Django datetime issues (default=datetime.now())

...mplish what you are trying to do already: date = models.DateTimeField(auto_now_add=True, blank=True) or date = models.DateTimeField(default=datetime.now, blank=True) The difference between the second example and what you currently have is the lack of parentheses. By passing datetime.now withou...
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Java project in Eclipse: The type java.lang.Object cannot be resolved. It is indirectly referenced f

... In my case it occurred because i have accidentally removed the JRE while importing the project [my fault]. This gave me a clue to fix the issue. – GayashanNA Apr 22 '14 at 6:50 ...
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Scala list concatenation, ::: vs ++

...matic Scala 2.10 has :+ and +: object extractors. – 0__ Jan 18 '13 at 9:25  |  show 6 more comments ...
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How to print a number with commas as thousands separators in JavaScript

... console.log(`${failures} test(s) failed`); } else { console.log("All tests passed"); } .as-console-wrapper { max-height: 100% !important; } The regex uses 2 lookahead assertions: a positive one to look for any point in the string that has a multiple of 3 digits in a row...
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Showing empty view when ListView is empty

... when the ListView is not empty. I thought the ListView would automatically detect when to show the empty view. 11 Answ...
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What is a semaphore?

...s bouncers at a nightclub. There are a dedicated number of people that are allowed in the club at once. If the club is full no one is allowed to enter, but as soon as one person leaves another person might enter. It's simply a way to limit the number of consumers for a specific resource. For exampl...
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Which Architecture patterns are used on Android? [closed]

I'm doing a small research of mobile platforms and I would like to know which design patterns are used in Android? 12 Answe...
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In Scala how do I remove duplicates from a list?

...e part of the file name of interest. Once the map is constructed, you can call the values method to get an Iterable of values--the keys will all be distinct by construction. – Kipton Barros Dec 19 '12 at 19:47 ...
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Is PowerShell ready to replace my Cygwin shell on Windows? [closed]

... dose of respect for that community.) What I found was that this didn't really help much. The reason for that is that AWK/grep/sed don't work against COM, WMI, ADSI, the Registry, the certificate store, etc., etc. In other words, UNIX is an entire ecosystem self-tuned around text files. As such, t...