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How to use NULL or empty string in SQL

... according to @Bradc 's answer in this stackoverflow.com/questions/799584/…, better to use the first approach. – Sameera R. Feb 9 '16 at 5:30 add a com...
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Speed comparison with Project Euler: C vs Python vs Erlang vs Haskell

I have taken Problem #12 from Project Euler as a programming exercise and to compare my (surely not optimal) implementations in C, Python, Erlang and Haskell. In order to get some higher execution times, I search for the first triangle number with more than 1000 divisors instead of 500 as stated...
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Code Golf: Lasers

The shortest code by character count to input a 2D representation of a board, and output 'true' or 'false' according to the input . ...
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Do I need a content-type header for HTTP GET requests?

... decide which content type to send back. They're optional though. http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1 share | improve this answer | follow ...
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What is the purpose of `text=auto` in `.gitattributes` file?

...nverted in your working directory. Full info on the issue us here: https://www.kernel.org/pub/software/scm/git/docs/gitattributes.html share | improve this answer | follow ...
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Globally catch exceptions in a WPF application?

... edited May 23 '17 at 12:18 Community♦ 111 silver badge answered Apr 27 '09 at 11:28 David SchmittDavid ...
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A monad is just a monoid in the category of endofunctors, what's the problem?

Who first said the following? 5 Answers 5 ...
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Python extract pattern matches

Python 2.7.1 I am trying to use python regular expression to extract words inside of a pattern 9 Answers ...
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Make install, but not to default directories?

.../my/local/lib make make test make install * further explanation: https://www.perlmonks.org/?node_id=564720 share | improve this answer | follow | ...
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How can I configure Logback to log different levels for a logger to different destinations?

...ppender"> <target>System.out</target> <filter class="com.foo.StdOutFilter" /> ... </appender> <appender name="stderr" class="ch.qos.logback.core.ConsoleAppender"> <target>System.err</target> <filter class="com.foo.ErrOutFilter" /> ......