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Return 0 if field is null in MySQL

... answered Dec 3 '14 at 11:49 ackuserackuser 4,02055 gold badges3030 silver badges4141 bronze badges ...
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Is it a good idea to index datetime field in mysql?

... me before – Gaz_Edge Jan 31 '14 at 11:16 1 But if you query the data with date range, such as da...
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What does “not run” mean in R help pages?

... rcsrcs 58.7k1818 gold badges161161 silver badges144144 bronze badges 3 ...
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Float vs Decimal in ActiveRecord

...u do this: irb:001:0> "%.47f" % (1.0/10) => "0.10000000000000000555111512312578270211815834045" # not "0.1"! whereas if you just do irb:002:0> (1.0/10).to_s => "0.1" # the interprer rounds the number for you So if you are dealing with small fractions, like compounding interests, o...
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Calling constructor from other constructor in same class

...nt b ) { this.m_A = a; this.m_B = b; } Source Courtesy of csharp411.com share | improve this answer | follow | ...
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What does Maven Update Project do in Eclipse?

...of m2eclipse. – Gimby Nov 29 '17 at 11:50 1 Hello @Gimby. Where can I find the perfectly availabi...
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Hex representation of a color with alpha channel?

...x in Opera 52 (or Opera 39 when experimental web features are enabled). IE 11 and EdgeHTML 18 (Edge 44) do not support this syntax. Chromium-based versions of Edge will support this syntax. Up to date browser support information is available on CanIUse.com *Technically still in draft, but given t...
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How do you remove the root CA certificate that fiddler installs

... Eyal AbirEyal Abir 1,02288 silver badges1111 bronze badges 1 ...
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Why use symbols as hash keys in Ruby?

...s://web.archive.org/web/20180709094450/http://www.reactive.io/tips/2009/01/11/the-difference-between-ruby-symbols-and-strings http://www.randomhacks.net.s3-website-us-east-1.amazonaws.com/2007/01/20/13-ways-of-looking-at-a-ruby-symbol/ ...
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Under what circumstances is an SqlConnection automatically enlisted in an ambient TransactionScope T

... | edited May 23 '17 at 11:33 Community♦ 111 silver badge answered May 21 '10 at 23:57 ...