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creating a random number using MYSQL

...t to a variable and use the variable if you have master slave replication. SET @r=FLOOR(RAND() * 401) + 100, then SELECT @r. – Qian Chen Mar 23 '16 at 6:55 3 ...
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How do I create directory if none exists using File class in Ruby?

I have this statement: 7 Answers 7 ...
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What does 'wb' mean in this code, using Python?

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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'Incomplete final line' warning when trying to read a .csv file into R

.... So the problem is the format of the file. One way of finding out, is to set the working directory to the directory where the file is. That way you see the extension of the file you read in. I know on Windows it's not shown standard, so you might believe it's csv while it isn't. The next thing y...
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Difficulty with ng-model, ng-repeat, and inputs

I am trying to allow the user to edit a list of items by using ngRepeat and ngModel . ( See this fiddle .) However, both approaches I've tried lead to bizarre behavior: one doesn't update the model, and the other blurs the form on each keydown. ...
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Listen for key press in .NET console app

...v.oddou After the last line, simply add your Console.ReadLine() and you're set, no? – Gaffi Jan 16 '16 at 1:13 1 ...
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Full examples of using pySerial package [closed]

...erial.EIGHTBITS #number of bits per bytes ser.parity = serial.PARITY_NONE #set parity check: no parity ser.stopbits = serial.STOPBITS_ONE #number of stop bits #ser.timeout = None #block read ser.timeout = 1 #non-block read #ser.timeout = 2 #timeout block read ser.xon...
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Why do you not use C for your web apps?

...n: There's a universe of difference when you have a single, well supported set of functionality vs a plethora of small libraries which differ widely in feature set, licensing, and support. – Dave Markle Jun 20 '10 at 17:48 ...
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What is a callback function?

What is a callback function? 21 Answers 21 ...
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Download and open PDF file using Ajax

I have an action class that generates a PDF. The contentType is set appropriately. 15 Answers ...