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What is the difference between float and double?

...a quadratic equation: x2 − 4.0000000 x + 3.9999999 = 0, the exact roots to 10 significant digits are, r1 = 2.000316228 and r2 = 1.999683772. Using float and double, we can write a test program: #include <stdio.h> #include <math.h> void dbl_solve(double a, double b, double...
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Is SQL or even TSQL Turing Complete?

...(0); -- Initialization of temporary variables DECLARE @CodeLength INT = (SELECT COUNT(*) FROM @CodeTable); DECLARE @CodeIndex INT = 0; DECLARE @Pointer INT = 1; DECLARE @InputIndex INT = 0; DECLARE @Command CHAR(1); DECLARE @Depth INT; -- Main calculation cycle WHILE @CodeIndex < @...
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How to post pictures to instagram using API

...cking on chrome. From top right corener menu drop down on developer tools, select more tool. Further select network conditions. In the network selection section, see the second section there named user agent. Uncheck select automatically, and select chrome for Android from the list of given user age...
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Can “list_display” in a Django ModelAdmin display attributes of ForeignKey fields?

... @marcelm that’s what select_related is for. the get_queryset() of the UserAdmin will have to be overwritten. – interDist Jul 17 '17 at 21:38 ...
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Is there a “vim runtime log”?

... I had to add "set nocp" to use "ToggleVerbose()" function when run in root because of &verbose share | improve this answer | follow | ...
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Xcode stops working after set “xcode-select -switch”

...eloper directory, not the Xcode application bundle. Run this: sudo xcode-select --switch /Applications/Xcode.app/Contents/Developer With recent versions of Xcode, you can go to Xcode ➙ Preferences… ➙ Locations and pick one of the options for Command Line Tools to set the location. ...
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TimePicker Dialog from clicking EditText

... eReminderTime.setText( "" + selectedHour + ":" + selectedMinute); Your missing a + between "" and selected hour, setText methods only take a single string, so you need to concatenate all the parts (the first quotes are likely unnecessary). eReminderT...
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The superclass “javax.servlet.http.HttpServlet” was not found on the Java Build Path [duplicate]

... Add a runtime first and select project properties. Then check the server name from the 'Runtimes' tab as shown in the image. share | improve this...
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How to make a select with array contains value clause in psql

... Try SELECT * FROM table WHERE arr @> ARRAY['s']::varchar[] share | improve this answer | follow ...
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System.IO.Packaging

...4.0: In your project's Solution Explorer, right-click on References and select Add References from the context menu. Select Assemblies in the left-hand pane, then click the Browse button next to the File name field near the botton of the pane. Browse to .NET 4.0 reference assemblies and select Wi...