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Why am I getting “undefined reference to sqrt” error even though I include math.h header? [duplicate
...clude the mathematical functions while linking. It has also been separated from libc onto a separate library libm. To link with these functions you have to advise the linker to include the library -l linker option followed by the library name m thus -lm.
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Custom global Application class breaks with “android.app.Application cannot be cast to”
...un:
Disable an Instant run
Clean and rebuild the project
Remove the app from device and install it again without Instant run
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See what's in a stash without applying it [duplicate]
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From the man git-stash page:
The modifications stashed away by this command can be listed with git stash list,
inspected with git stash show
show [<stash>]
Show the changes recorded in the stash a...
How to create user for a db in postgresql? [closed]
...ve installed PostgreSQL 8.4 on my CentOS server and connected to root user from shell and accessing the PostgreSQL shell.
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Why are my balls disappearing? [closed]
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Your error comes from this line initially:
var direction1 = Math.atan2(ball1.velocitY, ball1.velocityX);
You have ball1.velocitY (which is undefined) instead of ball1.velocityY. So Math.atan2 is giving you NaN, and that NaN value is propag...
Set HTTP header for one request
... header for that request. I read about setting HTTP request headers , but from what I can tell, it will set that header for all requests of that method. I have something like this in my code:
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Add Favicon to Website [duplicate]
...ing:
Favicon on Wikipedia
Favicon Generator
How to add a Favicon by W3C (from 2005 though)
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Execute ssh with password authentication via windows command prompt
I need to execute ssh from windows command line by providing password in a non interactive manner. I could implement the key based authentication and able to execute the ssh commands just like
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How to convert Hexadecimal #FFFFFF to System.Drawing.Color [duplicate]
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string hex = "#FFFFFF";
Color _color = System.Drawing.ColorTranslator.FromHtml(hex);
Note: the hash is important!
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Maven : what is the “runtime” scope purpose? [duplicate]
... isn't an accidental dependency on the code, and also keeps the dependency from being transitive. So that, for example, if module A has a runtime dependency on library X, and module B depends on module A, it does not inherit the dependency on library X. Using "provided" or "compile" would cause B to...