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Uninstall all installed gems, in OSX?
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Does not work: ERROR: While executing gem ... (Gem::InstallError) gem "test-unit" cannot be uninstalled because it is a default gem (gem 2.0.3)
– M. Anthony Aiello
Sep 3 '13 at 19:39
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How to set HTTP headers (for cache-control)?
...header("Pragma: no-cache"); //HTTP 1.0
header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); // Date in the past
//or, if you DO want a file to cache, use:
header("Cache-Control: max-age=2592000"); //30days (60sec * 60min * 24hours * 30days)
?>
Note that the exact headers used will depend o...
Procedure expects parameter which was not supplied
I'm getting the error when accessing a Stored Procedure in SQL Server
12 Answers
12
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How to get UTC time in Python?
... boring...
– vcarel
Nov 7 '14 at 10:05
1
Definitely don't need to write a function to return a si...
In C#, what is the difference between public, private, protected, and having no access modifier?
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I think there is an error in the diagram. If internal is used for a class, the class can be derived by another class in the same assembly. Also if the internal modifier is used on a property, this property can also be accessed in the derived cla...
How to Define Callbacks in Android?
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answered Aug 3 '10 at 16:05
EboMikeEboMike
71.3k1414 gold badges151151 silver badges152152 bronze badges
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How do I request a file but not save it with Wget? [closed]
...to a file). if > is preceded by ampersand, shell redirects all outputs (error and normal) to the file right of >. If you don't specify ampersand, then only normal output is redirected.
./app &> file # redirect error and standard output to file
./app > file # redirect standard out...
Mongoose query where value is not null
... "email": "myemail@gmail.com",
"created_at": "2020-06-05T11:05:36.450Z"
}
}
],
"page": 1
}
Thanks in advance.
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What is the difference between a function expression vs declaration in JavaScript? [duplicate]
...if you try to call a function expression before it's loaded, you'll get an error! If you call a function declaration instead, it'll always work, because no code can be called until all declarations are loaded.
Example: Function Expression
alert(foo()); // ERROR! foo wasn't loaded yet
var foo = fu...
Calculating frames per second in a game
...the smoothing is too low, just crank up the time constant (weightRatio = 0.05, 0.02, 0.01...)
– John Dvorak
May 18 '13 at 17:44
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