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How can I delete Docker's images?
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Sunny
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answered Mar 30 '15 at 22:15
user1378912user1378912
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How to determine if an NSDate is today?
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310
In macOS 10.9+ & iOS 8+, there's a method on NSCalendar/Calendar that does exactly this!
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Android getting value from selected radiobutton
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edited Jun 23 '16 at 6:56
Jemshit Iskenderov
6,94655 gold badges4747 silver badges8989 bronze badges
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How do you use variables in a simple PostgreSQL script?
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132
Complete answer is located in the official PostgreSQL documentation.
You can use new PG9.0 ano...
Numpy: Get random set of rows from 2D array
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>>> A = np.random.randint(5, size=(10,3))
>>> A
array([[1, 3, 0],
[3, 2, 0],
[0, 2, 1],
[1, 1, 4],
[3, 2, 2],
[0, 1, 0],
[1, 3, 1],
[0, 4, 1],
[2, 4, 2],
[3, 3, 1]])
>>> idx = np.ran...
What's the best way to validate an XML file against an XSD file?
... xsd:
// URL schemaFile = new URL("http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd");
// local file example:
// File schemaFile = new File("/location/to/localfile.xsd"); // etc.
Source xmlFile = new StreamSource(new File("web.xml"));
SchemaFactory schemaFactory = SchemaFactory
.newInstance(XMLC...
Change the Target Framework for all my projects in a Visual Studio Solution
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38
You can do that using Scott Dorman's Visual Studio macro available on CodeProject:
Visual S...
how do I make a single legend for many subplots with matplotlib?
...ries, with multiple subplots with matplotlib. That is, I have 9 plots on a 3x3 grid, all with the same for lines (of course, different values per line).
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Making an array of integers in iOS
...] = i;
// to get one of them
NSLog (@"The 4th integer is: %d", myIntegers[3]);
Or, you can use an NSArray or NSMutableArray, but here you will need to wrap up each integer inside an NSNumber instance (because NSArray objects are designed to hold class instances).
NSMutableArray *myIntegers = [NS...
How to explicitly discard an out argument?
...ublic void PrintXCoordinate(Point p)
{
p.GetCoordinates(out int x, out _); // I only care about x
WriteLine($"{x}");
}
Source: https://blogs.msdn.microsoft.com/dotnet/2017/03/09/new-features-in-c-7-0/
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