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Android: remove notification from notification bar
... with an event I manage to add notification in android notification bar. Now I need sample how to remove that notification from notification bar on an event ??
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Store a closure as a variable in Swift
...e realized with an optional:
var completionHandler: ((Float)->Void)?
Now the property is automatically initialized to nil ("no value").
In Swift you would use optional binding to check of a the
completion handler has a value
if let handler = completionHandler {
handler(result)
}
or opti...
How to convert string to char array in C++?
I would like to convert string to char array but not char* . I know how to convert string to char* (by using malloc or the way I posted it in my code) - but that's not what I want. I simply want to convert string to char[size] array. Is it possible?
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Sankey Diagrams in R?
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In addition to rCharts, Sankey diagrams can now be also generated in R with googleVis (version >= 0.5.0). For example, this post describes the generation of the following diagram using googleVis:
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How can I convert bigint (UNIX timestamp) to datetime in SQL Server?
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@Whitecat Don't know if you already solved your problem, but watch the casing! Maybe your database collation setting is set to something like 'SQL_Latin1_General_CP1_CS_AS', CS is the keyword here. It stands for "CaseSensitiv" therefor your c...
How does the C code that prints from 1 to 1000 without loops or conditional statements work?
...ds down to 0 for all j < 1000; once j reaches 1000, it evaluates to 1.
Now if you have a + (b - a) * n, where n is either 0 or 1, you end up with a if n == 0, and b if n == 1. Using &main (the address of main()) and &exit for a and b, the term (&main + (&exit - &main) * (j/10...
Difference between sh and bash
...we often use /bin/sh and /bin/bash . I usually use bash , but I don't know what's the difference between them.
12 Answ...
How to allow to accept only image files?
...turn;
}
// here you can do whatever you want with your image. Now you are sure that it is an image
}
}
Adding two numbers concatenates them instead of calculating the sum
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I would discourage anyone from using this shortcut. I know that actually parsing a string into a number requires more code but at least the code clearly matches the intention.
– Si Kelly
May 10 '17 at 12:33
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Can't install via pip because of egg_info error
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Note: now it's deprecated. When run it prints - ez_setup.py is deprecated and when using it setuptools will be pinned to 33.1.1 since it's the last version that supports setuptools self upgrade/installation, check https://github.co...