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What is this: [Ljava.lang.Object;?
I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it.
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No line-break after a hyphen
...'m looking to prevent a line break after a hyphen - on a case-by-case basis that is compatible with all browsers.
5 Answe...
Set style for TextView programmatically
I'm trying to use the TextView constructor with style like this:
12 Answers
12
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Why don't C++ compilers define operator== and operator!=?
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The compiler wouldn't know whether you wanted a pointer comparison or a deep (internal) comparison.
It's safer to just not implement it and let the programmer do that themselves. Then they can make all the assumptions they like.
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How to edit data in result grid in SQL Server Management Studio
... table and say open table to get an editable table output, but what I want is editable query output, only certain rows matching for my criteria, and edit them in the result grid.
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get the latest fragment in backstack
... of FragmentManager.BackStackEntry which was introduced in API level 14. This method will return a tag which was the one you used when you added the Fragment to the backstack with addTobackStack(tag).
int index = getActivity().getFragmentManager().getBackStackEntryCount() - 1
FragmentManager.BackSt...
How to get the number of Characters in a String?
...utf8 package.
returns the number of runes in p
that, as illustrated in this script: the length of "World" might be 6 (when written in Chinese: "世界"), but its rune count is 2:
package main
import "fmt"
import "unicode/utf8"
func main() {
fmt.Println("Hello, 世界", len("世界"), utf8.Ru...
My docker container has no internet
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First thing to check is run cat /etc/resolv.conf in the docker container. If it has an invalid DNS server, such as nameserver 127.0.x.x, then the container will not be able to resolve the domain names into ip addresses, so ping google.com will fa...
How do I fix a NoSuchMethodError?
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Without any more information it is difficult to pinpoint the problem, but the root cause is that you most likely have compiled a class against a different version of the class that is missing a method, than the one you are using when running it.
Look at th...
How to work with complex numbers in C?
How can I work with complex numbers in C? I see there is a complex.h header file, but it doesn't give me much information about how to use it. How to access real and imaginary parts in an efficient way? Is there native functions to get module and phase?
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