大约有 15,590 项符合查询结果（耗时：0.0311秒） [XML]
Copying files from one directory to another in Java
..., but I don't want to copy the directory - only the files in it. Now I get error messages java.io.FileNotFoundException: (the path to trDir) (Is a directory) This is what it only says. I have used the method like this: copyDirectory(review, trDir);
– user42155
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Libraries do not get added to APK anymore after upgrade to ADT 22
...version (v22). I also upgraded the SDK of course. I do not see any compile errors in eclipse, but when i run the project on the phone i get a NoClassDefFoundError.
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How do you use the ellipsis slicing syntax in Python?
... my_scalar[...] = 5. If you do my_scalar[:] = 5, you'll rightfully get an error, because there's no dimension 0 for the : to iterate over.
– SuperElectric
Feb 13 '18 at 11:21
1
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When and why to 'return false' in JavaScript?
...he other scenario to consider is when "javascript breaks" (due to a syntax error higher up in the page). Having non-js fallbacks gives you some safety nets for this scenario. (Google.com was down for almost 30 minutes a while back due to a js syntax error!)
– Alex Czarto
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Can't use NVM from root (or sudo)
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This sounds like a great option, but I keep getting these errors : chmod: cannot operate on dangling symlink ‘/home/ec2-user/.nvm/versions/node/v7.1.0/bin/node-debug’ chmod: cannot operate on dangling symlink ‘/home/ec2-user/.nvm/versions/node/v7.1.0/bin/node-inspector’
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matplotlib does not show my drawings although I call pyplot.show()
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I tried but I got an error something like: ImportError: No module named _backend_gdk
– Baskaya
Sep 30 '11 at 18:15
6
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What does the keyword Set actually do in VBA?
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In your case, it will produce an error. :-)
Set assigns an object reference. For all other assignments the (implicit, optional, and little-used) Let statement is correct:
Set object = New SomeObject
Set object = FunctionReturningAnObjectRef(SomeArgument)
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Can an interface extend multiple interfaces in Java?
... of multiple inheritance of implementation java compiler gives compilation error and asks the user to fix it by specifying the interface name.
Example here:-
interface A {
void method();
}
interface B extends A {
@Override
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Suppressing “is never used” and “is never assigned to” warnings in C#
...do this:
Compile the code as normal, this will add some warnings to your error list in Visual Studio
Switch to the Output window, and the Build output, and hunt for the same warnings
Copy the 4-digit warning code from the relevant message, which should look like this:
C:\Dev\VS.NET\ConsoleAppl...
What would a “frozen dict” be?
...rom putting a mutable list as a value, in which case hashing will throw an error. There's nothing necessarily wrong with that, but users should be aware. Another thing: This hashing algorithm is poorly chosen, very prone to hash collisions. For example {'a':'b'} hashes the same as {'b':'a'} and {'a'...