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Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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impro...
Weak and strong property setter attributes in Objective-C
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Here is information what I know about variable properties
atomic //default
nonatomic
strong=retain //default
weak
retain
assign //default
unsafe_unretained
copy
readonly
readwrite //default
so below ...
What are the details of “Objective-C Literals” mentioned in the Xcode 4.4 release notes?
...tp://cocoaheads.tumblr.com/post/17757846453/objective-c-literals-for-nsdictionary-nsarray-and:
Objective-C literals: one can now create literals for NSArray, NSDictionary, and NSNumber (just like one can create literals for NSString)
NSArray Literals
Previously:
array = [NSArray arrayWithObjects...
Close iOS Keyboard by touching anywhere using Swift
... let tap: UITapGestureRecognizer = UITapGestureRecognizer(target: self, action: "dismissKeyboard")
//Uncomment the line below if you want the tap not not interfere and cancel other interactions.
//tap.cancelsTouchesInView = false
view.addGestureRecognizer(tap)
}
//Calls this function...
“Application tried to present modally an active controller”?
I just came across a crash showing a NSInvalidArgumentException with this message on an app which wasn't doing this before.
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What values should I use for CFBundleVersion and CFBundleShortVersionString?
This is my first iOS app submission and I don't want my app rejected.
7 Answers
7
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'Contains()' workaround using Linq to Entities?
...ion");
if (!collection.Any())
return query.Where(t => false);
ParameterExpression p = selector.Parameters.Single();
IEnumerable<Expression> equals = collection.Select(value =>
(Expression)Expression.Equal(selector.Body,
Expression.Constant(value, typeof(TValue...
Path.Combine for URLs?
..., then it works the way you'd expect (note the missing slash on the second parameter): new Uri(new Uri("test.com/mydirectory/"), "helloworld.aspx").ToString() results in "test.com/mydirectory/helloworld.aspx". Path.Combine behaves similarly. If the relative path parameter starts with a slash, it onl...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
... pInfo)
{
struct { unsigned int magic; void* object, _ThrowInfo* info } Params;
Params throwParams =
{
0x19930520,
pObj,
pInfo
}
RaiseException(0xE06D7363, 1, 3, (const ULONG_PTR*)&throwParams);
}
现在，关于编译器如何处理抛出异常语句，我们还看到最后...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
... pInfo)
{
struct { unsigned int magic; void* object, _ThrowInfo* info } Params;
Params throwParams =
{
0x19930520,
pObj,
pInfo
}
RaiseException(0xE06D7363, 1, 3, (const ULONG_PTR*)&throwParams);
}
现在，关于编译器如何处理抛出异常语句，我们还看到最后...