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Difference between “@id/” and “@+id/” in Android
...specifying a new resource ID and not needed for concrete resources such as strings or layouts. See the sidebox for more information about resource objects.
From: https://developer.android.com/training/basics/firstapp/building-ui.html
...
Where does Visual Studio look for C++ header files?
...algorithm>. The 2nd contains old C headers such as <stdio.h>, <string.h>. The version number can be different based on your software.
Hope this would help.
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Select TreeView Node on right click before displaying ContextMenu
...hical collection of view-models having a Boolean property IsSelected and a String property Name as well as a collection of child items named Children.
<TreeView ItemsSource="{Binding Items}">
<TreeView.ItemContainerStyle>
<Style TargetType="TreeViewItem">
<Setter Pr...
How to lock compiled Java classes to prevent decompilation?
... optimizer...
Also many of the obfuscators are also able to scramble your string constants and remove unused code.
Another possible solution (not necessarily excluding the obfuscation) is to use encrypted JAR files and a custom classloader that does the decryption (preferably using native runtime ...
How to send a custom http status message in node / express?
...ng it as a HTTP Response with code 404, and body consisting of the message string appended with a stack trace.
This doesn't work for me when I'm using Express as a REST server, for example. I'll want the error to be sent back as JSON, not as HTML. I'll also definitely not want my stack trace moving...
Undefined reference to static class member
...y simple inline method definition. The approach proved a bit wobbly with C-string constexprs inside template classes, though.
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Remove or adapt border of frame of legend using matplotlib
...)
legend.get_frame().set_facecolor('none')
Warning, you want 'none' (the string). None means the default color instead.
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Object initialization syntax
...gives you a similar syntax, but keeps things immutable:
type Person(name:string, ?birthDate) =
member x.Name = name
member x.BirthDate = defaultArg birthDate System.DateTime.MinValue
Now we can write:
let p1 = new Person(name="John", birthDate=DateTime.Now)
let p2 = new Person(name="John")
...
Setting multiple attributes for an element at once with JavaScript
...new $$.init(elem));
}
$$.init = function(elem) {
if (typeof elem === "string") {
elem = document.getElementById(elem);
}
this.elem = elem;
}
$$.init.prototype = {
set: function(prop, value) {
this.elem[prop] = value;
return(this);
}
};
$$(elem).set("src...
iOS开发过程中的各种tips - 更多技术 - 清泛网 - 专注C/C++及内核技术
...extField resignFirstResponder];
return YES;
}
2.CGRect
CGRectFromString(<#NSString *string#>)//有字符串恢复出矩形
CGRectInset(<#CGRect rect#>, <#CGFloat dx#>, <#CGFloat dy#>)//创建较小或者较大的矩形
CGRectIntersectsRect(<#CGRect rect1#>, <#CGRect rect2#>)//判断两...