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What are the Dangers of Method Swizzling in Objective-C?
...e:(NSRect)frame;
@end
@implementation NSView (MyViewAdditions)
- (void)my_setFrame:(NSRect)frame {
// do custom work
[self my_setFrame:frame];
}
+ (void)load {
[self swizzle:@selector(setFrame:) with:@selector(my_setFrame:)];
}
@end
This works just fine, but what would happen if my...
各编程语言读写文件汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
各编程语言读写文件汇总all_programming_language_file_read_write_summary读写文件本来是非常基础的代码，但工作学习中难免会有遗忘，有时又难以翻看自己写过的代码，网上搜索更是五花八门让人头大，鉴于此，清泛网 读写文件本来是...
What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...parentProp> and scope: { localProp: '@theParentProp' }.
Isolate scope's __proto__ references Object.
Isolate scope's $parent references the parent scope, so although it is isolated and doesn't inherit prototypically from the parent scope, it is still a child scope.
For the picture below we have
...
How do I create an immutable Class?
... public MyClass(..., IList<MyType> items)
{
...
_myReadOnlyList = new List<MyType>(items).AsReadOnly();
}
public IList<MyType> MyReadOnlyList
{
get { return _myReadOnlyList; }
}
private IList<MyType> _myReadOnlyList
}
...
Can functions be passed as parameters?
... result = quote123(foo)
fmt.Println(result)
// Output: "foo"
_ = convert(foo) // confirm foo satisfies convert at runtime
// fails due to argument type
// _ = convert(func(x float64) string { return "" })
}
Play: http://play.golang.org/p/XNMtrDUDS0
Tour: https://tour.golang...
How to convert a SVG to a PNG with ImageMagick?
... for export, but creates much smaller images.
– Aaron_H
Jul 27 '17 at 3:59
|
show 11 more comments
...
how do I make a single legend for many subplots with matplotlib?
...
There is also a nice function get_legend_handles_labels() you can call on the last axis (if you iterate over them) that would collect everything you need from label= arguments:
handles, labels = ax.get_legend_handles_labels()
fig.legend(handles, labels, loc...
Code equivalent to the 'let' keyword in chained LINQ extension method calls
...ime it's executed:
var seq = EnumerableEx.Generate(
new Random(),
_ => true,
_ => _,
x => x.Next());
To see that new random samples show up every time, consider the following
seq.Zip(seq, Tuple.Create).Take(3).Dump();
which produces pairs in which the left and right ar...
Can you nest html forms?
... form attribute can be the solution.
From http://www.w3schools.com/tags/att_input_form.asp:
The form attribute is new in HTML5.
Specifies which <form> element an <input> element belongs to. The value of this attribute must be the id attribute of a <form> element in the sam...
Installed Java 7 on Mac OS X but Terminal is still using version 6
...ere isn't really a need for it anymore. Instead you have to use export JAVA_HOME=`/usr/libexec/java_home -v 1.7` to switch to the latest Java 7 JDK from Oracle.
– Uwe Günther
Mar 9 '13 at 2:54
...