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Placeholder in UITextView
My application uses an UITextView . Now I want the UITextView to have a placeholder similar to the one you can set for an UITextField .
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best way to add license section to iOS settings bundle
... components licensed under Apache 2.0 and similar licenses, which requires m>me m> to include various bits of text, this kind of thing:
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ListCtrl 重绘(Custom Draw) - C/C++ - 清泛网 - 专注C/C++及内核技术
ListCtrl 重绘(Custom Draw)common control 4.7版本介绍了一个新的特性叫做Custom Draw,这个名字显得模糊不清,让人有点摸不着头脑,而且MSDN里也只给出了一些如风...common control 4.7版本介绍了一个新的特性叫做Custom Draw,这个名字显得...
How to append som>me m>thing to an array?
...
Use the Array.prototype.push m>me m>thod to append values to the end of an array:
// initialize array
var arr = [
"Hi",
"Hello",
"Bonjour"
];
// append new value to the array
arr.push("Hola");
console.log(arr);
You can use the push() functi...
AngularJs “controller as” syntax - clarification?
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There are several things about it.
Som>me m> people don't like the $scope syntax (don't ask m>me m> why). They say that they could just use this. That was one of the goals.
Making it clear where a property com>me m>s from is really useful too.
You can nest controllers and wh...
What is a handle in C++?
...to keep a reference to an object, rather than the object itself. What is a more elaborate explanation?
7 Answers
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Is volatile expensive?
After reading The JSR-133 Cookbook for Compiler Writers about the implem>me m>ntation of volatile, especially section "Interactions with Atomic Instructions" I assum>me m> that reading a volatile variable without updating it needs a LoadLoad or a LoadStore barrier. Further down the page I see that LoadLoad ...
What's the difference between a Python “property” and “attribute”?
I am generally confused about the difference between a "property" and an "attribute", and can't find a great resource to concisely detail the differences.
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Extract traceback info from an exception object
...estion depends on the version of Python you're using.
In Python 3
It's simple: exceptions com>me m> equipped with a __traceback__ attribute that contains the traceback. This attribute is also writable, and can be conveniently set using the with_traceback m>me m>thod of exceptions:
raise Exception("foo occ...
Overloaded m>me m>thod selection based on the param>me m>ter's real type
I'm experim>me m>nting with this code:
7 Answers
7
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