大约有 7,000 项符合查询结果（耗时：0.0201秒） [XML]
What is the difference between procedural programming and functional programming? [closed]
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@AkashBisariya sub foo( $a, $b ){ ($a,$b).pick } ← does not always return the same output for the same input, while the following does sub foo( $a, $b ){ $a + $b }
– Brad Gilbert
Apr 22 '18 at 16:10
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Chrome extension: accessing localStorage in content script
...e it using the Chrome extension storage API.
chrome.storage.sync.set({'foo': 'hello', 'bar': 'hi'}, function() {
console.log('Settings saved');
});
// Read it using the storage API
chrome.storage.sync.get(['foo', 'bar'], function(items) {
message('Settings retrieved', it...
What do the plus and minus signs mean in Objective-C next to a method?
... The difference between static and a class method: Define the method +foo in MYBaseClass and its subclass MYSubClass. NSArray* classes = @[ [MYBaseClass class], [MYSubClass class] ]; [classes makeObjectsPerformSelector: @selector(foo)]; Wouldn't work with a static method. That said, I would'a p...
What's the difference between Invoke() and BeginInvoke()
... a short, working example to see an effect of their difference
new Thread(foo).Start();
private void foo()
{
this.Dispatcher.BeginInvoke(DispatcherPriority.Normal,
(ThreadStart)delegate()
{
myTextBox.Text = "bing";
Thread.Sleep(TimeSpan.FromSeconds(3));
});
MessageB...
In WPF, what are the differences between the x:Name and Name attributes?
...and most people leave it but you can change it to whatever you like
xmlns:foo="http://schemas.microsoft.com/winfx/2006/xaml"
so your reference would be foo:name
Define and Use Namespaces in WPF
OK lets look at this a different way. Say you drag and drop an button onto your Xaml page. You can ...
Benefits of inline functions in C++?
...L/shared library to a client, who compiles against it. The inline function foo, using member variable X and doing work Y will get inlined in the client's code. Let's say to need to deliver an updated version of your DLL where you changed the member variable to Z, and add a work YY in addition to wor...
Django Setup Default Logging
...owdhury With the above configuration if you do logger = logging.getLogger('foo'); logger.warn('bar'); then the default handler will catch that logging and something like <time> WARN: foo: bar will end up in logs/mylog.log
– Chris W.
Jun 13 '12 at 17:57
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Python: Tuples/dictionaries as keys, select, sort
...t really use dicts as keys, but you can create a simplest class like class Foo(object): pass and add any attributes to it on the fly:
k = Foo()
k.color = 'blue'
These instances can serve as dict keys, but beware their mutability!
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What is the best way to create constants in Objective-C
...'s in an application and not a framework. If you do static NSString *const foo = @"foo";, then your header determines what the string is, and it must be the same everywhere—if you ever change the string and different parties use different versions of the header with a different string, then the st...
Lua简明教程 - 脚本技术 - 清泛IT论坛，有思想、有深度
...中的一个德行。比如：下面的两个函数是一样的：function foo(x) return x^2 end
foo = function(x) return x^2 end复制代码
Table所谓Table其实就是一个Key Value的数据结构，它很像Javascript中的Object，或是PHP中的数组，在别的语言里叫Dict或Map，Table...