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How do I return multiple values from a function? [closed]
...ong lists of tuples, such as results of DB queries). For individual items (if the function in question is not called often) dictionaries and classes are just fine as well. But namedtuples are a nice/nicer solution in this case as well.
– Lutz Prechelt
Feb 23 '1...
Is there a cross-browser onload event when clicking the back button?
... This is because the browser assumes the page is uncacheable if it has a onunload handler (the page has already destroyed everything; why cache it?).
– Casey Chu
May 10 '10 at 7:13
...
组件美化使用指导 · App Inventor 2 中文网
...1.SetClickable(标签1)
}
when 组件美化1.ComponentClicked(组件) {
if 组件 == 标签1 {
标签1.Text = "点了标签"
}
}
运行效果：布局变成带阴影的白色圆角卡片，按钮是左浅右深的蓝色渐变圆角按钮；点标签，标签文字变成「点了标签」...
Is it possible to have multiple statements in a python lambda expression?
...
There are several different answers I can give here, from your specific question to more general concerns. So from most specific to most general:
Q. Can you put multiple statements in a lambda?
A. No. But you don't actually need to use a lam...
Spring schemaLocation fails when there is no internet connection
...There is no need to use the classpath: protocol in your schemaLocation URL if the namespace is configured correctly and the XSD file is on your classpath.
Spring doc "Registering the handler and the schema" shows how it should be done.
In your case, the problem was probably that the spring-contex...
Best approach to converting Boolean object to string in java
...
I don't think there would be any significant performance difference between them, but I would prefer the 1st way.
If you have a Boolean reference, Boolean.toString(boolean) will throw NullPointerException if your reference is null. As the reference is unboxed t...
argparse module How to add option without any argument?
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What does the “@” symbol mean in reference to lists in Haskell?
... between (1) or (2):(3).
This syntax actually works for any constructor; if you have data Tree a = Tree a [Tree a], then t@(Tree _ kids) gives you access to both the tree and its children.
share
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AngularJS - convert dates in controller
...r conversion to string
http://docs.angularjs.org/api/ng.filter:date
But if you are using HTML5 type="date" then the ISO format yyyy-MM-dd MUST be used.
item.dateAsString = $filter('date')(item.date, "yyyy-MM-dd"); // for type="date" binding
<input type="date" ng-model="item.dateAsString" v...
Significance of -pthread flag when compiling
...h -D_REENTRANT, and linked with -lpthread. On other platforms, this could differ. Use -pthread for most portability.
Using _REENTRANT, on GNU libc, changes the way some libc headers work. As a specific example, it makes errno call a function returning a thread-local location.
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