大约有 40,000 项符合查询结果（耗时：0.0696秒） [XML]
Searching if value exists in a list of objects using Linq
Say I have a class Customer which has a property FirstName . Then I have a List<Customer> .
9 Answers
...
Pass props to parent component in React.js
...lead novice developers to do very weird things like calling childComponent.setState(...) or childComponent.forceUpdate(), or assigning it new variables, inside the parent, making the whole app much harder to reason about.
Edit: ES6 examples
As many people now use ES6, here are the same examples ...
How to get the user input in Java?
I attempted to create a calculator, but I can not get it to work because I don't know how to get user input .
28 Answers
...
Why does the use of 'new' cause memory leaks?
I learned C# first, and now I'm starting with C++. As I understand, operator new in C++ is not similar to the one in C#.
...
What are the most common naming conventions in C?
What are the naming conventions commonly use in C? I know there are at least two:
11 Answers
...
Any reason why scala does not explicitly support dependent types?
... editor after snippets, if snippets enabled
if (StackExchange.settings.snippets.snippetsEnabled) {
StackExchange.using("snippets", function() {
createEditor();
});
}
else {
createEditor();
...
Declaring variables inside loops, good practice or bad practice?
Question #1: Is declaring a variable inside a loop a good practice or bad practice?
6 Answers
...
Determining Whether a Directory is Writeable
What would be the best way in Python to determine whether a directory is writeable for the user executing the script? Since this will likely involve using the os module I should mention I'm running it under a *nix environment.
...
Getting “CHECKOUT can only be performed on a version resource” when trying to commit using Eclipse s
I'm using Eclipse Juno on Mac 10.7.5, SVN 1.7 and the Eclipse Subversive plugin. Occassioanlly, when I try and commit changes from my project (by right clicking on the project from the package explorer, selecting "Team" -> "Commit"), I get the error:
...