大约有 42,000 项符合查询结果（耗时：0.0647秒） [XML]
When should I use GC.SuppressFinalize()?
...age Collector (GC) that this object was cleaned up fully.
The recommended IDisposable pattern when you have a finalizer is:
public class MyClass : IDisposable
{
private bool disposed = false;
protected virtual void Dispose(bool disposing)
{
if (!disposed)
{
...
The performance impact of using instanceof in Java
...e instanceof operator. While I know that OO design generally tries to avoid using instanceof , that is a different story and this question is purely related to performance. I was wondering if there is any performance impact? Is is just as fast as == ?
...
Custom views with Storyboard
...ollers) I used to separate the whole thing in smaller pieces (I call them widgets). These widgets consist basically of a MyWidget.h and a MyWidget.m file as well as a MyWidget.xib file, where the root element is a UIView and the MyWidget class is the File Owner of the UIView. In the init of ...
Create a tar.xz in one command
... - directory/ | xz -z -T0 - > directory.tar.xz
– oidualc
Nov 10 '18 at 21:52
Another advantage is that you can easi...
Anonymous recursive PHP functions
...
Mind Blown! Thanks a lot! How did I not know about this till now? The amount of application I have for recursive anonymous functions is huge. Now I can finally loop through nested structures in layouts without having to explicitly define a method and keep ...
What does it mean for a data structure to be “intrusive”?
...g the necessary information for the container. That means that on the one side the data type needs to be specialized depending on how it will be stored, on the other side it means that the data "knows" how it is stored and thus can be optimized slightly better.
Non-intrusive:
template<typename ...
Convert Go map to json
...main.Foo
The thing is you cannot use integers as keys in JSON; it is forbidden. Instead, you can convert these values to strings beforehand, for instance using strconv.Itoa.
See this post for more details: https://stackoverflow.com/a/24284721/2679935
...
How to create a static library with g++?
...
@unapersson: No. I'm saying exactly what I said. Executables are no longer produced in a.out format, but the name remains for legacy reasons. (And if you're incapable of using a shell properly then that's your problem; I for one know how to run an executable from the cu...
Using Node.js only vs. using Node.js with Apache/Nginx
... webserver in front of Node.js:
Not having to worry about privileges/setuid for the Node.js process. Only root can bind to port 80 typically. If you let nginx/Apache worry about starting as root, binding to port 80, and then relinquishing its root privileges, it means your Node app doesn't have to...
Automatically plot different colored lines
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...