大约有 40,700 项符合查询结果（耗时：0.0545秒） [XML]
Multiprocessing - Pipe vs Queue
...to communicate, use a Queue().
If you need absolute performance, a Pipe() is much faster because Queue() is built on top of Pipe().
Performance Benchmarking
Let's assume you want to spawn two processes and send messages between them as quickly as possible. These are the timing results of a drag ...
How do I detect if Python is running as a 64-bit application? [duplicate]
I'm doing some work with the windows registry. Depending on whether you're running python as 32-bit or 64-bit, the key value will be different. How do I detect if Python is running as a 64-bit application as opposed to a 32-bit application?
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Determine the process pid listening on a certain port
...and the port number. I would like to match the PID of the server which is listening on certain port, and then I would like to kill this process. I need that in order to complete my bash script.
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Compiling with g++ using multiple cores
Quick question: what is the compiler flag to allow g++ to spawn multiple instances of itself in order to compile large projects quicker (for example 4 source files at a time for a multi-core CPU)?
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PostgreSQL Autoincrement
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Yes, SERIAL is the equivalent function.
CREATE TABLE foo (
id SERIAL,
bar varchar);
INSERT INTO foo (bar) values ('blah');
INSERT INTO foo (bar) values ('blah');
SELECT * FROM foo;
1,blah
2,blah
SERIAL is just a create table time m...
UnicodeDecodeError, invalid continuation byte
Why is the below item failing? Why does it succeed with "latin-1" codec?
10 Answers
10...
How to Get the Current URL Inside @if Statement (Blade) in Laravel 4?
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You can use: Request::url() to obtain the current URL, here is an example:
@if(Request::url() === 'your url here')
// code
@endif
Laravel offers a method to find out, whether the URL matches a pattern or not
if (Request::is('admin/*'))
{
// code
}
Check the related docum...
How can I escape a double quote inside double quotes?
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answered Sep 30 '10 at 21:07
PeterPeter
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Swift class introspection & generics
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Well, for one, the Swift equivalent of [NSString class] is .self (see Metatype docs, though they're pretty thin).
In fact, NSString.class doesn't even work! You have to use NSString.self.
let s = NSString.self
var str = s()
str = "asdf"
Similarly, with a swift class I tried......
Android: how to handle button click
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Question 1:
Unfortunately the one in which you you say is most intuitive is the least used in Android. As I understand, you should separate your UI (XML) and computational functionality (Java Class Files). It also makes for easier debugging. It is actually a lot easier to read th...