大约有 47,000 项符合查询结果（耗时：0.0720秒） [XML]
Is multiplication and division using shift operators in C actually faster?
...with the core i7:
(from http://software.intel.com/en-us/forums/showthread.php?t=61481)
The latency is 1 cycle for an integer addition and 3 cycles for an integer multiplication. You can find the latencies and thoughput in Appendix C of the "Intel® 64 and IA-32 Architectures Optimization Refere...
What is the difference between native code, machine code and assembly code?
...ictly speaking, most dynamically-typed languages — such as Perl, Python, PHP and Ruby — are also managed code. However, they are not commonly described as such, which shows that managed code is actually somewhat of a marketing term for the really big, serious, commercial programming environments...
How to get the result of OnPostExecute() to main activity because AsyncTask is a separate class?
...g receivedData = new AsyncTask().execute("http://yourdomain.com/yourscript.php").get();
}
catch (ExecutionException | InterruptedException ei) {
ei.printStackTrace();
}
share
|
improve this an...
How do I execute a string containing Python code in Python?
...//lucumr.pocoo.org/2011/2/1/exec-in-python/ (emphasis mine)
Python is not PHP
Don't try to circumvent Python idioms because some other language does it differently. Namespaces are in Python for a reason and just because it gives you the tool exec it does not mean you should use that tool.
It is da...
How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
... I ant the same config in TomEE and JBoss.. forum.primefaces.org/viewtopic.php?f=3&t=43798
– Dmitry Alexandrov
Nov 17 '15 at 11:26
...
Best practices for API versioning? [closed]
...g platforms/languages commonly used to implement web services (Java, .NET, PHP, Perl, Rails, etc.) allow easy binding of web service end-point(s) to a base URI. This way it's easy to gather and keep a collection of files/classes/methods separate across different API versions.
From the API users PO...
What is in your .vimrc? [closed]
...
Refer to this script (vim.org/scripts/script.php?script_id=1349) to get the available colors. May need to turn on 256 color support for vim to get a wider variety.
– Brian Wigginton
Dec 13 '10 at 6:33
...
Why exactly is eval evil?
...estion is not specific to LISP. Here is an answer on the same question for PHP, and it applies to LISP, Ruby, and other other language that has an eval:
The main problems with eval() are:
Potential unsafe input. Passing an untrusted parameter is a way to
fail. It is often not a trivial...
Does Python have “private” variables in classes?
...
I wonder if PHP has something similar with its goofy private variables - since private variables don't really make sense in interpreted language - I mean what optimization can it do knowing x variable is private, if it is not compiled?
...
What's the best manner of implementing a social activity stream? [closed]
...ok at getstream.io There are clients available for Node, Python, Rails and PHP.
In addition have a look at this high scalability post were we explain some of the design decisions involved:
http://highscalability.com/blog/2013/10/28/design-decisions-for-scaling-your-high-traffic-feeds.html
This tut...