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快速理解 高频对冲套利自动交易（程式化交易） - 更多技术 - 清泛网 - 专注...
...晚上头发全白了。（注：娱乐贴）
[此贴子已经被作者于2012-7-5 16:59:23编辑过]
哈哈，的确是“娱乐贴”，这种情况绝不可能发生，因为，采用交易所支持的对冲套利指令（目前，就只有大连、郑州2家支持，上海的2家不支持...
Is there a performance difference between CTE , Sub-Query, Temporary Table or Table Variable?
...resented in 2007, any idea whether they have incorporated it in SQL Server 2012?
– Gordon Linoff
Jun 23 '12 at 19:20
3
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Would you, at present date, use JBoss or Glassfish (or another) as Java EE server for a new project?
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What is the verdict now in 2012? Does JBoss 7 AS come king over Glassfish in the Java 6 EE realm? Or the other way around?
– Rolando
Jul 19 '12 at 2:16
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Setting up a deployment / build / CI cycle for PHP projects
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Hi, as of Oct 2012, is php-ci.net down or pulled already from service? I can't seem to connect to that address, nor can I find new information from the past year.
– Ryan
Oct 16 '12 at 9:37
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Node.js on multi-core machines
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[This post is up-to-date as of 2012-09-02 (newer than above).]
Node.js absolutely does scale on multi-core machines.
Yes, Node.js is one-thread-per-process. This is a very deliberate design decision and eliminates the need to deal with locking semantics....
How do I find out which process is locking a file using .NET?
... I've tried this out (and it works) on Windows 2008R2, Windows 2012R2, Windows 7 and Windows 10. I found that it had to be run with elevated privileges in a lot of circumstances otherwise it fails when trying to get the list of processes locking a file.
– Jay
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How can I create directory tree in C++/Linux?
...s a proposal for C++ TR2 based on the Boost.Filesystem library. Visual C++ 2012 includes an implementation of the proposed library.
– Chunliang Lyu
Sep 4 '13 at 7:49
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What is the difference between C# and .NET?
...e and .NET can evolve separately though there is connection via the CTS. VS2012 e.g. not support C# 6 compiler but works with .NET 4.6
– Frank Q.
Mar 17 '18 at 6:05
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How do I get currency exchange rates via an API such as Google Finance? [closed]
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I got this content from http://www.scriptarticle.com/2012/05/03/get-live-currency-rates-and-currency-conversion-using-php-and-apis/
<?php
function get_currency($from_Currency, $to_Currency, $amount) {
$amount = urlencode($amount);
$from_Currency = urlencode($from_C...
How JavaScript closures are garbage collected
...but the expected behavior.
From Mozilla's Memory management page: "As of 2012, all modern browsers ship a mark-and-sweep garbage-collector." "Limitation: objects need to be made explicitly unreachable".
In your examples where it fails some is still reachable in the closure. I tried two ways to m...