Problem solution
1. Back up the account first
select * into t_bd_account_1125 from T_BD_ACCOUNT
2, find out the problem voucher
select distinct b.FNUMBER as account book Code, v.FYEAR as year
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Haskell: Type Category: Multi-inheritance example
I began to know that we can implement multiple inheritance using type classes. I have written small Haskell code, but I can’t figure out the problem.
{-# LANGUAGE GeneralizedNewtypeDeriving #
How to use more complex type inheritance in Julia
I am trying to use the regular type Any in the following functions:
function f(arr::Array{Tuple{ASCIIString , Any},1})
arr[1]
end It applies to
f([(“a “,1), (“b”,”x”)]) But in
f(
Big big architecture better MySQL query performance
There is a very strange problem between the query on my server and the MySql InnoDB architecture.
The query has a high query time (about 1, 6 – 2 seconds), and my database is almost empty.
Performance – Monitor all API response time Serverice quality, which one is better close to median, span 5-95 or higher?
I want to monitor the response time of the API. I can use the average, median and other methods to monitor. But I face the following problems:
Average Question
If one of the requests ta
Performance – How many nginx redirects too much?
I am working on a news center website that has existed for many years, and is steadily increasing page redirects. Currently we have about 375 redirects, an increase of about 5-10 per month. < p>
Visual-Studio-2008 – In VB 2008, why does the short circuit need to be longer than the integer?
In this example:
Sub Button1_Click(sender As Object, ByVal e As EventArgs) Handles Button1.Click< br /> Dim stopwatch1, stopwatch2 As New Stopwatch: Dim EndLoop As ULong = 10000
stopwatch1.S
Game Physics – How to use KinematicBody2D to prevent slopes from slipping more ideas?
I have a basic code below. I don’t think the player will slide down on the slope. My slope is now 45°. If the player stops moving on the slope, it will go down Sliding (probably because of velocity
Multi-site RSS news text, import the discuz forum, automatically post realize
There is too much content, just reprint the link!
http://blog.csdn.net/kissliux/article/details/14521775
http://blog.csdn.net/kissliux/article/details/14522187
Thanks to the author for sharing such good information!
Multi-site RSS press text, import the discuz forum, automatic post (3)
This article talks about simultaneously crawling rss news text from multiple sites, and then Design and implementation of importing into discuz forum
Intercepting news text, please see the f