Yes, the company needs to do a function, is to regularly remind users that coupons are about to expire, is now set in advance 3 days notice users, the table is very simple, on a table, there is coupon_id (coupon ID) user_id (user ID) end_time (coupon end time). Plan to run a script every day, but if you press End_time to filter, will result in a coupon will be re
Someone said why don't you back up? This question I also considered ah, in fact, you have not thought about such a foreign VPS what, back up all the site how to say also have to Baixin trillion it.
You can't download it every day? This bandwidth can not stand, even if the bandwidth is sufficient, perhaps the VPS will also let you download the day to hang.
Ok~ cut to the point, the first to say that this free backup problem, in fact, can not be cost, but there is a prerequisite, That's the name
1492: [NOI2007] Currency exchange cash time
limit:5 Sec Memory limit:64 MBsubmit:3396 solved:1434[Submit] [Status] [Discuss]
Description Small Y recently worked on a Gold exchange. The Gold Exchange only issues two types of gold coupons: A commemorative voucher (hereinafter referred to as a coupon) and B commemorative voucher (hereinafter referred to as B voucher). Each customer who holds a gold coupon
-weekday) day), INTERVAL-1 WEEK) and receivable date 3. Summary of#C024_03 cost sum #C024_04品类cost and gross profit sum category margin is the same as above it's just the sum (field) different can omit the code 4, #C024_09 last week coupon amount #C024_09 last week coupon amount
SELECT ' coupon ' as commodity category
, SUM (if (city = "City A",
After matching this address coupon, the second kill Link is: s. click. taobao. comt? Em % 3D2% 26 s % bytes % 2FWAES3KjEVAR5FF1Zuf0M83nhvB7wsgfuBp9F3RPIkDB4... match this address
Coupon 9.9 yuan second kill Link: http://s.click.taobao.com/t? E = m % 3D2% 26 s % messages % 2FrR0l % 2Fx0BLb % 2BpKxka6% 2BObly8YvHIpLMLhz % 2Bon5e % 2BUUq5xoumkE % 3D
Use the http://s.click.taobao.com/(\ w)(\?)? ([\ W \=\%]) T
Driving Range Functional Requirements Summary:The driving range is distributed in two modules: Home ' voo ' and ' my ' pages.
What does the driving Range management platform mean?
Does the information maintenance background function on the website?
1. Home + "Driving Range"1.1. List of driving rangeParameters: Mobile phone number, latitude and longitudeBack: The last 10 driving range, and a list of the practice fields that the user has used.Error handling: When the driving rang
The automatic message reminder function recently used PHP + MYSQL to write a local applet that records the Coupon Information. I want to add a reminder feature in advance when the coupon expires, after each program is opened, you can receive a prompt on the homepage. please give me some ideas! Thank you! ------ Solution ------------------ you have already understood it. Each time a user logs on, the system
when it comes to money issues, multithreading synchronization issues must be focused on, if not handled improperly can cause unforeseen losses.
YSe-commerce coupon loophole allows a coupon to be used multiple times to generate order "high" Problem Description: users in the YS e-commerce can use the coupons we provide to purchase equipment, and get a certain amount of concessions, a
Students who buy Li Ning Teacher's coupon can purchase it using the coupon below.Mr. Li Ning's course address: http://edu.51cto.com/lecturer/user_id-974126.htmlIt is the most favorite of the ten male gods, there is a picture of the truthHttp://news.51cto.com/art/201607/514139.htmVoucher usage rules: only 3 times times more than the coupon value can be purchased.
Why don't you back up data? I have also considered this problem. Have you ever thought about such foreign vps or something? Back up all the websites and say that it would take hundreds of megabytes.
You cannot download it every day, right? This bandwidth is not enough. Even if the bandwidth is sufficient, you may have to download the vps one day.
OK ~ Let's get started with this free backup question. It's actually not free, but there is a premise that you have bought a domain name at godaddy.co
Tags: use pre updating APP RET primary key index execution plan nod handlePreviously wrote a blog http://leihuang.org/2015/07/22/concurrence-lock/ is how to use optimistic lock to solve concurrency problems, but the project pushed to the line after the error, as follows -08-13 15:12:44 [ERROR] Com.zhubajie.coupon.app.CouponReceiveAppServiceImpl {couponreceiveappserviceimpl.java:50}- # # # Error updating database. Cause:com.mysql.jdbc.exceptions.jdbc4.MySQLTransactionRollbackException:Deadlock fo
In order to attract users and increase sales, many e-commerce websites occasionally offer electronic coupons. Consumers can get discounts after a certain amount of purchased goods. However, Ms. Shen was in a bad mood by The New egg net coupons these days.
A few days ago, xineg.com launched the "email exclusive time" activity. "The first 2000 users click to get one copy of the mysterious egg coupon." You can purchase any product on xineg.com and it is
The text is: {code...}. How can I directly click the hyperlink here? Do I have to splice regular expressions? Regular Expressions cannot be implemented. Is there a simple solution? The text is:
The five-color eyeshadow of the pavilion's natural impression lights up your eyes, and the 9.9 yuan free shipping second-kill after lasting shining coupons, pure welfare !! 9.9 yuan post-coupon free shipping second kill, pure welfare !! 30 yuan computer
Pay treasure Word-of-mouth Anniversary what's the event
Open Alipay, see Word of Mouth Anniversary activity page, click into
June 23-June 25, Pay treasure Word-of-mouth anniversary, the country's top 50,000 popular restaurants, dinner 100 to send 100, light meal to eat the highest 20 to send 20, June 25 more paid PO pay discount, the highest state minus 188 yuan
Pay treasure word of mouth anniversary of red envelopes password sharing
Dot de 30 coupons, red envelopes password: Dot deAuspiciou
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