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创业第一年 太特么累了 - 资讯 - 清泛网 - 专注C/C++及内核技术
...贴吗？”，“公司有高温费吧？”。。。。。。；在考虑如何回答这些我都没想过的问题时，忽然感觉心里有一万只草泥马在奔腾，这货是故意来玩我的吧？再这么聊下去，估计我钱包里仅有的两百块钱也保不住，他留下还不祸...
Can table columns with a Foreign Key be NULL?
... otherwise an empty string can be passed as default. This is the case with MySQL, and results in an integrity error on update.
– CodeMantle
Mar 21 at 8:28
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如果携程决心战略性亏损到底，去哪儿怕是只剩一条路可走 - 资讯 - 清泛网 -...
...会入市，而这可能造成携程股价的波动，而对管理层而言如何平稳的过渡获得更高的评级保持股价的稳定增长在一定程度上也是一个挑战。今年2月9日，携程原第一大股东，美国知名老牌共同基金奥本海默基金清空了其持有的所...
How to deal with SQL column names that look like SQL keywords?
... What about: select TableName.from from TableName; PS: It works in MySQL
– Rudolf Real
Sep 10 '12 at 15:09
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MySQL select with CONCAT condition
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f5734570%2fmysql-select-with-concat-condition%23new-answer', 'question_page');
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Run a Docker image as a container
... If you need to add an environment variable you can do docker run -i -t -e ROOT_PASSWORD=root ubuntu:12.04
– Balaji Radhakrishnan
Dec 16 '17 at 14:23
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Is asynchronous jdbc call possible?
... busy/blocked per concurrent request.
If the underlying database drivers (MySql?) offers a means to intercept the socket creation (see SocketFactory) then I imagine it would be possible to build an async event driven database layer on top of the JDBC api but we'd have to encapsulate the whole JDBC ...
Data binding to SelectedItem in a WPF Treeview
...e namespace declaration):
<TreeView ItemsSource="{Binding Path=Root.Children}" local:TreeViewHelper.SelectedItem="{Binding Path=SelectedItem, Mode=TwoWay}">
</TreeView>
Now you can bind the selected item, and also set it in your view model to change it programmatically, s...
Master-master vs master-slave database architecture?
...uture. I came across
Master-Slave Replication
Master-Master Replication
MySQL Cluster
I have decided to settle for using MySQL Cluster for my use case. However please see below for the various pros and cons that I have compiled
1. Master-Slave Replication
Pros
Analytic applications can rea...
Using LIMIT within GROUP BY to get N results per group?
... behavior of both quirks is not guaranteed. Revised answer as follows.
In MySQL 5.x you can use poor man's rank over partition to achieve desired result. Just outer join the table with itself and for each row, count the number of rows lesser than it. In the above case, lesser row is the one with hi...