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What is x after “x = x++”?
... I know this is super old, but I have a question. Is the above order of operation guaranteed by the standard? Is it possible that the assignment is executed before the increment?
– Emerald Weapon
Apr 24 '16 at 14:35
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'UserControl' constructor with parameters in C#
...s Designer forces you to provide a parameterless constuctor on controls in order to work properly. Actually, it only requires a parameterless constructor in order to instantiate controls, but not to design them (the designer will actually parse the InitializeComponent method while designing a contro...
How to check if all of the following items are in a list?
...'s not really that confusing if you recall the inclusion defines a partial order on any set of sets. It's actually slightly confusing that <= has the meaning it does for sequences: one might expect it to mean 'is a subsequence` of rather than lexicographical ordering.
– aaro...
Invalid default value for 'create_date' timestamp field
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In ubuntu desktop 16.04, I did this:
open file: /etc/mysql/mysql.conf.d/mysqld.cnf in an editor of your choice.
Look for: sql_mode, it will be somewhere under [mysqld].
and set sql_mode to the following:
NO_ZERO_IN_DATE,ERROR_FOR_DIVISION_BY_ZERO,NO_AUTO_CREATE_USER,NO_ENG...
Linux下追踪程序退出(崩溃)思路 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
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历史命令默认会保存1000条，如果觉得太少，可以修改/etc/profile中HISTSIZE=1000，改成你想要的值。
注意：history只针对登录用户下执行有效，即使root用户也无法得到其它用户histotry历史。当然，还是有办法记录所有登陆用户的...
基于内网外隔离的微信推送解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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端口转发配置
安装rinetd 请自行百度
编辑配置vi /etc/rinetd.conf
启动程序
pkill rinetd ##关闭进程
rinetd -c /etc/rinetd.conf ##启动转发
把这条命令加到/etc/rc.local里面就可以开机自动运行
查看状态
netstat -antup
tomca...
Returning value from Thread
...DownLatch. The value array creation happens-before uiThread start (program order rule) which synchronizes-with the assignment of 2 to value[0] (thread start) which happens-before latch.countDown() (program order rule) which happens-before latch.await() (guarantee from CountDownLatch) which happens-b...
Permanently Set Postgresql Schema Path
... a schema name is not simple, it needs to be wrapped in double quotes.
The order in which you set default schemas a, b, c matters, as it is also the order in which the schemas will be looked up for tables. So if you have the same table name in more than one schema among the defaults, there will be n...
Importing a CSV file into a sqlite3 database table using Python
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This code is not optimized for very large csv files (order of GBs)
– Nisba
Jul 26 '19 at 11:00
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Is the 'type' attribute necessary for tags?
...ic event scripts in HTML4 (like in onload, onclick, onmouseover attributes etc.) you have to define <meta http-equiv="content-script-type" content="text/javascript"> in <head> or configure your server to send Content-Script-Type: text/javascript in HTTP headers.
– T...