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Using Position Relative/Absolute within a TD?
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Nginx url重写rewrite实例详解 - 更多技术 - 清泛网移动版 - 专注C/C++及内核技术
...由于要rewrite一个地址从/mag/xx/xxx/ -> /m/xxx，但原先 /mag/xx/more/ 要保留这就得写一个比较奇特的正则了，尝试了比较多的写法也没成功
最先想到的是：
location ~* ^/mag/[^/]+/[^(more)]+/ {
rewrite ^/mag/[^/]+/(.*) /m/$1 permanent;
}
[]的写法...
Deleting an element from an array in PHP
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There are different ways to delete an array element, where some are more useful for some specific tasks than others.
Delete one array element
If you want to delete just one array element you can use unset() or alternatively \array_splice().
Also if you have the value and don't know the key to...
How to find a min/max with Ruby
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@Kaz ...you realize std::max(4, 7) has more "punctuation" than [4, 7].max?
– tckmn
Mar 24 '14 at 22:51
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Difference between numeric, float and decimal in SQL Server
...s of approximate numeric types are not acceptable, use Decimal generally.
more useful information
numeric = decimal (5 to 17 bytes) (Exact Numeric Data Type)
will map to Decimal in .NET
both have (18, 0) as default (precision,scale) parameters in SQL server
scale = maximum number of decimal d...
How to permanently export a variable in Linux?
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You can add it to your shell configuration file, e.g. $HOME/.bashrc or more globally in /etc/environment.
After adding these lines the changes won't reflect instantly in GUI based system's you have to exit the terminal or create a new one and in server logout the session and login to reflect the...
Associative arrays in Shell scripts
.../associative array-like functionality in BASH 3 or below. It works though! More here: tldp.org/LDP/abs/html/parameter-substitution.html#PSOREX2
– Bubnoff
Jan 27 '14 at 18:51
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jQuery exclude elements with certain class in selector
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There is little difference between the two approaches, except .not() is more readable (especially when chained) and :not() is very marginally faster. See this Stack Overflow answer for more info on the differences.
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Do I need elements in persistence.xml?
...of Hibernate, have a look at the Chapter2. Setup and configuration too for more details.
EDIT: Actually, If you don't mind not being spec compliant, Hibernate supports auto-detection even in Java SE. To do so, add the hibernate.archive.autodetection property:
<persistence-unit name="eventractor" ...
Why do I get “'property cannot be assigned” when sending an SMTP email?
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@Oskar Okay, so I should have been more specific. You cannot set the mail.to to a specific address. You must use the constructor or call add. I was only addressing the first compiler warning: Error CS0200: Property or indexer 'System.Net.Mail.MailMessage.To...