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How do I add custom field to Python log format string?

...'Super App'} logger = logging.getLogger(__name__) syslog = logging.StreamHandler() formatter = logging.Formatter('%(asctime)s %(app_name)s : %(message)s') syslog.setFormatter(formatter) logger.setLevel(logging.INFO) logger.addHandler(syslog) logger = logging.LoggerAdapter(logger, extra) logger.inf...
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Like Operator in Entity Framework?

...cified expression, or zeros if the pattern is not found, on all valid text and character data types Namespace: System.Data.Objects.SqlClient Assembly: System.Data.Entity (in System.Data.Entity.dll) A bit of an explanation also appears in this forum thread. ...
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How to Flatten a Multidimensional Array?

... You can use the Standard PHP Library (SPL) to "hide" the recursion. $a = array(1,2,array(3,4, array(5,6,7), 8), 9); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($a)); foreach($it as $v) { echo $v, " "; } prints 1 2 3 4 ...
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CSS Image size, how to fill, not stretch?

I have an image, and I want to set it a specific width and height (in pixels) 15 Answers ...
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How to vertical align an inline-block in a line of text?

I want to create an inline-block that will take on some unknown width and height. (It'll have a table inside it with content dynamically generated). Further, the inline-block should be placed inside a line of text, such as "my text (BLOCK HERE)". To make it look pretty, I'm trying to make the blo...
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Why does String.valueOf(null) throw a NullPointerException?

...ring.valueOf(Object) String.valueOf(char[]) Java Specification Language mandates that in these kind of cases, the most specific overload is chosen: JLS 15.12.2.5 Choosing the Most Specific Method If more than one member method is both accessible and applicable to a method invocation, it is n...
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MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...

...性能,网络影响有点大,数据丢失的应该很少 2 主库dump数据,锁库,然后同步,不好。 影响业务使用 3 percona-toolkit 中的工具来校验和同步,从介绍上来看是符合现在的情况的,使用上还需要学习和认识才行。 下面是几个参...
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Inputting a default image in case the src attribute of an html is not valid?

...tatic.net/Img/unified/sprites.svg?v=e5e58ae7df45" alt="Stack Overflow logo and icons and such"> </object> </p> </body> </html> Since the first image doesn't exist, the fallback (the sprites used on this web site*) will display. And if you're using a re...
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How do I write a correct micro-benchmark in Java?

How do you write (and run) a correct micro-benchmark in Java? 11 Answers 11 ...
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Best way to require all files from a directory in ruby?

...ich can lead to spurious errors. I added my own answer which explains that and shows how to strip the extension. – Pete Hodgson Feb 9 '10 at 18:40 4 ...