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Will docker container auto sync time with the host machine?
...mezone of docker container correctly. Do I need to install a NTP server inside the docker container to periodically sync the time or the container will sync the time from its host machine?
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How do I get the MIN() of two fields in Postgres?
... edited Feb 3 '11 at 5:26
David Underhill
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answered Nov 25 '08 at 22:17
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Entity Framework: There is already an open DataReader associated with this Command
...is executed before first one has completed the reading. The only way to avoid the exception is to allow multiple nested DataReaders = turn on MultipleActiveResultSets. Another scenario when this always happens is when you iterate through result of the query (IQueryable) and you will trigger lazy loa...
Is there a way to use two CSS3 box shadows on one element?
... is an inner lighter box shadow (2px), and the second is a drop shadow outside the button (5px) itself.
2 Answers
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How to insert a newline in front of a pattern?
... and was having problems with a ^M caret M (ctrl+m) getting written to the file. I ended up using perl with the same params.
– Steve Tauber
May 25 '13 at 1:11
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Broken references in Virtualenvs
I recently installed a bunch of dotfiles on my Mac along with some other applications (I changed to iTerm instead of Terminal, and Sublime as my default text editor) but ever since, all my virtual environments have stopped working, although their folders inside .virtualenvs are still there and they ...
iTerm2 keyboard shortcut - split pane navigation
I have been a long time user of the standard Mac Terminal. Decided to experiment with iTerm2 after hearing good things about it from my colleagues.
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CSS: Setting width/height as Percentage minus pixels
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Also if you use Less you'd better compile a file with lessc --strict-math=on in order less not to evaluate the expression inside the calc -- just a problem I faced and spent a lot of time (as of Less 2.0.0)
– Dmitry Wojciechowski
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新浪是如何分析处理32亿条实时日志的？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
...开启了超线程；System Level的优化如关闭swap，调整max open files等；App Level的优化如Java运行环境版本的选择，ES_HEAP_SIZE的设置，修改bulk index的queue size等，另外还设置了默认的index template，目的是更改默认的shard，replica数并将string改...
Java enum - why use toString instead of name
...re the enum constant, you should use name() as toString may have been overriden
If you want to print the enum constant in a user friendly way, you should use toString which may have been overriden (or not!).
When I feel that it might be confusing, I provide a more specific getXXX method, for examp...