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How do I change the default port (9000) that Play uses when I execute the “run” command?
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409
Play 2.x
In Play 2, these are implemented with an sbt plugin, so the following instructions...
“is” operator behaves unexpectedly with integers
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403
Take a look at this:
>>> a = 256
>>> b = 256
>>> id(a)
9987148
>...
How to convert an IPv4 address into a integer in C#?
...64.233.187.99. That's equivalent to:
64*2^24 + 233*2^16 + 187*2^8 + 99
= 1089059683
And indeed, http://1089059683/ works as expected (at least in Windows, tested with IE, Firefox and Chrome; doesn't work on iPhone though).
Here's a test program to show both conversions, including the network/hos...
What are the best JVM settings for Eclipse? [closed]
...a full-fledge Eclipse on our crappy workstation at work, some old P4 from 2002 with 2Go RAM and XPSp3. But I have also tested those same settings on Windows7)
Eclipse.ini
WARNING: for non-windows platform, use the Sun proprietary option -XX:MaxPermSize instead of the Eclipse proprietary option ...
MySQL vs MongoDB 1000 reads
...ve been testing it lately. I had a table called posts in MySQL with about 20 million records indexed only on a field called 'id'.
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Is it safe to assume a GUID will always be unique?
...ow there is a minute possibility of a clash but if I generated a batch of 1000 GUIDs (for example), would it be safe to assume they're all unique to save testing each one?
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'transform3d' not working with position: fixed children
...ances, a fixed div would be positioned exactly where it is specified ( top:0px , left:0px ).
10 Answers
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界面布局组件 · App Inventor 2 中文网
...度 属性设置为自动且其中没有任何组件，则 高度 将是 100%。
如果水平布局的 宽度 属性设置为自动，则实际布局的宽度由组件的宽度之和确定。
如果一个 水平布局 的 宽度 属性设置为 自动，任何组件宽度 属性...
How to get the command line args passed to a running process on unix/linux systems?
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310
There are several options:
ps -fp <pid>
cat /proc/<pid>/cmdline | sed -e "s/\x00/ /...