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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...过程我也是网上学来的，可参考此文：http://bbs.weiphone.com/read-htm-tid-1628444.html
要注意几个要点就是：（1）引导的iso要用对，在安装系统之前，因为是amd的机器（intel已经可以装lion了，此处不再讨论），应用darwin_snow_legacy.iso...
How to checkout a specific Subversion revision from the command line?
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If you already have it checked out locally then you can cd to where it is checked out, then use this syntax:
$ svn up -rXXXX
ref: Checkout a specific revision from subversion from command line
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get just the integer from wc in bash
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whoops, just re-read the question.. #fail, i was researching how to get just the integers, and i was using information from one of the answers, when i discovered a better answer, and then decided to post about it. sorry..
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Array_merge versus + [duplicate]
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The example code is great, however hard to read. Would be much better if it was formatted correctly...
– Yep_It's_Me
Mar 12 '18 at 5:35
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How does having a dynamic variable affect performance?
I have a question about the performance of dynamic in C#. I've read dynamic makes the compiler run again, but what does it do?
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Convert decimal to hexadecimal in UNIX shell script
...e you mean convert hex to dec. To do that, set ibase=16. You might like to read the manual on bc for more details.
– Bill Karwin
May 28 '15 at 1:58
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Dump Mongo Collection into JSON format
...V. You can specify a filter for the query, or a list of fields to output
Read more here: http://www.mongodb.org/display/DOCS/mongoexport
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Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
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This thread mentions:
If you don't remember the empty tree sha1, you can always derive it with:
git hash-object -t tree /dev/null
Or, as Ciro Santilli proposes in the comments:
printf '' | git hash-object --stdin -t tree
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Get element from within an iFrame
...innerDoc = iframe.contentDocument || iframe.contentWindow.document; //more readable and means the same
– David Snabel-Caunt
Jul 6 '09 at 18:40
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How do I repeat an edit on multiple lines in Vim?
...ptures initial whitespace and saves it into a register, which you can then read with \1.
– Svante
Dec 10 '08 at 12:59
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