大约有 1,700 项符合查询结果(耗时:0.0261秒) [XML]

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How can I reverse a NSArray in Objective-C?

... For obtaining a reversed copy of an array, look at danielpunkass' solution using reverseObjectEnumerator. For reversing a mutable array, you can add the following category to your code: @implementation NSMutableArray (Reverse) - ...
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Redefine tab as 4 spaces

...ated by pressing the tab key, which would result in the file literally containing (up to) 4 space characters for each "tab" you type? Depending on your answer, one of the following sets of settings should work for you: For tab characters that appear 4-spaces-wide: set tabstop=4 If you're using...
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What does %~dp0 mean, and how does it work?

... - expands %I to a file extension only %~sI - expanded path contains short names only %~aI - expands %I to file attributes of file %~tI - expands %I to date/time of file %~zI - expands %I to size of file %~$PATH:I - searches the directories listed in the PATH ...
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Hidden features of Python [closed]

... Chaining comparison operators: >>> x = 5 >>> 1 < x < 10 True >>> 10 < x < 20 False >>> x < 10 < x*10 < 100 True >>> 10 > x <= 9 True >>> 5 == x ...
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Expanding tuples into arguments

...ted May 27 at 13:31 Nicolas Gervais 13.3k77 gold badges3434 silver badges5656 bronze badges answered Jan 3 '10 at 2:24 ...
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Can you control how an SVG's stroke-width is drawn?

...the inset and offset of a shape. It's not perfect (need to keep checking against latest browser versions) but it does accurately provide a shapes outer width for now. – Steve Sep 2 '11 at 10:02 ...
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莱昂氏unix源代码分析 PDF - 文档下载 - 清泛网 - 专注C/C++及内核技术

...块(5561) 329 20.2 mount表(0272) 329 20.3 iinit(6922) 330 20.4 安装 330 20.5 smount(6086) 330 20.6 注释 331 20.7 iget(7276) 331 20.8 getfs(7167) 332 20.9 update(7201) 332 20.10 sumount(6144) 333 20.11 资源分配 333 20.12 alloc(6956) 334 20.13 itrunc(7414) ...
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Which is fastest? SELECT SQL_CALC_FOUND_ROWS FROM `table`, or SELECT COUNT(*)

...nished my check on INNODB from 10 checks I can tell that it's 26(2query) against 9.2(1 query) SELECT SQL_CALC_FOUND_ROWS tblA.*, tblB.id AS 'b_id', tblB.city AS 'b_city', tblC.id AS 'c_id', tblC.type AS 'c_type', tblD.id AS 'd_id', tblD.extype AS 'd_extype',...
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List Git aliases

...to yield lines starting with alias in case some configurations somehow contains keyword alias: git config --list | grep -E '^alias' – MasterMind Feb 2 '18 at 10:19 add a comme...
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How can I get the external SD card path for Android 4.0+?

...unt") .redirectErrorStream(true).start(); process.waitFor(); final InputStream is = process.getInputStream(); final byte[] buffer = new byte[1024]; while (is.read(buffer) != -1) { s = s + new String(buffer); } is.close(); ...