大约有 15,477 项符合查询结果(耗时:0.0230秒) [XML]

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Which is faster: while(1) or while(2)?

...on for each iteration. First example (returning 1): .L4: call x testl %eax, %eax jne .L4 movl $0, %eax addq $32, %rsp popq %rbp ret .seh_endproc .ident "GCC: (tdm64-2) 4.8.1" Second example (returning sqrt(7)): .L4: call x xorpd %xmm1,...
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if arguments is equal to this string, define a variable like this string

... usage exit 1 ;; t) TEST=$OPTARG ;; r) SERVER=$OPTARG ;; p) PASSWD=$OPTARG ;; v) VERBOSE=1 ;; ?) usage ...
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Make a link in the Android browser start up my app?

... above. This works with the built-in browser, Opera, and Firefox (haven't tested any other browser). Firefox asks 'This link needs to be opened with an application' (ok, cancel). Other browsers apparently don't worry about security that much, they just open the app, no questions asked. ...
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Tar archiving that takes input from a list of files

...check out the other answers below. E.g. For sunOS, two alternatives I have tested: tar -cvf file.tar -I list.txt and tar -cvf file.tar $(cat list.txt) – Nasri Najib Sep 2 '19 at 8:37 ...
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Dynamically load a JavaScript file

...cr" + "ipt>"); } </script> It worked great in every browser I tested it in: IE6/7, Firefox, Safari, Opera. Update: jQuery-less version: <script> var js = ["scripts/jquery.dimensions.js", "scripts/shadedborder.js", "scripts/jqmodal.js", "scripts/main.js"]; for (var i = 0, l =...
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Why dict.get(key) instead of dict[key]?

...ntage of returning the default value. But to clear all our queries, we can test on a fairly large list (Note that the test includes looking up all the valid keys only) def getway(d): for i in range(100): s = d.get(i) def lookup(d): for i in range(100): s = d[i] Now timing...
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How do I write LINQ's .Skip(1000).Take(100) in pure SQL?

...ty linear with the @skip! The row_number approach does NOT have this (only tested on indexed order). For lo @Skip less about 20, the new syntax is faster than the row_number approach though. – Eske Rahn Jun 24 '18 at 14:23 ...
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How to check if one DateTime is greater than the other in C#

...ent, but when using the accepted answer, it did not fulfill all of my unit tests. The issue for me is when you have a new object, with Start and End dates and you have to set the Start date ( at this stage your End date has the minimum date value of 01/01/0001) - this solution did pass all my unit t...
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boost::filesystem指南 - C/C++ - 清泛网 - 专注C/C++及内核技术

... //filesystem中最基本的类型 bf::path path("/tmp/test"); //对当前的目录的操作 bf::path old_cpath=bf::current_path(); //取得当前目录 bf::path file_path = path / "file"; //path重载了 / 运算符 //判断文件存在...
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Sending email through Gmail SMTP server with C#

...d, if that doesn't reveal anything, post it. I was just enabling this on a test ASP.NET site I was working on, and it works. Actually, at some point I had an issue on my code. I didn't spot it until I had a simpler version on a console program and saw it was working (no change on the Gmail side as...