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C++ Lock-free Hazard Pointer(冒险指针) - C/C++ - 清泛网 - 专注C/C++及内核技术

...注释,详细描述了 C++ 里几种主流的安全内存回收方法,列表如下:优点缺点场景Locking易用读高开销 1. Safe Reclamation Methods Folly 的 Hazard Pointer 实现中有一段注释,详细描述了 C++ 里几种主流的安全内存回收方法,列表如下:...
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Export from sqlite to csv using shell script

I'm making a shell script to export a sqlite query to a csv file, just like this: 5 Answers ...
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PHPCMS判断首页列表页内页分类 - 更多技术 - 清泛网 - 专注C/C++及内核技术

PHPCMS判断首页列表页内页分类有一些有意思的PHPCMS页面判断,比如通过 {$catid} 就可以调出栏目ID,但我们在制作PHPCMS模板时,经常会遇到否栏目,比如首页,就可以这...有一些有意思的PHPCMS页面判断,比如通过 {$catid} 就可以调...
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read.csv warning 'EOF within quoted string' prevents complete reading of file

I have a CSV file (24.1 MB) that I cannot fully read into my R session. When I open the file in a spreadsheet program I can see 112,544 rows. When I read it into R with read.csv I only get 56,952 rows and this warning: ...
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pandas read_csv and filter columns with usecols

I have a csv file which isn't coming in correctly with pandas.read_csv when I filter the columns with usecols and use multiple indexes. ...
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How to split csv whose columns may contain ,

... some are not. For example: using Microsoft.VisualBasic.FileIO; string csv = "2,1016,7/31/2008 14:22,Geoff Dalgas,6/5/2011 22:21,http://stackoverflow.com,\"Corvallis, OR\",7679,351,81,b437f461b3fd27387c5d8ab47a293d35,34"; TextFieldParser parser = new TextFieldParser(new StringReader(csv)); // ...
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Generating CSV file for Excel, how to have a newline inside a value

...start: it recognises that your data is encoded in UTF-8 but it ignores the csv extension and drops you into the Text Import not-a-Wizard, unfortunately with the result that you get the line-break problem. Options include: Train the users not to open the files from within Excel :-( Consider writ...
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What MIME type should I use for CSV?

I've seen application/csv used and also text/csv . 5 Answers 5 ...
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csv.Error: iterator should return strings, not bytes

Sample.csv contains the following: 5 Answers 5 ...
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Microsoft Excel mangles Diacritics in .csv files?

I am programmatically exporting data (using PHP 5.2) into a .csv test file. Example data: Numéro 1 (note the accented e). The data is utf-8 (no prepended BOM). ...