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Discuz轻松生成sitemaps.xml网站地图 - 更多技术 - 清泛网 - 专注C/C++及内核技术

....sitemaps.org/schemas/sitemap/0.9/sitemap.xsd\">\n"; $querys = DB::query("SELECT a.tid FROM ".DB::table('forum_thread')." a inner join ".DB::table('forum_forum')." b on a.fid=b.fid ORDER BY a.tid DESC LIMIT 0,10000"); while($threadfid = DB::fetch($querys)) { $turl=$web_root.'thread-'.$threadfid[...
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pandas GroupBy columns with NaN (missing) values

...s far result in potentially dangerous behavior as it is quite possible you select a dummy value that is actually part of the dataset. This is increasingly likely as you create groups with many attributes. Simply put, the approach doesn't always generalize well. A less hacky solve is to use pd.drop_...
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How are zlib, gzip and zip related? What do they have in common and how are they different?

...ompressed output for the same input data, as evidenced by the existence of selectable compression levels that allow trading off compression effectiveness for CPU time. zlib and PKZIP are not the only implementations of deflate compression and decompression. Both the 7-Zip archiving utility and Googl...
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How to get the source directory of a Bash script from within the script itself?

...e you locate this at start of the script. This comment and code Copyleft, selectable license under the GPL2.0 or later or CC-SA 3.0 (CreativeCommons Share Alike) or later. (c) 2008. All rights reserved. No warranty of any kind. You have been warned. http://www.gnu.org/licenses/gpl-2.0.txt http://c...
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Maven: The packaging for this project did not assign a file to the build artifact

...ins - install, as pointed with red arrow in below image. Once I run the selected install under Lifecycle as illustrated above, the issue gone, and my maven install compile build successfully. share | ...
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What is the difference between == and Equals() for primitives in C#?

... accepts the same type. If you write age.Equals(newAge), the compiler will select int.Equals(int) as the best overload and implicitly convert short to int. It will then return true, since this method simply compares the ints directly. short also has a short.Equals(short) method, but int cannot be im...
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Are there benefits of passing by pointer over passing by reference in C++?

...ng reference in C? I am using codeblock (mingw) latest version and in that selecting a C project. Still passing by reference (func (int& a)) works. Or is it available in C99 or C11 onwards? – Jon Wheelock Oct 12 '15 at 1:18 ...
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How to immediately see compile errors in project tree of IntelliJ Idea?

... docked on the left) click the "Project" dropdown in the upper left corner select "Problems" under "Scopes" You'll see a tree of files and problems. Also, on the bottom toolbar, you should see a tab called "Problems" which lists everything as well. It's not as easy to use as the Eclipse "Problem...
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SOAP or REST for Web Services? [closed]

...hod. With SOAP you have the burden of right-clicking on your reference and selecting "update" and then fixing a few compile errors. (Sarcasm included free of charge.) – Josh M. Nov 4 '10 at 18:36 ...
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Parse a URI String into Name-Value Collection

... What about the URL decoding described in the selected answer? – Clint Eastwood Jun 5 '14 at 20:38 7 ...