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In Python, how do I convert all of the items in a list to floats?

I have a script which reads a text file, pulls decimal numbers out of it as strings and places them into a list. 12 Answers...
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How can I list all collections in the MongoDB shell?

... You can do... JavaScript (shell): db.getCollectionNames() Node.js: db.listCollections() Non-JavaScript (shell only): show collections The reason I call that non-JavaScript is because: $ mongo prodmongo/app --eval "show collections" M...
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Why were pandas merges in python faster than data.table merges in R in 2012?

...cible benchmark. It upgrades tools to recent versions and re-run benchmark scripts. It runs many other software solutions. If you are interested in Spark, Dask and few others be sure to check the link. As of now... (still to be implemented: one more data size and 5 more questions) We tests 2 dif...
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How does the Windows Command Interpreter (CMD.EXE) parse scripts?

... ran into ss64.com which provides good help regarding how to write batch scripts that the Windows Command Interpreter will run. ...
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FloatingActionButton 扩展:悬浮操作按钮扩展,可自定义颜色、大小、位置...

...tor 2 中文网  MIT同步更新的中文本土化 积木式在线App开发平台! © 2023 - document.write(new Date().getFullYear()); 跟着学(上海)教育科技有限公司 版权所有,未经书面许可,不得转载或使用 《隐私政策...
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MongoDb query condition on comparing 2 fields

...can use a $where. Just be aware it will be fairly slow (has to execute Javascript code on every record) so combine with indexed queries if you can. db.T.find( { $where: function() { return this.Grade1 > this.Grade2 } } ); or more compact: db.T.find( { $where : "this.Grade1 > this.Grade2" } );...
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Xcode source automatic formatting

... set the options the way you like them. You can then add this custom user script to uncrustify the selected text: #! /bin/sh # # uncrustify! echo -n "%%%{PBXSelection}%%%" /usr/local/bin/uncrustify -q -c /usr/local/share/uncrustify/geo_uncrustify.cfg -l oc+ <&0 echo -n "%%%{PBXSelection}%%%...
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What techniques can be used to speed up C++ compilation times?

... on length You can run the regular nm command and pipe it to your favorite script (AWK, Python, etc.) to sort the symbols based on their length. Based on our experience, this method identifies the largest trouble making candidates better than method 1. Method 3 - Use Templight "Templight is a Clang-...
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.c vs .cc vs. .cpp vs .hpp vs .h vs .cxx [duplicate]

I used to think that it used to be that: 6 Answers 6 ...
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“unary operator expected” error in Bash if condition

... Someone bequeathed this bug to me in a build script. Saved me some time, thanks! – Kyle Aug 1 '18 at 19:05 add a comment  |  ...