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Difference between app.use and app.get in express.js

... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csv
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从源代码剖析Mahout推荐引擎 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...throws IOException, TasteException { String file = "datafile/item.csv"; DataModel model = new FileDataModel(new File(file)); UserSimilarity user = new EuclideanDistanceSimilarity(model); NearestNUserNeighborhood neighbor = new NearestNUserNeighborhood(NEIGHBORHOOD...
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Best way to check if object exists in Entity Framework?

... and trimmed to keep its length manageable). Note that the raw data was a CSV file that contained many individual records that had to be parsed. The records in each consecutive file (which came at a rate of about 1 every 5 minutes) overlapped considerably, hence the high percentage of duplicates. ...
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How can I use pickle to save a dict?

...unserialized_data = mpu.io.read('filename.pickle') Alternative Formats CSV: Super simple format (read & write) JSON: Nice for writing human-readable data; VERY commonly used (read & write) YAML: YAML is a superset of JSON, but easier to read (read & write, comparison of JSON and YAML...
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一文讲透区块链技术原理 - 资讯 - 清泛网 - 专注C/C++及内核技术

...,增加了技术的实用性。 一个脚本本质上是众多指令的列表,这些指令记录在每一次的价值交换活动中,价值交换活动的接收者(价值的持有人)如何获得这些价值,以及花费掉自己曾收到的留存价值需要满足哪些附加条件。...
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Pandas - Get first row value of a given column

... I'm looping through a bunch of .csv files and reading the first value of a certain column in each. For some reason which I can't explain instead of returning the value this sometimes returns the index along with the value which messes up processing. I resor...
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Getting the location from an IP address [duplicate]

... I'm after and you can get it to return in multiple formats, json, xml and csv. $location = file_get_contents('http://freegeoip.net/json/'.$_SERVER['REMOTE_ADDR']); print_r($location); This will give you all of the things you could possibly want: { "ip": "77.99.179.98", "country_co...
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Why are empty strings returned in split() results?

...isely maps the semantics of all kinds of delimiter-joined records (such as csv file lines [[net of quoting issues]], lines from /etc/group in Unix, and so on), it allows (as @Roman's answer mentioned) easy checks for (e.g.) absolute vs relative paths (in file paths and URLs), and so forth. Another ...
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Difference between \n and \r?

...ere still some applications using \r - e.g. MS Office 2011 Excel: Saving a CSV (with all default settings) - will save an ISO-8859-1 encoded file with \r-line endings. – CodeBrauer Jul 11 '17 at 12:48 ...
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Get size of all tables in database

... You can also export the list in a CSV file by using an utility like NirSoft SysExporter: nirsoft.net/utils/sysexp.html – Max May 28 at 15:44 ...