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Difference between app.use and app.get in express.js
... brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csv
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...
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
...一的、全新的技术，而是多种现有技术（如加密算法、P2P文件传输等）整合的结果，这些技术与数据库巧妙地组合在一起，形成了一种新的数据记录、传递、存储与呈现的方式。简单的说，区块链技术就是一种大家共同参与记录...
Pandas - Get first row value of a given column
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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...
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...
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 ...
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
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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
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关于php的socket初探 - PHP - 清泛IT论坛，有思想、有深度
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socket起源于Unix，而Unix/Linux基本哲学之一就是“一切皆文件”，都可以用“打开open –> 读写write/read –> 关闭close”模式来操作。我的理解就是Socket就是该模式的一个实现，socket即是一种特殊的文件，一些socket函数就是对其...