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拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...十亿人的痛点。但在我内心，有一份让我激情澎湃的事物列表。
每一天醒来，我都对这些目标有点小担心。但我还是会努力推着自己一小步一小步地向目标前进。我知道，这就意味着我在学习和进步。
有时我会进步，有时也...
创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...将整个产品设计成产品backlog。产品backlog就是一个个需求列表。（backlog可以理解为需求或者要做的事情）
2、召开产品backlog计划会议，预估每个backlog的时间，确定哪些backlog是需要在第一个sprint中完成的，即sprint的backlog。（sprin...
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.
...
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...
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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What parameters should I use in a Google Maps URL to go to a lat-lon?
...le times.
via=
Allows you to insert via points in directions. Must be in CSV format. For example, via=1,5 addresses 1 and 5 will be via points without entries in the sidebar. The start point (which is set as 0), and 2, 3 and 4 will all show full addresses.
doflg=
Changes the units used to measur...