大约有 3,000 项符合查询结果(耗时:0.0152秒) [XML]

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What is the difference between a web API and a web service?

...s not mean it SOAP base service REST also support Command Separated Value (CSV), JavaScript Object Notation (JSON) and Really Simple Syndication (RSS). – Adiii Aug 12 '17 at 4:03 ...
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How can I trim leading and trailing white space?

...le the trailing white spaces when you read your data file. If you use read.csv or read.table you can set the parameterstrip.white=TRUE. If you want to clean strings afterwards you could use one of these functions: # Returns string without leading white space trim.leading <- function (x) sub("^\\...
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SQL - Update multiple records in one query

... Also, it's a great way to turn a little bit of CSV (or a lot) into a table insert/update/upsert with some minor text editing! – wulftone Dec 8 '16 at 5:23 ...
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Extracting an attribute value with beautifulsoup

... can also use this : import requests from bs4 import BeautifulSoup import csv url = "http://58.68.130.147/" r = requests.get(url) data = r.text soup = BeautifulSoup(data, "html.parser") get_details = soup.find_all("input", attrs={"name":"stainfo"}) for val in get_details: get_val = val["valu...
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C++中智能指针的设计和使用 - C/C++ - 清泛网 - 专注C/C++及内核技术

...。系统就可以回收了。 HasPtr 智能指针的声明如下,保存一个指向U_Ptr对象的指针,U_Ptr对象指向实际的int基础对象,代码如下: #include<iostream> using namespace std; // 定义仅由HasPtr类使用的U_Ptr类,用于封装使用计数和相关...
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How do I use spaces in the Command Prompt?

...\workspace\Map Checker Unit Test\MAP_CHECK_TMP\#Test Case\testcase_results.csv"" -l "C:\Program Files (x86)\Jenkins\workspace\Map Checker Unit Test\MAP_CHECK_TMP" -restore" . can help? – hafizan Jul 7 at 9:04 ...
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Creating a Pandas DataFrame from a Numpy array: How do I specify the index column and column headers

...o a DataFrame is there not some "shortcut"? This is basically the way that csvs are loaded - and can be managed by the default handling for many csv readers. An analogous structure for df's would be useful. – javadba Nov 17 '18 at 20:26 ...
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unix - head AND tail of file

...ine and the rest differently in one pipe, which is useful for working with CSV data: { echo N; seq 3;} | { tee &gt;(head -n1 | sed 's/$/*2/' &gt;&amp;3; cat &gt;/dev/null) | tail -n+2 | awk '{print $1*2}'; } 3&gt;&amp;1 N*2 2 4 6 ...
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Web scraping with Python [closed]

...nload images, creates thumbnails and export the extracted data directly to csv or json. share | improve this answer | follow | ...
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Create a .txt file if doesn't exist, and if it does append a new line

... needed, but how can i make the new content start on a new line? I'm using CSV files. – NiallUK Apr 22 at 14:28 I gues...