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Define variable to use with IN operator (T-SQL)
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There are two ways to tackle dynamic csv lists for TSQL queries:
1) Using an inner select
SELECT * FROM myTable WHERE myColumn in (SELECT id FROM myIdTable WHERE id > 10)
2) Using dynamically concatenated TSQL
DECLARE @sql varchar(max)
declare @list va...
Eclipse count lines of code
...the Eclipse Metrics Plugin. To create a HTML report (with optional XML and CSV) right-click a project -> Export -> Other -> Metrics.
You can adjust the Lines of Code metrics by ignoring blank and comment-only lines or exclude Javadoc if you want. To do this check the tab at Preferences -&g...
Remove duplicated rows
I have read a CSV file into an R data.frame. Some of the rows have the same element in one of the columns. I would like to remove rows that are duplicates in that column. For example:
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How to split a comma-separated string?
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A comma delimited file (csv) might have a a comma in quotes, meaning it's not a delimiter. In this case Split will not work.
– Steven Trigg
Mar 8 '14 at 2:35
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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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如何高效的学习掌握新技术 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...多个项目参考对照。以下就是部分我学习和参考过的项目列表：
emmenko/redux-react-router-async-example · GitHub 一个服务端交互的示例
quangbuule/redux-example · GitHub 一个和Immutable.js整合的示例
Rebuilding HipChat with React.js 一个和我要做项...
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("^\\...
SQL - Update multiple records in one query
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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...
MFC子窗口和父窗口（SetParent,SetOwner） - C/C++ - 清泛网 - 专注C/C++及内核技术
...更加灵活的管理窗口。举个例子：组合框（combobox)的下拉列表框（list box）可以超出组合框的父窗口的客户区，这样有利于显示，因此系统创建该list box的时候，是作为控制台窗口（desktop window）的子窗口，它的父窗口hWndParent是NU...