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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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BLE（一）概述&工作流程&常见问题 - 创客硬件开发 - 清泛IT社区，...
...。
还有一种形式的DOS攻击，快速不断的给远端蓝牙发送文件，而远端设备被大量的是否要接收该文件的命令冲击直到瘫痪。
0x32 针对蓝牙实现过程发起的攻击1. Bluesnarfing蓝牙定义了OBEX协议，这个协议的主要目的是实现数据对...
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("^\\...
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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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...
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...
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 >(head -n1 | sed 's/$/*2/' >&3; cat >/dev/null) | tail -n+2 | awk '{print $1*2}'; } 3>&1
N*2
2
4
6
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