[Solved] File not found Error in reading text in python [duplicate]

[ad_1] Replace fileref = open(“H:\CloudandBigData\finalproj\BeautifulSoup\twitter.txt”,”r”) with fileref = open(r”H:\CloudandBigData\finalproj\BeautifulSoup\twitter.txt”,”r”) Here, I have created a raw string (r””). This will cause things like “\t” to not be interpreted as a tab character. Another way to do it without a raw string is fileref = open(“H:\\CloudandBigData\\finalproj\\BeautifulSoup\\twitter.txt”,”r”) This escapes the backslashes (i.e. “\\” => \). An even better … Read more

[Solved] How to select a date using regex [closed]

[ad_1] The .* will match everything after the :, including the space and the time. To get just the date, be more specific than a wildcard that matches any character. Use this pattern: #(\d{2}/\d{2}/\d{4})# Capture group #1 will contain the date. You tagged it as only regex and not php, but in PHP that would … Read more

[Solved] I want to fetch data from table and append column name code to the value as key value pair. How to achieve this in SQL?

[ad_1] You can achieve it like following. SELECT ‘8=’ + CAST([8_length] AS VARCHAR(10)) AS [8_length] FROM [Your_Table] Note: If the column type is already VARCHAR, in that case you don’t need to use CAST [ad_2] solved I want to fetch data from table and append column name code to the value as key value pair. … Read more

[Solved] How to put positive numbers to Scanner and then stop it by entering negative one?

[ad_1] Hope this helps. Code can be improved with exceptions checks. This one is just to get started with. package com.samples; import java.util.Scanner; public class ScannerSample { public static void main(String [] args) { Scanner scanner = new Scanner(System.in); int [] mas = new int[50]; int inputInt = scanner.nextInt(); mas[0] = inputInt; int count = … Read more

[Solved] Look for a word of column 1 and then search that word in another column of another excel sheet and use the adjacent information to fill the cell

[ad_1] Look for a word of column 1 and then search that word in another column of another excel sheet and use the adjacent information to fill the cell [ad_2] solved Look for a word of column 1 and then search that word in another column of another excel sheet and use the adjacent information … Read more

[Solved] T-SQL (Un)Pivot Table

[ad_1] I usually use dynamic sql. Something like this create table #T ( ID int, aText1 varchar(4), aText2 varchar(4), aInt1 int, aInt2 int ) insert into #T select 1, ‘ABC1’, ‘XYZ1’, 2, 20 union select 2, ‘ABC1’, ‘XYZ2’, 3, 25 union select 3, ‘ABC2’, ‘XYZ2’, 1, 30 union select 4, ‘ABC2’, ‘XYZ1’, 4, 35 declare … Read more

[Solved] How can we use html for Django model form?

[ad_1] Yes, you can get a beautiful interface that way, just pass the name you use in the form.py Example: forms.py class NameForm(forms.ModelForm): class Meta: model = MyModel fields = [ “whatever” ] Html Template <form method=”POST”>{% csrf_token %} <input type=”text” name=”whatever” placeholder=”Write whatever”> </form> [ad_2] solved How can we use html for Django model … Read more

[Solved] Item type from a list type c# [closed]

[ad_1] Based on my understanding you want to check if the type is a list and if the list’s elements is type X. You can do the following: var type = (new List<int>()).GetType(); if (type.GetInterface(“IList”) != null && type.IsGenericType && type.GenericTypeArguments.Length == 1 && type.GenericTypeArguments[0] == typeof(int)) Console.WriteLine(true); //Outputs True 3 [ad_2] solved Item type … Read more

[Solved] Group Similar nodes in XML using XLST

[ad_1] This is a pretty straightforward grouping problem. If you’re limited to XSLT 1.0, you need to use Muenchian Grouping. If you’re using XSLT 2.0+, you can use xsl:for-each-group. Examples… XSLT 1.0 <xsl:stylesheet version=”1.0″ xmlns:xsl=”http://www.w3.org/1999/XSL/Transform”> <xsl:output indent=”yes”/> <xsl:strip-space elements=”*”/> <xsl:key name=”class” match=”text” use=”substring-before(substring-after(normalize-space(@class), ‘ ‘),’ ‘)”/> <!–identity template–> <xsl:template match=”@*|node()”> <xsl:copy> <xsl:apply-templates select=”@*|node()”/> </xsl:copy> </xsl:template> … Read more

[Solved] Time Complexity of Binary Search?

[ad_1] With binary search you typically search in a sorted random access data structure like an array, by discarding half of the array with each comparison. Hence, in k steps you effectively cover 2^k entries. This yields a complexity of at most log2(n) of n elements. With landau symbols, the base of the logarithm disappears … Read more