Month: November 2022

[Solved] How to insert a character after every n characters in a huge text file using C#? [closed]

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[ad_1] void InsertACharacterNoStringAfterEveryNCharactersInAHugeTextFileUsingCSharp( string inputPath, string outputPath, int blockSize, string separator) { using (var input = File.OpenText(inputPath)) using (var output = File.CreateText(outputPath)) { var buffer = new char[blockSize]; int readCount; while ((readCount = input.ReadBlock(buffer, 0, buffer.Length)) > 0) { output.Write(buffer, 0, readCount); if (readCount == buffer.Length) output.Write(separator); } } } // usage: InsertACharacterNoStringAfterEveryNCharactersInAHugeTextFileUsingCSharp( inputPath, outputPath, … Read more

[Solved] find cities and country name from string

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[ad_1] It all starts from function start() at the bottom. For displaying purpose i’ve used a small dataset but you can require the data from the json file by using const data = require(‘data.json’). I’ve tested for large dataset also, works like a charm. Hope it helps. const data = { “United States”:[ “Washington”,”Bratislava”,”Hard”,”Going”], “Afghanistan”: … Read more

[Solved] How can I improve my form? [closed]

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[ad_1] you can use a trick maybe — insert a text-field, hide it via CSS (the id) and check it MUST BE EMPTY! all the spambots fill the fields with something, so just give it something like a name “address” or something… if the bot fills it out, you can give a error… other hint … Read more

[Solved] Exporting C++ dll to c# [closed]

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[ad_1] [DllImport(@”../data/stasm_dll.dll”)] internal static extern void AsmSearchDll ( [Out] out Int32 pnlandmarks, [Out] out Int32[] landmarks, [In, MarshalAs(UnmanagedType.LPStr)] String image_name, [In, MarshalAs(UnmanagedType.LPStr)] String image_data, [In] Int32 width, [In] Int32 height, [In] Int32 is_color, [In, MarshalAs(UnmanagedType.LPStr)] String conf_file0, [In, MarshalAs(UnmanagedType.LPStr)] String conf_file1 ); IplImage img = cvlib.cvLoadImage(image_name, cvlib.CV_LOAD_IMAGE_COLOR); String imageData = Marshal.PtrToStringAnsi(img.imageData); AsmSearchDll(out nlandmarks, out landmarks, … Read more

[Solved] Java: How to fix ArrayIndexOutOfBoundsException? [closed]

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[ad_1] You are out of array because in for you use i<=s.length but max index of array is s.length-1 But I am interested in this String[] data = new String[(scn.nextLine()).length()]; data = (scn.nextLine()).split(“,”); Why are you creating empty array and then replace it with new one? I think you wanted to create something more like … Read more

[Solved] How to check if a IEnumerable is sorted?

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[ad_1] One example of such method could be: static bool IsSorted<T>(IEnumerable<T> enumerable) where T : IComparable<T> { T prev = default(T); bool prevSet = false; foreach (var item in enumerable) { if (prevSet && (prev == null || prev.CompareTo(item) > 0)) return false; prev = item; prevSet = true; } return true; } Works with … Read more

[Solved] How to specify type of a constexpr function returning a class (without resorting to auto keyword)

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[ad_1] The actual type is hidden as it’s local inside the function, so you can’t explicitly use it. You should however be able to use decltype as in decltype(create<int>()) v = create<int>(); I fail to see a reason to do like this though, when auto works. 1 [ad_2] solved How to specify type of a … Read more

[Solved] Count consecutive spaces(&nbsp) at the start of the string in Python [closed]

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[ad_1] The most pythonic way to do this is the following: def count_start_spaces(s): return len(s) – len(s.lstrip()) Given the following input: strings = [“Test1 False (String 1)”,” Test2 False (String 2)”,” Test3 False (String 3)”] list(map(count_start_space, strings)) # output: [0, 4, 8] 2 [ad_2] solved Count consecutive spaces(&nbsp) at the start of the string in … Read more

[Solved] Click a button using Selenium and Python

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[ad_1] As per the HTML you can use the find_element_by_link_text and invoke click() method as follows : driver.find_element_by_link_text(“Expand all”).click() You can get more granualar with find_element_by_xpath as follows : driver.find_element_by_xpath(“//a[@class=”sectionname” and contains(.,’Expand all’)]”).click() Update As you still don’t see the expansion you can try the Javascript way as follows : myElement = driver.find_element_by_xpath(“//a[@class=”sectionname” and contains(.,’Expand … Read more

[Solved] How many ways to go up a N-step stairs?

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[ad_1] The answer by Code-Apprentice is very good, so I want to contribute a different approach: Writing down the solutions for the first few flight of stairs I quickly noticed a pattern. Let’s see: total steps | steps taken | ways to go up ————x—————x————– 1 | 1 | 1 ————x—————x————– 2 | 2 | … Read more