[Solved] How to Merge CSV Files in PHP, Line by Line

[ad_1] Try this php code (gets the lines with file()).: <?php $csv1 = file(‘csv1.csv’, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); $csv2 = file(‘csv2.csv’, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); $csv3 = file(‘csv3.csv’, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES); $lines = max(count($csv1), count($csv2), count($csv3)); $finalcsv = array(); for($i=0; $i<$lines; $i++) { if(isset($csv1[$i])) $finalcsv[] = $csv1[$i]; if(isset($csv2[$i])) $finalcsv[] = $csv2[$i]; if(isset($csv3[$i])) $finalcsv[] = $csv3[$i]; } file_put_contents(‘final_data.csv’, … Read more

[Solved] is there an alternative to javascript for accessing the DOM API? [duplicate]

[ad_1] You have alternatives like Dart, LiveScript, Typescript, Babel and Coffeescript, yet these will be compiled/translated to native Javascript. The reason there is no real alternative is the fact that it is the only standard that is being implemented by all major browser “companies”. 2 [ad_2] solved is there an alternative to javascript for accessing … Read more

[Solved] android while loop alternative

[ad_1] running while loop codes on the main thread freezes the UI, and makes all other processes pause making your app unresponsive use Threads.. also note that the while loop you are running is running on a default Thread termed as the ui thread so in short run while loops on separate threads.. eg.. new … Read more

[Solved] Once in a while, axios http long polling not returning at all

[ad_1] The problem was caused by occasional network issues. I solved it by Adding a timeout to axios calls; for example: axios.get(url, {timeout: 18000}) for 18 seconds timeout. This is the main solution. Keeping a timestamp of when the last http request was started and check it regularly with setInterval(). If it was not tolerable, … Read more

[Solved] C# How to have it read words and output results [closed]

[ad_1] I totally agree with the other answers and comments, but for convenience here is the code public class Program { public static void Main() { Console.WriteLine(“Who is the best?”); var answer = Console.ReadLine(); if (answer.Equals(“tim”)){ Console.WriteLine(“You’re right!”) } else { Console.WriteLine(“Wrong!”) } } } 1 [ad_2] solved C# How to have it read words … Read more

[Solved] Why does list.insert[-1] not work in python?

[ad_1] Say you have some_list = [1, 2, 3] and you do some_list.insert(-1, 4) You might think, “okay, -1 means the last index, so it’ll insert 4 at the last index”. But the last index is index 2, over here: [1, 2, 3] # ^ It’ll insert 4 at that index, producing [1, 2, 4, … Read more

[Solved] Creating a class with all of my functions in java

[ad_1] @Quincunx’s answer in the comments is correct, but writing whole programs like this violates all sorts of OO principles, and it’s not a good idea for readability, maintainability, etc. You probably want to go back and read some basic Java tutorials. For example, to use a method outside of the class that declares it, … Read more

[Solved] How to analyse a coredump file of GDB [closed]

[ad_1] GDB can get you started: $ gdb –help This is the GNU debugger. Usage: gdb [options] [executable-file [core-file or process-id]] gdb [options] –args executable-file [inferior-arguments …] [snip extended docs] So, you’ll invoke it like this: gdb myprog core GDB will then start in the usual way, but the state will be as if you’d … Read more