Month: November 2022

[Solved] JavaScript – how to remove `options` by its `value`

by

<select class=”fruits” > <option value=”1″ >Oranges</option> <option value=”2″ >Bananas</option> <option value=”3″ >Apples</option> </select> <script type=”text/javascript”> var valueToRemove = 1; var select = document.getElementsByClassName(‘fruits’); for(var i = 0; i < select[0].length; i++) { if(select[0][i].value == valueToRemove) { select[0][i].remove(); } } </script> Edit: <select class=”fruits” > <option value=”1″>Oranges</option> <option value=”2″>Bananas</option> <option value=”3″>Apples</option> </select> <br> <label>Input value to … Read more

[Solved] Issues with my login [closed]

by

Go to your common.php file. $username = “dbusername”; $password = “dbpassword”; Change above 2 lines with your host’s username and password. Most likely: $username = “root”; $password = “”; or, may be you are using your localhost settings on a remote web server. Change below lines with respective details. $username = “dbusername”; $password = “dbpassword”; … Read more

[Solved] iOS App development [closed]

by

Learning Objective-C is an absolute minimum for iOS development. You really will be needing a Mac to develop on, but if you want to learn Objective-C before picking up a Mac then install a copy of Linux; gcc will compile Objective-C. Once you have a Mac you’ll have free access to XCode, which includes amongst … Read more

[Solved] Placing an Picture in ImageView selected from Gallery

by

How to place an image into ImageView from Gallery private int PICK_IMAGE_REQUEST = 1; private void openGallery() { tvGallery.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { Intent intent = new Intent(); // Show only images, no videos or anything else intent.setType(“image/*”); intent.setAction(Intent.ACTION_GET_CONTENT); // Always show the chooser (if there are multiple options available) startActivityForResult(Intent.createChooser(intent, … Read more

[Solved] Get the SUM of array (C++)

by

I rewritten your code, removed global variables, changed formatting for easier reading, rename some variables to more explain for what they are and add function prototypes. Hope this will help you a little. There are still lot of places which should be changed, but i want to keep as close to your original code as … Read more

[Solved] Convert array of paths into a Tree in JavaScript [closed]

by

First, here’s the solution based on this answer: https://stackoverflow.com/a/57344801/3807365. Explanation below. const paths = [“src”, “src/components”, “src/components/index.ts”, “src/utils”, “src/configuration/config.ts”, “another/file.ts”]; let agg = { temp: [] }; paths.forEach(path => { path.split(“https://stackoverflow.com/”).reduce((agg, part, level, parts) => { if (!agg[part]) { agg[part] = { temp: [] }; agg.temp.push({ id: parts.slice(0, level + 1).join(“https://stackoverflow.com/”), level: level + 1, … Read more

[Solved] Find if last two characters in filename are numbers [closed]

by

This should do the trick. <?php $filename = “http://www.nws.noaa.gov/weather/images/fcicons/skc23.jpg”; $posOfPeriod = strrpos($filename, “.”); $last2digits = substr($filename, $posOfPeriod -2, 2); if (is_numeric($last2digits)) { echo “Numeric: “.$last2digits; } else { echo “Non-Numeric: “.$last2digits; } ?> 4 solved Find if last two characters in filename are numbers [closed]

[Solved] Using IF statements with multiple conditions

by

I suppose you could use delayed expansion and remove the nested If statements too: @Echo Off SetLocal EnableDelayedExpansion Set “i=” For /F “Delims=” %%A In (‘Where .:???.mp3 2^>Nul’)Do ( If 1%%~nA Gtr 1000 Set “i=1” If 1%%~nA Gtr 1003 Set “i=2” If 1%%~nA Gtr 1006 Set “i=3” If 1%%~nA Gtr 1020 Set “i=4” If 1%%~nA … Read more

[Solved] Compare two lists value-wise in Python [closed]

by

Suppose we have 2 list x = [‘3’, ‘1’] y = [‘1’, ‘3’] Solution-1: You can simply check whether the multisets with the elements of x and y are equal: import collections collections.Counter(x) == collections.Counter(y) This requires the elements to be hashable; runtime will be in O(n), where n is the size of the lists. … Read more

[Solved] Using zip_longest on unequal lists but repeat the last entry instead of returning None

by

itertools.izip_longest takes an optional fillvalue argument that provides the value that is used after the shorter list has been exhausted. fillvalue defaults to None, giving the behaviour you show in your question, but you can specify a different value to get the behaviour you want: fill = a[-1] if (len(a) < len(b)) else b[-1] for … Read more

[Solved] What is a vector of vector of point? [closed]

by

A vector is a templated class that can store anything that you ask it to store when you defined it. For example: vector<int> // vector that will store any number of integers vector<double> // vector of double precision floating points vector<string> // vector of strings vector<T> // vector of Ts, being understood that T is … Read more