Month: March 2023

[Solved] Better way of replacing subtring from a string [duplicate]

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When manipulating structures such as URLs it’s better to use tools designed for the purpose rather than treating them as strings. In this case you want to change the host (netloc) to www.site2.com So… from urllib.parse import urlparse, urlunparse new_site=”www.site2.com” url=”https://www.site1.com//vehicles/2023/Ford/F-150/Calgary/AB/57506598/?sale_class=New” scheme, _, path, params, query, fragment = urlparse(url) new_url = urlunparse((scheme, new_site, path.replace(‘//’, “https://stackoverflow.com/”), … Read more

[Solved] C++ generate random numbers for a given seed [closed]

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According to the documentation (which you really should read!): Returns a pseudo-random integral value between ​0​ and RAND_MAX Where RAND_MAX is implementation defined, but is guaranteed to be at least 32767. In fact, it often is 32767, and that appears to apply to you. The documentation also states: rand() is not recommended for serious random-number … Read more

[Solved] Single result from database using mysqli

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When just a single result is needed, then no loop should be used. Just fetch the row right away. In case you need to fetch the entire row into associative array: $row = $result->fetch_assoc(); in case you need just a single value $row = $result->fetch_row(); $value = $row[0] ?? false; The last example will return … Read more

[Solved] How to rotate xticklabels in a seaborn catplot

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The correct way to set the xticklabels for sns.catplot, according to the documentation, is with the .set_xticklabels method (.e.g. g.set_xticklabels(rotation=30)). Using a loop to iterate through the Axes, should be used if changes need to be made on a plot by plot basis, within the FacetGrid. Building structured multi-plot grids seaborn.FacetGrid g or in the … Read more

[Solved] Ways to circumvent the same-origin policy

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The document.domain method Method type: iframe. Note that this is an iframe method that sets the value of document.domain to a suffix of the current domain. If it does so, the shorter domain is used for subsequent origin checks. For example, assume a script in the document at http://store.company.com/dir/other.html executes the following statement: document.domain = … Read more

[Solved] console.log() shows the changed value of a variable before the value actually changes

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Pointy’s answer has good information, but it’s not the correct answer for this question. The behavior described by the OP is part of a bug that was first reported in March 2010, patched for Webkit in August 2012, but as of this writing is not yet integrated into Google Chrome. The behavior hinges upon whether … Read more

[Solved] What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?

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Your first port of call should be the documentation which explains it reasonably clearly: Thrown to indicate that an array has been accessed with an illegal index. The index is either negative or greater than or equal to the size of the array. So for example: int[] array = new int[5]; int boom = array[10]; … Read more

[Solved] All combination with JS [closed]

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So you want to generate all permutations from size = 1 to size = N? Stack Overflow user Andy Carson has created a JavaScript library with a permutation generator function that lets you specify size. See: GitHub / acarl005 / Generatorics // Adapted from: https://stackoverflow.com/a/41232141/1762224 // Uses: https://github.com/acarl005/generatorics const allPermutations = (arr) => Array.from({ length: … Read more

[Solved] Creating HTML table with php output

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Your issues lies in your formatting and confusion between the use of the echo command and non PHP wrapped HTML. Code should read as follows when properly formatted. <?php $db_host = “localhost”; $db_username = “vistor”; $db_pass = “visitor”; $db_name = “test”; $db = new PDO(‘mysql:host=”.$db_host.”;dbname=”.$db_name,$db_username,$db_pass); $db->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_WARNING); $query = $db->query(“SELECT * FROM pet’); ?> <html> … Read more