64,152 Solved Topics
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| | I try to remove the last character from a string with Japanese text and emojis using this code: <?php $text = "私の名前はダバーです👩🚀"; $new_text = substr($text, 0, strlen($text) - 1); echo $new_text; The output breaks the characters and shows garbage. How do I fix this? |
| | Hi everyone. I am just learning Python on class so I am really at the basic. I need to write a python program that will flip a coin 100 times and then tell how many times tails and heads were flipped. This is what I have so far but I …  |
 | Hi DW, I'm trying to mark attendance register which has the date for which that register is being marked for as well as the date which the register is actually marked on. For Date as well as Marked Date. I also have two time picker textboxs which one is for …  |
| | How can I identify and delete unused MySQL indexes? I have a large table that has somehow accumulated way too many indexes over the years, and I'd now like to identify and delete indexes that are no longer used by the application. |
| | I have tried to read https://www.daniweb.com/programming/web-development/threads/386380/cannot-run-exe-files-in-asp-net-application but still lost in trying to achieve something. I installed the latest .net framework, and IIS on the latest updated windows 11. I wish to achieve the following: Have a webpage with a button, when pressed, it will launch a webpage that runs a … |
| | Hello clever people, Completely new to VB.NET (only installed Visual Studio 2019 in the past couple of days). To start all I want to do is open Excel (office 365) from a button on a userform. The location of the file is on a network, lets say: - \\file-svr01\Rozel\Design\Parts\PNG.xlsx OR … |
| | Hello There, I am looking for MUI React-based admin template in the TypeScript version for my project. Can you guys suggest some React Admin templates that are comprehensive and easy to use? I really appreciate any help you can provide.! |
| | Support for the apple developer enterprise account is required for a long time. Because customers need to distribute the app privately within their company, only an in-house certificate can do this. If you have one, please leave me a message |
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| | I ran into a bit of a snag in my code, and I'm trying to make heads or tails as to whether this will work. From within my PHP script, can I write to a database using a MySQL connection in the middle of a transaction with a different connection? … |
| | Hi Dw, I want to get the keys and data of the php json response, heres the response I get {"content":{"1":{"title":"Present","start":"2025,01,29","end":"2025,01,29","backgroundColor":"#f39c12","borderColor":"#f39c12"}}} all I'm interested in starts from title. |
| | Hi DW, I'm trying to get selected option id, the problem with my code is that it is only showing or returning the id of the first select only even if I click other options it doesn't return them. Heres my code var xid = $('#managsel option:selected').attr('id'); alert("The id is: …  |
 | Hello friends, it's been some times since I've posted here, but this community has always been my "I really need help" place to go. Lets get to the idea... I have a WordPress (dislike WP very much) site I'm customizing. Have a popup iFrame on click that is built into … |
 | A script that was working fine on 100 records per batch choked when I fed it 1,000 records. It gave: mysql.connector.errors.OperationalError: 1040 (08004): Too many connections So I went ahead and made sure to connect.close() everywhere that I opened a connection, and the script made it much further but eventually … |
| | So i'd like to have a **text** saying [Location] which will be shown and changed based on the viewer's location/ip. I tried to follow this video here https://www.youtube.com/watch?v=1KiGKd2XXL4 but i didn't manage to make it to work. I registered on 2 websites to get an API key which i placed … |
| | Hello DaniWeb community. I haven't been on the site in quite some time - it's so intense now that I almost feel a bit silly for asking a simple question but here goes. I have a personal account set up with Microsoft 365 and all is well for the most … |
 | Is there any method in java to generate random number (integer, byte or float) ? Please tell me if any i need it in my program. If possible please give full example. Thanks!  |
| | Hello Gang! I'm grateful once again for the advice to use MySQL over Postgres. It's been a pretty smooth experience so far. Unfortunately I had to migrate to a different host and have been getting an undefined variable error. Mysql is Running. I used the package manager to get python-mysql.connector … |
| | I had a difficult time figuring out how to get or test the last character of a string with javascript, so figured I would post it once I found out in case it helps someone else. I found plenty of removing the last character, but not for just checking what … |
| | Hi, Am using VB.NET. I have a search page in one form(Search.vb) and another form(Form1.vb) to display the details of selected data from the search form. I already have back button in Form1.vb which returns to some other form say (Action.vb). In case of searching data it returns to Form1 … |
| | Recently made a decision for an app I'm working on to accumulate data in batches AND THEN to insert it into the database with one statement rather than adding 1,000 records through one thousand separate inserts. Is this done better through file or memory? If I write the segments of …  |
| | Hi.. I've to remove a very long path. I've written the below to try that but its giving WindowsError: [Error 206] (I've pasted it below). I've prepended "\\?\" to the actual path but still I'm getting the exception. Please let me know the solution... ++++ import os import shutil os.rmdir(os.path.realpath(r"\\?\D:\Kamesh\test-1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950\test-1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950\kkkkkkkkkkkkkkkkkkkkkkkkk\kllkppppppppppppp\long_path_test")) … |
| | Hey, im having a problem retrieving information about some files due to the fact either the file name or the extension is too long. For example i want to retrieve the size of a file only i call [CODE=Python]os.path.getsize("somelongfilename.txt")[/CODE] Note that it may not be a .txt extension, but it …  |
| | I want to learn ethical hacking anyone's here to help me?  |
 | Does all .apk files can be decompiled no matter on how they are protected and secured, and recompile back in apk file? I have an apk file which i need the source code to change something a little bit. I tried using [javadecompilers](http://www.javadecompilers.com) but i did not get the main … |
| | I was consistently receiving MySQL "Packets out of order" error messages when attempting to connect to MySQL, mostly on my AJAX pages, but I couldn't attribute it to anything or reproduce it in any way. I did notice, however, that when switching MySQL persistent connections from on to off, the … |
| | Hello, I would like to wrap (surround) all words "flyer" (case insensitive) in the HTML text content, not those in the link. My RegEx works fine on Regex101: https://regex101.com/r/NVmXd1/1 Attached, my HTML file to test my (non working) JS RegEx. Thank you and regards. |
| | I want to display different html tags on the php page they are visiting, for example on the homepage and the computer shop basildon page I want the html tag `<section class="testimonal-two pt-0">` and on all other pages I want the code `<section class="testimonal-two">` Below is the code I have … |
| | What are some ways to improve MySQL performance on queries against large tables that include the HAVING BY clause. It's my understanding that anything in there doesn't benefit from table indexes. |
| | Hello everyone i want to disable the automatic swipe effect on my product page on this site https://kupisi.mk the lib is called lightgallery i am not able to find the line of code to turn it off for 2 days i need fresh pair of eyes !! :S i made … |
 | I have problem with this htaccess in STATIC URL RewriteEngine On RewriteRule ^readlex/(.*)$/?$ readlex.php?slug=$1 [NC,L] **DINAMIC URL** work fine only with defined CONSTANT: Example <a href="<?php echo BASE_URL.READ_LEX ?>Le-mura-di-Lucca">Lucca</a> Result = localhost/mysite/readlex/Le-mura-di-Lucca **STATIC URL** not work (??) <a href="localhost/mysite/readlex.php?slug=Le-mura-di-Lucca">Lucca</a> Result = localhost/mysite/readlex.php?slug=Le-mura-di-Lucca">Lucca ***Unfortunately I can't insert the php CONSTANTS in … |
| | I am trying to extract three values from the td tags in an html downloaded file. <tr align="right"><td>236</td><td>Roy</td><td>Allyson</td> <tr align="right"><td>237</td><td>Marvin</td><td>Pamela</td> <tr align="right"><td>238</td><td>Micah</td><td>Kristine</td> <tr align="right"><td>239</td><td>Collin</td><td>Raquel</td> I am using the pattern match = re.findall(r'<td.?>([\d+])([.?])*<\/td>', file) The file is created with a read() statement. The output should look like (236, "Roy", "Allyson") (237, … |
| | I am trying to extract three values from the td tags in an html downloaded file. <tr align="right"><td>236</td><td>Roy</td><td>Allyson</td> <tr align="right"><td>237</td><td>Marvin</td><td>Pamela</td> <tr align="right"><td>238</td><td>Micah</td><td>Kristine</td> <tr align="right"><td>239</td><td>Collin</td><td>Raquel</td> I am using the pattern match = re.findall(r'<td.*?>([\d+])([.*?])*<\/td>', file) The file is created with a read() statement. The output should look like (236, "Roy", "Allyson") (237, … |
| | I'll admit that I have an opinion about this. Is the point of professional coding to write creative software or to write software that adheres closely to standards? Programming agile-development python |
| | Hey Gang! OK today I am having trouble with my transaction processing application implemented in python/MySQL. Here is some "working" testing code. import psycopg2 from psycopg2 import Error import binascii from binascii import unhexlify import mysql.connector as mysql sql='''CREATE PROCEDURE testprocedure(OUT tacos INT) BEGIN show tables; SET tacos := 1 … |
| | Ashamedly, I'm a jQuery user with very weak Javascript skills. However, I noticed that Google Chrome DevTools console is giving me the following warning: > Listener added for a synchronous 'DOMNodeRemoved' DOM Mutation Event. This event type is deprecated (https://w3c.github.io/uievents/#legacy-event-types) and work is underway to remove it from this browser. … |
| | Hey! I've been asked to store some data from a client in mysql in an encoded format using python. Nothing could be easier, right? I will later need to decode the same data using mysql exclusively. Given that constraint, I thought that base64 would be the go to since nearly … |
 | i have tried several ways, but i always get an overflow error :( how can i combine the ARGB color elements? Public Function ARGB(ByVal alpha As Byte, ByVal red As Byte, ByVal green As Byte, ByVal blue As Byte) As Long Dim color As Variant color = CDec(alpha) * 256 … |
 | Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException: Cannot invoke "java.net.URL.toExternalForm()" because "location" is null. The error is from this line of code: home.addItem(new ModelItem(ID++, "Original Nuggets Meal", "", 90, "KFC", new ImageIcon(getClass().getResource("icon/img2.png")))); i use the correct folder as it is in a package in the same source of the file. please help! Programming java |
 | I have heard a lot of interviews ask this question on Hoisting in JavaScript. What is this hoisting in JavaScript? Is it the same as hosting? It would be kind if someone could help me with their knowledge.  |
| | The new robots.txt tester that is now built into Google Search Console is finding errors with the last two rows of my robots.txt file: Sitemap: https://www.daniweb.com/latest-sitemap.xml Sitemap: https://www.daniweb.com/sitemap.xml The error is: *Invalid sitemap URL detected; syntax not understood* Any idea what could be wrong here? |
| | I have a two-step login form. In the first step, I have "username" as "id" and "name" of the text input. I also have "password" as id and "name" of the second input field, where the user is prompted to enter username and password. In the second step, I have … |
 | Hello all. I'm relatively new to libcurl C++, and I have been hopelessly stuck. Bit of a background for this app. It is very legacy, having been made in the early 2000s. LPSTRs abound. It looks in FTPs for files from suppliers (who have an SFTP they interact with and … |
| | More programming fun! OK this time around I'm trying to create a table with the statement, CREATE TABLE tablename ( recnumber SERIAL PRIMARY KEY, recordvalues VARCHAR ( 500 ) NOT NULL, datecreated DATE ) And it basically works, and I can add records using the dba account. However when I … |
| | Hello, I do not understand why the simplehtmldom is failing. This is the code: <?php ini_set('display_errors',1); ini_set('display_startup_errors',1); error_reporting(E_ALL); //--- include_once('simplehtmldom_1_9_1/simple_html_dom.php'); //--- $url = "https://victoriousseo.com/sitemap_index.xml"; $html = new simple_html_dom(); $html->load_file($url); //-- foreach($html->find("a") as $link) { echo $link->href."< br />"; } ?> I got the simplehtmldom.php on the same directory as the … |
| | How do I create a table in postgres that's associated with a specific database? Obviously from the command line one can do Create table tablename (); But how do I make sure that the table is associated with the correct database? CREATE table dbname.tablename(); is giving me the error: ERROR: … |
| | Hello What is wrong in the form validation. It always give me -> not OK -> red color I hope someone can help me with this. Thanks in advance. Best regard. <html> <head> <style> .error { font-family: Tahoma; font-size: 8pt; color: #FFFFFF; padding: 2px 172px 2px 172px; background-color: #FF0000; display:none; … |
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| | heyy guys.. m implementing PEER TO PEER FILE TRANSFER.. What protocol should I use? TCP or UDP? And why? |
| | I have been using Game Maker for a few months now but want to go a bit more advance. Where can i get some nice looking textures? Oh and if you know a profesional, rather easy to use, free game engine. Please list it and where i can download it. …  |
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