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JupyterHub Spawn Failed: Server Timedout
Why am I getting the "Spawn Failed: Server at http://127.0.0.1:47353/user/fy icenter/didn't respond in 30 seconds"? If you did not install or configure JupyterHub correctly, you will get the following error after user logs in on the Web interface. Spawn Failed: Server at http://127.0.0.1:47353/user/.. . 2021-09-09, ∼8005🔥, 0💬

Install IPython in Conda Environment
How to install IPython in a Conda environment? If you want to install IPython in a specific Conda environment, you can follow this tutorial. 1. Activate the Conda environment where you want to install IPython. fyicenter$ conda activate faq (faq) fyicenter$ python --version Python 3.9.6 2. Install IP... 2021-11-25, ∼7301🔥, 0💬

Jupyter - Frequently Asked Questions
Where to find tutorials on Jupyter? Here is a large collection of tutorials to answer many frequently asked questions compiled by FYIcenter.com team about Jupyter: Introduction to Jupyter What Is Jupyter Jupyter Notebook File What Is JupyterHub Using Public Free Jupyter Server Public Jupyter Server ... 2021-08-24, ∼5975🔥, 0💬

MySQL auto_increment - start value and increment value
How to set column to be AUTO_INCREMENT in MySQL? And how to set its start value and increment value? 1. If you want to create a table with a primary key column in MySQL and want to have it automatically increase it's value, you follow the following example CREATE TABLE statement: CREATE TABLE MyTabl... 2016-08-30, ∼4840🔥, 1💬

Jupyter Notebook Configuration JSON File
What Is Jupyter Notebook Configuration JSON File? Jupyter Notebook Configuration JSON File is a configuration file in JSON format. You can use it to store "jupyter notebook" command options. The default location of Jupyter Notebook Configuration JSON File is ~/.jupyter/jupyter_notebook_co nfig.jsonH... 2021-11-12, ∼4703🔥, 0💬

Jupyter Notebook Configuration Python File
What Is Jupyter Notebook Configuration Python File? Jupyter Notebook Configuration Python File is a configuration file in Python code format. You can use it to store "jupyter notebook" command options. The default location of Jupyter Notebook Configuration Python File is ~/.jupyter/jupyter_notebook_.. . 2021-11-12, ∼4150🔥, 0💬

How to short URL Function with PHP ?
Useful PHP Code Snippets for Developers - How to short URL Function with PHP 45){ $length = $length - 30; $first = substr($url, 0, -$length); $last = substr($url, -15); $new = $first."[ ... ]".$last; return $new; }else{ return $url; } } ?> // USAGE <?php $longurl= "http://www.google.com/search? q=... 2015-06-19, ∼3503🔥, 0💬

MD5 Hash Function in PHP
How to calculate the MD5 hash of a string in PHP? You can use the following md5() function to calculate the MD5 hash of a string using the MD5 Message-Digest Algorithm. string md5 ( string $str [, bool $raw_output = false ] ) str - The input string. raw_output - If TRUE, then the md5 digest is inste... 2015-11-23, ∼3465🔥, 2💬

💬 2015-08-15 Julie: Here is a source code of JavaScript MD5 Function . Enjoy!

💬 2015-05-26 Erik: What about JavaScript?

JavaScript Implementation of MD5 Function
Where can I find a JavaScript implementation of MD5 function? Here is a nice implementation of md5() function in JavaScript: function md5(str) { // discuss at: http://phpjs.org/functions/md5 /// original by: Webtoolkit.info (http://www.webtoolkit.info/) // improved by: Michael White (http://getsprin... 2015-11-23, ∼3285🔥, 0💬

Insert JavaScript in XSLT Document
How to insert JavaScript code in XSLT and to be generated in the output in XML format? Inserting JavaScript code in XSLT and keep it in the XML output correctly is a very challenging task: You need to find a way to enter and protect special characters like, &lt;, &gt; and &amp; in the in... 2015-10-26, ∼2924🔥, 0💬

The Real Way To Check Uploaded File Type
Useful PHP Code Snippets for Developers - The Real Way To Check Uploaded File Type &lt;?php // Here we specify all the type of files we want to accept $extension = array("application/pdf", "image/jpeg", "image/png", "image/gif"); if(isset($_POST['submit'])){ exec("file -i ".$_FILES['inputName'][... 2015-07-01, ∼2875🔥, 0💬

SQL Server Query with Percentage of Two Aggregated Values
How to write a single query to perform search based on a percentage criteria of two aggregated values? For example, I have multiple pools of registration numbers in SQL Server database. Each registration number has a status of "Available" or "Registered". And I want to write a single query to find a... 2016-06-12, ∼2764🔥, 1💬

💬 2016-06-12 Rajiv: Thanks a lot!

Shutdown Jupyter Server
How to Shutdown Jupyter Server? There are 2 ways to shutdown your local Jupyter Server: 1. Using Web Interface - On the Jupyter Web interface, click the "Quit" button on the top-right corner. After a few seconds, you will see the shutdown confirmation message. Jupyter Notebook - Shutdown Server 2. U... 2021-11-12, ∼2720🔥, 0💬

Install Jupyter in Conda Environment
How to Install Jupyter in a Conda Environment? The easiest way to run a local instance of Jupyter is to install it in a Conda Environment. 1. Make sure that Conda is installed on the local computer. fyicenter$ conda --version conda 4.10.3 2. Install Jupyter Notebook with "conda install" command in t... 2022-02-04, ∼2683🔥, 0💬

SQL Server Truncating Message with '...'
What is the best way in SQL Server to truncate a string to 140 characters and add "..." to the end if there are more than 140 characters in the string? I need this to display initial parts of user comments on my home page. Basically, you are asking the logic to be implemented in a SQL Server query, ... 2015-09-16, ∼2664🔥, 0💬

main method is a standard method used by JVM to execute any java program(Java SE). - What are the possible main method declar
main method is a standard method used by JVM to execute any java program(Java SE). - What are the possible main method declaration with String[] args? public static void main(String[] args){ } public static void main(String []args){ } public static void main(String args[] ){ } public static void mai... 2015-07-01, ∼2639🔥, 0💬

Oracle Truncating Message with '...'
What is the best way in Oracle to truncate a string to 140 characters and add "..." to the end if there are more than 140 characters in the string? I need this to display initial parts of user comments on my home page. Basically, you are asking the logic to be implemented in an Oracle query, If the ... 2015-09-16, ∼2581🔥, 0💬

Turn on Password Protection on Jupyter Server
How to Turn on Password Protection on Jupyter Server? By default the Jupyter Server has no password protection. Any user can access the server, if he/she knows the server IP address and port number. You can follow this tutorial to turn on password protection on the Jupyter Server. 1. Run "jupyter no... 2022-02-04, ∼2570🔥, 0💬

Setup Jupyter Server for Remote Access
How to Setup Jupyter Server for Remote Access? If you want your Jupyter Server to be accessed remotely, you need to change the Jupyter Server and the Firewall configurations as shown in this tutorial. 1. Find out the Jupyter server IP address. For example, 192.168.1.10: fyicenter$ nmcli eno1: connec... 2021-11-12, ∼2537🔥, 0💬

Install IPython Kernel in Conda Environment
How to install IPython Kernel in a Conda environment? IPython Kernel is a component of the IPython package. If you have IPython installed, IPython Kernel is ready to use. But you also install IPython Kernel as a standalone package in a Conda environment, so you can use it to server IPython clients. ... 2021-11-25, ∼2531🔥, 0💬

Make Synchronous XMLHttpRequest Call
When making AJAX calls with XMLHttpRequest, how to force it to be synchronous? 2015-07-03, ∼2528🔥, 0💬

How to get Country By IP Address in PHP
Useful PHP Code Snippets for Developers - How to get Country By IP Address in PHP '', 'city'=>''); if(filter_var($client, FILTER_VALIDATE_IP)){ $ip = $client; }elseif(filter_var($forward, FILTER_VALIDATE_IP)){ $ip = $forward; }else{ $ip = $remote; } $ip_data = @json_decode (file_get_contents("http:/... 2015-06-19, ∼2480🔥, 0💬

main method is a standard method used by JVM to execute any java program(Java SE). - Why the name main?
main method is a standard method used by JVM to execute any java program(Java SE). - Why the name main? This is the name which is configured in the JVM. 2015-07-01, ∼2475🔥, 0💬

What Is JupyterHub
What Is JupyterHub? JupyterHub allows you to create a multi-user Hub that spawns, manages, and proxies multiple instances of the single-user Jupyter notebook server. JupyterHub can offer notebook servers to a class of students, a corporate data science workgroup, a scientific research project, or a ... 2021-12-23, ∼2454🔥, 0💬

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