First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Limit the Result Returned from MySQL in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.

First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Update a MySQL Table in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.cursor() sql = "UPDATE customers SET address = 'Stoneleigh Place' WHERE address = 'Abbey Road'" mycursor.

First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Delete/Drop a MySQL Table in Python 1 2 3 4 5 6 7 8 9 10 11 12 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.cursor() sql = "DROP TABLE customers" mycursor.

First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Delete MySQL Records in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.cursor() sql = "DELETE FROM customers WHERE address = 'The Rockies'" mycursor.

First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Sort the Result of a MySQL Query in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.

First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Select from MySQL with a Filter in Python You simply specify the WHERE clause in your SQL statement as follows: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.

First, you will need the mysql.connector. If you are unsure of how to get this setup, refer to How to Install MySQL Driver in Python. How to Select From a MySQL Table in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.cursor() mycursor.

If you need to insert data into a MySQL table using Python, then look no further. If you need to first learn about the mysql.connector and how to get this up and running, first take a look at the How to Install MySQL Driver in Python post before continuing. How do Insert into a MySQL Table in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 import mysql.

You can create a Primary Key for your MySQL database in Python as follows. First, you need to know if the Primary Key already exists. Option 1 – The Primary Key does not Exist 1 2 3 4 5 6 7 8 9 10 11 12 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.cursor() mycursor.execute("CREATE TABLE customers (id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255), address VARCHAR(255))") Option 2 – The Primary Key already Exists 1 2 3 4 5 6 7 8 9 10 11 12 import mysql.

If you need to create a table in a MySQL database using Python, then you can do the following. How to Create a MySQL Table in Python 1 2 3 4 5 6 7 8 9 10 11 12 import mysql.connector mydb = mysql.connector.connect( host = "localhost", user = "username", password = "YoUrPaSsWoRd", database = "your_database" ) mycursor = mydb.cursor() mycursor.execute("CREATE TABLE people (name VARCHAR(255), address VARCHAR(255))") How to Check if a MySQL Table Exists in Python 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 import mysql.

In order to create a MySQL database in Python, you first need to initiate a connection using the mysql.connector. You can learn about how to create a connection to MySQL here. How to Create a Database in Python Creating a database is simple. First, make sure you have an active connection to your database, and then set a cursor. Once you have this, issue the execute command to create your database.

To begin using MySQL in Python, you need to do the following: Step 1 – Install the MySQL Connector Using pip, we can install the MySQL Connector package: 1 python -m pip install mysql-connector-python Step 2 – Test the MySQL Connector Create a Python file and import the new package: 1 import mysql.connector Step 3 – Create a Connection to the MySQL Database Now you can create a connection to your MySQL database.

If you need to resize an EBS volume in AWS, you can do so using bash. Step 1 – Create a bash file Create a bash file called resize.sh: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 #!

If you need to get all the checked checkboxes using Javascript, then you can do the following: Option 1 – In a single line 1 const checkedBoxes = document.querySelectorAll('input[name=mycheckboxes]:checked'); Option 2 – Another one liner 1 const data = [...document.querySelectorAll('.mycheckboxes:checked')].map(e => e.value); Option 3 – Create a helper function 1 2 3 4 5 6 7 8 9 10 function getCheckedBoxes(checkboxName) { var checkboxes = document.getElementsByName(checkboxName); var checkboxesChecked = []; for (var i=0; i<checkboxes.

AWS CodeCommit is a git code repository service by Amazon Web Services. You will want to clone your repository and setup your remotes using credential helper. Step 1 – Setup Credential Helper 1 2 git config --global credential.helper '!aws codecommit credential-helper $@' git config --global credential.UseHttpPath true This will write to your local user’s ~/.gitconfig, and the file will look something like: 1 2 3 [credential] helper = !aws --profile CodeCommitProfile codecommit credential-helper $@ UseHttpPath = true You can edit this file by running the following git command:

If you would like to flex grid 2 columns in CSS then you need three (3) divs. Step 1 – Set your HTML template Create some HTML with this layout. 1 2 3 4 5 6 7 8 <div class="Parent"> <div class="child1"> <h1>Left</h1> </div> <div class="child2"> <h1>RIGHT</h1> </div> </div> Step 2 – Container Div Create a Parent div that uses the Flexbox display model. 1 2 3 4 .Parent { display: flex; flex-direction: row; } Step 3 – Child Divs Create two (2) divs that are both 50% of the parent container.

If you want to create a hashtag generator in Javascript, then you can do the following: 1 2 3 4 5 6 7 8 9 10 11 12 function generateHashtag(string) { if (string.trim() === '') return false; const stringWithCamelCase = string .split(' ') .map(word => word.charAt(0).toUpperCase() + word.slice(1)) .join(''); const stringWithHashtag = `#${stringWithCamelCase.trim()}`; return stringWithHashtag.length > 140 ? false : stringWithHashtag; } How to use the Hashtag Generator 1 2 3 4 const hashtag = generateHashtag("My New Hashtag !

You can implement a function to be called before the user leaves a page with Javascript as follows: 1 2 3 window.onbeforeunload = function(e) { return "Do you want to exit this page?"; }; This is a typically solution for when you want the user to confirm their changes are saved before allowing them to close the current page in editing tools.

If you need to calculate the multiples of 3, starting from 1 up until 1000, then you can use the following code: 1 2 3 4 5 n = 1 v = [] while n <= 1000: v.append(n) n = n + 3 This will generate the list of numbers which are the multiples of 3 from 1 to 1000: 1 1, 4, 7, 10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97, 100, 103, 106, 109, 112, 115, 118, 121, 124, 127, 130, 133, 136, 139, 142, 145, 148, 151, 154, 157, 160, 163, 166, 169, 172, 175, 178, 181, 184, 187, 190, 193, 196, 199, 202, 205, 208, 211, 214, 217, 220, 223, 226, 229, 232, 235, 238, 241, 244, 247, 250, 253, 256, 259, 262, 265, 268, 271, 274, 277, 280, 283, 286, 289, 292, 295, 298, 301, 304, 307, 310, 313, 316, 319, 322, 325, 328, 331, 334, 337, 340, 343, 346, 349, 352, 355, 358, 361, 364, 367, 370, 373, 376, 379, 382, 385, 388, 391, 394, 397, 400, 403, 406, 409, 412, 415, 418, 421, 424, 427, 430, 433, 436, 439, 442, 445, 448, 451, 454, 457, 460, 463, 466, 469, 472, 475, 478, 481, 484, 487, 490, 493, 496, 499, 502, 505, 508, 511, 514, 517, 520, 523, 526, 529, 532, 535, 538, 541, 544, 547, 550, 553, 556, 559, 562, 565, 568, 571, 574, 577, 580, 583, 586, 589, 592, 595, 598, 601, 604, 607, 610, 613, 616, 619, 622, 625, 628, 631, 634, 637, 640, 643, 646, 649, 652, 655, 658, 661, 664, 667, 670, 673, 676, 679, 682, 685, 688, 691, 694, 697, 700, 703, 706, 709, 712, 715, 718, 721, 724, 727, 730, 733, 736, 739, 742, 745, 748, 751, 754, 757, 760, 763, 766, 769, 772, 775, 778, 781, 784, 787, 790, 793, 796, 799, 802, 805, 808, 811, 814, 817, 820, 823, 826, 829, 832, 835, 838, 841, 844, 847, 850, 853, 856, 859, 862, 865, 868, 871, 874, 877, 880, 883, 886, 889, 892, 895, 898, 901, 904, 907, 910, 913, 916, 919, 922, 925, 928, 931, 934, 937, 940, 943, 946, 949, 952, 955, 958, 961, 964, 967, 970, 973, 976, 979, 982, 985, 988, 991, 994, 997, 1000

If you need to count how many files are in a directory on Linux, then you can use a combination of the ls command to list all the files, and the wc command to count how many lines are printed: Option 1 – Using wc 1 ls | wc -l You can specify a directory as follows: 1 ls <directory> | wc -l Option 2 – Using find You can count files recursively by using the find command: