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It's good practice to document your work for later use, especially if you are coding for a dynamic workload. Good comments should explain why the code is doing something, not what the code is doing. Function Bonus(EmployeeTitle as String) as Double If EmployeeTitle = "Sales" Then ...

The <label> element is used to reference a form action element. In the scope of User Interface it's used to ease the target / selection of elements like Type radio or checkbox. <label> as wrapper It can enclose the desired action element <label> <input type="checkb...

Given a sequence of steps we use repeatedly, it's often handy to store it in a function. Pipes allow for saving such functions in a readable format by starting a sequence with a dot as in: . %>% RHS As an example, suppose we have factor dates and want to extract the year: library(magrittr) ...

If your application transmits text to other systems, they will also need to be informed of the character encoding. In PHP, you can use the default_charset option in php.ini, or manually issue the Content-Type MIME header yourself. This is the preferred method when targeting modern browsers. hea...

This topic specifically talks about UTF-8 and considerations for using it with a database. If you want more information about using databases in PHP then checkout this topic. Storing Data in a MySQL Database: Specify the utf8mb4 character set on all tables and text columns in your database. ...

JSFiddle: https://jsfiddle.net/UnsungHero97/80qod7aL/ HTML <div class="box_shadow"></div> CSS .box_shadow { -webkit-box-shadow: 0px 0px 10px -1px #444444; -moz-box-shadow: 0px 0px 10px -1px #444444; box-shadow: 0px 0px 10px -1px #444444; }

HTML <div class="box_shadow"></div> CSS .box_shadow { background-color: #1C90F3; width: 200px; height: 100px; margin: 50px; -webkit-box-shadow: inset 0px 0px 10px 0px #444444; -moz-box-shadow: inset 0px 0px 10px 0px #444444; box-shadow: inse...

JSFiddle: https://jsfiddle.net/UnsungHero97/80qod7aL/2/ HTML <div class="box_shadow"></div> CSS .box_shadow { background-color: #1C90F3; width: 200px; height: 100px; margin: 50px; } .box_shadow:after { content: ""; width: 190px; height: ...

The following code will print the arguments to the program, and the code will attempt to convert each argument into a number (to a long): #include <stdlib.h> #include <stdio.h> #include <errno.h> #include <limits.h> int main(int argc, char* argv[]) { for (int ...

Python 2.x2.7 To import a module through a function call, use the importlib module (included in Python starting in version 2.7): import importlib random = importlib.import_module("random") The importlib.import_module() function will also import the submodule of a package directly: c...

There is a limit to the depth of possible recursion, which depends on the Python implementation. When the limit is reached, a RuntimeError exception is raised: def cursing(depth): try: cursing(depth + 1) # actually, re-cursing except RuntimeError as RE: print('I recursed {} times!'....

Suppose we want to write a factory function that accepts an arbitrary list of arguments and passes those arguments unmodified to another function. An example of such a function is make_unique, which is used to safely construct a new instance of T and return a unique_ptr<T> that owns the instan...

Defining a member block inside a resource creates a route that can act on an individual member of that resource-based route: resources :posts do member do get 'preview' end end This generates the following member route: get '/posts/:id/preview', to: 'posts#preview' # preview_post_p...

If you are building a function that may be heavy on the processor (either clientside or serverside) you may want to consider a memoizer which is a cache of previous function executions and their returned values. This allows you to check if the parameters of a function were passed before. Remember, p...

# Create a sample DF df = pd.DataFrame(np.random.randn(5, 3), columns=list('ABC')) # Show DF df A B C 0 -0.467542 0.469146 -0.861848 1 -0.823205 -0.167087 -0.759942 2 -1.508202 1.361894 -0.166701 3 0.394143 -0.287349 -0.978102 4 -0.160431 1.054736 -0.785250 ...

The specifier override has a special meaning in C++11 onwards, if appended at the end of function signature. This signifies that a function is Overriding the function present in base class & The Base class function is virtual There is no run time significance of this specifier as is mainl...

With virtual member functions: #include <iostream> struct X { virtual void f() { std::cout << "X::f()\n"; } }; struct Y : X { // Specifying virtual again here is optional // because it can be inferred from X::f(). virtual void f() { std::cout <&lt...

SQLite is a C library that is typically compiled directly into the application by downloading the source code of the latest version, and adding the sqlite3.c file to the project. Many script languages (e.g., Perl, Python, Ruby, etc.) and frameworks (e.g., Android) have support for SQLite; this is d...

A typical use case for a filter is to remove values from an array. In this example we pass in an array and remove any nulls found in it, returning the array. function removeNulls() { return function(list) { for (var i = list.length - 1; i >= 0; i--) { if (typeof list[i...

Another use case for filters is to format a single value. In this example, we pass in a value and we are returned an appropriate true boolean value. function convertToBooleanValue() { return function(input) { if (typeof input !== 'undefined' && input !== null ...