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What is the meaning of single and double underscore before an object name?
...n is meant to call, not you. Let's take a look:
>>> name = "test string"
>>> name.__len__()
11
>>> len(name)
11
>>> number = 10
>>> number.__add__(40)
50
>>> number + 50
60
There is always an operator or native function which calls these magi...
What is Java Servlet?
...d has moved on. In 2020 we use annotations on the code instead of central string based configurations file in XML.
– Thorbjørn Ravn Andersen
Jan 30 at 18:29
...
A html space is showing as %2520 instead of %20
... and it renders the image correctly in the browser, correctly encoding the string once.
Helpful link: http://support.mozilla.org/en-US/questions/900466
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Does “untyped” also mean “dynamically typed” in the academic CS world?
...avaScript such that some variable x could be a number, or a function, or a string, or something else (and determining which one would require solving the Halting Problem or some hard mathematical problem), so you can apply x to an argument and the browser has to check at runtime that x is a function...
DLL and LIB files - what and why?
... example if you write a function that counts the number of characters in a string, that function will be useful in lots of programs. Once you get that function working correctly you don't want to have to recompile the code every time you use it, so you put the executable code for that function in a ...
Storing JSON in database vs. having a new column for each key
... perform a text-search on it.
value per column instead matches the whole string.
Your approach (JSON based data) is fine for data you don't need to search by, and just need to display along with your normal data.
Edit: Just to clarify, the above goes for classic relational databases. NoSQL use J...
Does the use of the “Async” suffix in a method name depend on whether the 'async' modifier is used?
...g against many Microsoft Style guidelines, like avoiding things like PersonString or PriceDecimal so why use GetAsync - API consumers of async API's need not worry about this as the request always returns after all tasks complete anyway. Its silly and really annoying me. But its just another convent...
Can anyone explain IEnumerable and IEnumerator to me? [closed]
...:
// This seems reasonable ...
public class Program
{
static void Main(string[] args)
{
Console.WriteLine("***** Fun with IEnumerable / IEnumerator *****\n");
Garage carLot = new Garage();
// Hand over each car in the collection?
foreach (Car c in carLot)
{
...
Add regression line equation and R^2 on graph
...
Here is one solution
# GET EQUATION AND R-SQUARED AS STRING
# SOURCE: https://groups.google.com/forum/#!topic/ggplot2/1TgH-kG5XMA
lm_eqn <- function(df){
m <- lm(y ~ x, df);
eq <- substitute(italic(y) == a + b %.% italic(x)*","~~italic(r)^2~"="~r2,
l...
When should I use mmap for file access?
...that you do not access outside of the map. It can easily happen if you use string functions on your map, and your file does not contain a \0 at the end. It will work most of the time when your file size is not a multiple of the page size as the last page is filled with 0 (the mapped area is always i...