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Real World Example of the Strategy Pattern
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Is your example not more a Factory Pattern? Also I think it will not work in C# for example. Your "getCipher()" method is a static method but in C# you cannot define a static method on an interface (neither in Java I think but for th...
App can't be opened because it is from an unidentified developer
I installed Mac OS X Mavericks (10.9) yesterday and since then I am not able to start my Eclipse. I am attaching a screenshot of the message I see.
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UnicodeDecodeError, invalid continuation byte
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In binary, 0xE9 looks like 1110 1001. If you read about UTF-8 on Wikipedia, you’ll see that such a byte must be followed by two of the form 10xx xxxx. So, for example:
>>> b'\xe9\x80\x80'.decode('utf-8')
u'\u9000'
But that...
Printing the correct number of decimal points with cout
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With <iomanip>, you can use std::fixed and std::setprecision
Here is an example
#include <iostream>
#include <iomanip>
int main()
{
double d = 122.345;
std::cout << std::fixed;
std::cout << std::setprecision(2);
std:...
static files with express.js
I want to serve index.html and /media subdirectory as static files. The index file should be served both at /index.html and / URLs.
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How to delete last character in a string in C#?
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build it with string.Join instead:
var parameters = sl.SelProds.Select(x=>"productID="+x.prodID).ToArray();
paramstr = string.Join("&", parameters);
string.Join takes a seperator ("&") and and array of strings (parameters), and inserts the seperator between each element of the array...
Interface/enum listing standard mime-type constants
I am looking among the standard libraries (like apache commons, jax, jboss, javax) for an interface or enum that lists the values of all the standard mime-type (aka content-type).
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How can I delete one element from an array by value
...will remove all occurrences of 3 and has nothing to do with the arrays index or position.
– bkunzi01
Jun 11 '16 at 15:33
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show 4 more comme...
How to change SmartGit's licensing option after 30 days of commercial use on ubuntu?
... I checked the commercial licensing option, because I was just clicking "next" button : ) (30 day trial and then you have to buy it). Now today is my 31st day of using SG and I can't change my licensing options (reinstalling smartgit doesn't help) and I'm not able to use SG anymore without paying (I...
Cannot use ref or out parameter in lambda expressions
Why can't you use a ref or out parameter in a lambda expression?
5 Answers
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