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What does template mean?
...al<0>
{
enum { value = 1 };
};
// Factorial<4>::value == 24
// Factorial<0>::value == 1
void foo()
{
int x = Factorial<4>::value; // == 24
int y = Factorial<0>::value; // == 1
}
s...
How to list the properties of a JavaScript object?
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In modern browsers (IE9+, FF4+, Chrome5+, Opera12+, Safari5+) you can use the built in Object.keys method:
var keys = Object.keys(myObject);
The above has a full polyfill but a simplified version is:
var getKeys = function(obj){
var keys = [];
for(var key in obj)...
String concatenation in MySQL
I am using MySQL and MySQL Workbench 5.2 CE. When I try to concatenate 2 columns, last_name and first_name , it doesn't work :
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How do I sort strings alphabetically while accounting for value when a string is numeric?
... }
/// <inheritdoc />
public int Compare(string s1, string s2)
{
const int S1GreaterThanS2 = 1;
const int S2GreaterThanS1 = -1;
var IsNumeric1 = IsNumeric(s1);
var IsNumeric2 = IsNumeric(s2);
if (IsNumeric1 && IsNumeric2)
{...
How do I make Git treat a file as binary?
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2 Answers
2
Active
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?: operator (the 'Elvis operator') in PHP
...se ?: 0); // 0
var_dump(null ?: 'foo'); // 'foo'
var_dump(true ?: 123); // true
var_dump('rock' ?: 'roll'); // 'rock'
?>
By the way, it's called the Elvis operator.
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impro...
How to test if parameters exist in rails
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edited Mar 7 '19 at 18:29
answered Apr 12 '11 at 1:41
mu...
How do you follow an HTTP Redirect in Node.js?
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edited Apr 24 '14 at 12:55
neo
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answered Sep 6 '11 at ...
How to pass prepareForSegue: an object
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edited Aug 2 '17 at 9:13
answered Oct 23 '11 at 8:16
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npm windows install globally results in npm ERR! extraneous
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209
npm ERR! extraneous means a package is installed but is not listed in your project's package.j...