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How to get hex color value rather than RGB value?
...
var hexDigits = new Array
("0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f");
//Function to convert rgb color to hex format
function rgb2hex(rgb) {
rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
return "#" + hex(...
How to get 0-padded binary representation of an integer in java?
...teger.toBinaryString(256);
int length = 16 - binString.length();
char[] padArray = new char[length];
Arrays.fill(padArray, '0');
String padString = new String(padArray);
binString = padString + binString;
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...
How does JavaScript .prototype work?
...od calls a function with a given this value and
arguments provided as an array (or an array-like object).
and
The call() method calls a function with a given this value and
arguments provided individually.
this way which is my favorite, we can easily call our functions like:
Person.call...
Create a custom callback in JavaScript
...imes it's useful to pass the arguments you want to give the callback as an array, rather than individually. You can use apply to do that:
function Thing(name) {
this.name = name;
}
Thing.prototype.doSomething = function(callback) {
// Call our callback, but using our own instance as the con...
How do I dump an object's fields to the console?
...
You might find a use for the methods method which returns an array of methods for an object. It's not the same as print_r, but still useful at times.
>> "Hello".methods.sort
=> ["%", "*", "+", "<", "<<", "<=", "<=>", "==", "===", "=~", ">", ">=", "[]",...
Awk学习笔记 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...环用于读取关联数组中的元素。格式如下：
{for (item in arrayname){
print arrayname[item]
}
}
$ awk '/^tom/{name[NR]=$1}; END{for(i in name){print name[i]}}' test。打印有值的数组元素。打印的顺序是随机的。
用字符串作为下标。...
Memcache Vs. Memcached [duplicate]
...her key was found.
Because of this limitation I switched to storing empty arrays instead of FALSE in cache. I am still using Memcache, but I just wanted to put this info out there for people who are deciding.
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Convert a date format in PHP
...
Use:
implode('-', array_reverse(explode('-', $date)));
Without the date conversion overhead, I am not sure it'll matter much.
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impro...
PDOException SQLSTATE[HY000] [2002] No such file or directory
...=> '/tmp/mysql.sock'
You must have something like this:
'mysql' => array(
'driver' => 'mysql',
'host' => 'localhost',
'database' => 'SchoolBoard',
'username' => 'root',
'password' => 'venturaa',
'charset' => 'utf8...
How to index characters in a Golang string?
...d)[x])
fmt.Println(yo)
x+=1
}
}
for string arrays also:
fmt.Println(string([]rune(sArray[0])[0]))
// = commented line
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