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Zero-pad digits in string
...so use string value of the number for better performance.
$number = strval(123);
Tested on PHP 7.4
str_repeat: 0.086055040359497 (number: 123, padding: 1)
str_repeat: 0.085798978805542 (number: 123, padding: 3)
str_repeat: 0.085641145706177 (number: 123, padding: 10)
str_repeat: 0.09130501747...
How can I pass a constant value for 1 binding in multi-binding?
...>
<TextBlock.Resources>
<sys:Int32 x:Key="fixedValue">123</sys:Int32>
</TextBlock.Resources>
<TextBlock.Text>
<MultiBinding Converter="{StaticResource myConverter}">
<Binding Path="myFirst.Value" />
<Binding Source="{StaticRes...
Copy a variable's value into another
...your top-level object. For example, given this object:
var obj = {
w: 123,
x: {
y: 456,
z: 789
}
};
If you do a shallow copy of that object, then the x property of your new object is the same x object from the original:
var copy = $.extend( {}, obj );
copy.w = 321;
co...
How to deal with floating point number precision in JavaScript?
...OfDecimals(Y) = ExpectedNumberOfDecimals. That is to say that if we have 0.123 * 0.12 then we know that there will be 5 decimal places because 0.123 has 3 decimal places and 0.12 has two. Thus if JavaScript gave us a number like 0.014760000002 we can safely round to the 5th decimal place without fea...
MySQL IF NOT NULL, then display 1, else display 0
... c
LEFT JOIN addresses a ON c.customerid = a.customerid
WHERE customerid = 123
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How to pass an array within a query string?
...a comma separated list of items:
let data = {
str: 'abc',
arr: ['abc', 123]
}
new URLSearchParams(data).toString(); // ?str=abc&arr=abc,123
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How can I import a database with MySQL from terminal?
...ple:
mysql -u root -p wp_users < wp_users.sql
mysql -u root -pPassword123 wp_users < wp_users.sql
See also:
4.5.1.5. Executing SQL Statements from a Text File
Note: If you are on windows then you will have to cd (change directory) to your MySQL/bin directory inside the CMD before exec...
In JavaScript, does it make a difference if I call a function with parentheses?
...not using ()'s
Lets take this function for example:
function foo(){
return 123;
}
if you log "foo" - without ()
console.log(foo);
---outout------
function foo(){
return 123;
}
Using no () means to fetch the function itself. You would do this if you want it to be passed along as a callback.
if ...
SQLite - replace part of a string
...red Jan 25 '16 at 15:59
bugmenot123bugmenot123
1,32911 gold badge1414 silver badges2424 bronze badges
...
parseInt vs unary plus, when to use which?
... '~~x',
'x>>>0',
'isNaN(x)'
];
VALUES = [
'"123"',
'"+123"',
'"-123"',
'"123.45"',
'"-123.45"',
'"12e5"',
'"12e-5"',
'"0123"',
'"0000123"',
'"0b111"',
'"0o10"',
'"0xBABE"',
'"4294967295"',
'"1...