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Best way to initialize (empty) array in PHP
...ul if you wanna create your array in an object with properties pattern and convert it to array in the end.
– Jomar Sevillejo
Dec 8 '15 at 8:30
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Is “ ” a replacement of “ ”?
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Is there any change to convert these numeric entity referenece into the character enitiy reference?
– user2140111
Sep 4 '15 at 10:41
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PHP Pass by reference in foreach [duplicate]
...ill become a normal variable (Since no one else is pointing to $a[0] it is converted to a normal variable. PHP is smart enough to make it a normal variable when no one else is pointing towards it)
This is what happens in the first loop
foreach ($a as &$v) {
}
After the last iteration $a[3...
Create PostgreSQL ROLE (user) if it doesn't exist
...catch only this one error. As other answers mentioned it is a good idea to convert fatal error to simple notice. Other PostgreSQL IF NOT EXISTS commands adds , skipping into their message, so for consistency I'm adding it here too.
Here is full SQL code for simulation of CREATE ROLE IF NOT EXISTS w...
How to reset a form using jQuery with .reset() method
...s post here, jQuery has no reset() method; but native JavaScript does. So, convert the jQuery element to a JavaScript object by either using :
$("#formId")[0].reset()
// or
$("#formId").get(0).reset()
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How can I check if multiplying two numbers in Java will cause an overflow?
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Java 8 has Math.multiplyExact, Math.addExact etc. for ints and long. These throw an unchecked ArithmeticException on overflow.
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What type of hash does WordPress use?
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Just tried it also and logged in. The MD5 got auto-converted to a wp hash. Wp version 5.1
– Miro
Nov 20 '19 at 23:16
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How to create a custom attribute in C#
...that you understand what attributes are:
Attributes are metadata compiled into your program. Attributes themselves do not add any functionality to a class, property or module - just data. However, using reflection, one can leverage those attributes in order to create functionality.
So, for instanc...
Function overloading in Javascript - Best practices
...ring p1) {return p1;}
public string CatStrings(string p1, int p2) {return p1+p2.ToString();}
public string CatStrings(string p1, int p2, bool p3) {return p1+p2.ToString()+p3.ToString();}
CatStrings("one"); // result = one
CatStrings("one",2); // result = one2
C...
Why does a RegExp with global flag give wrong results?
...'.match(re); // -> true
!!'Foo Bar'.match(re); // -> true
Note: !! converts it to a boolean and then inverts the boolean so it reflects the result.
Alternatively, you could just reset the lastIndex property:
result.push(re.test('Foo Bar'));
re.lastIndex = 0;
result.push(re.test('Foo Bar'))...