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Why is it necessary to set the prototype constructor?
... but it does have its uses. Suppose we wanted to make a copy method on the base Person class. Like this:
// define the Person Class
function Person(name) {
this.name = name;
}
Person.prototype.copy = function() {
// return new Person(this.name); // just as bad
return new this.con...
How do I find all files containing specific text on Linux?
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Based on my experience, the -i makes it slow down a lot, so don't use it if not necessary. Test it in a certain dir and then generalise. It should be completed within few minutes. I think a regular expression would make it sl...
Django: reverse accessors for foreign keys clashing
I have two Django models which inherit from a base class:
1 Answer
1
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C# Object Pooling Pattern implementation
...Core
The dotnet core has an implementation of object pooling added to the base class library (BCL). You can read the original GitHub issue here and view the code for System.Buffers. Currently the ArrayPool is the only type available and is used to pool arrays. There is a nice blog post here.
names...
How should I cast in VB.NET?
...asts between types if a conversion operator is defined
ToString() Between base type and string throws an exception if conversion is not possible.
TryParse() From String to base typeif possible otherwise returns false
DirectCast used if the types are related via inheritance or share a common inter...
How to make a background 20% transparent on Android
...e nearest integer if needed.
Convert the value obtained in 3., which is in base 10, to hexadecimal (base 16). You can use Google for this or any calculator. Using Google, type "204 to hexa" and it will give you the hexadecimal value. In this case it is 0xCC.
Prepend the value obtained in 4. to the d...
How to split a comma-separated value to columns
...own XML-hack (json and xml details here). Or look for one of the may iTVFs based on recursive CTEs.
– Shnugo
Nov 21 '19 at 10:35
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Is there Unicode glyph Symbol to represent “Search” [closed]
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Well the point is to have a glyph text-based, and the symbol is way better looking than the unicode one. +1.
– Niloct
Jan 29 '14 at 16:58
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C# Sanitize File Name
...answer especially for ASP.NET Core which might return different characters based on platform.
– Alexei
May 22 '19 at 12:57
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Create a unique number with javascript time
...etMonth < 9 ? '0' : '') + now.getMonth().toString(); // JS months are 0-based, so +1 and pad with 0's
timestamp += ((now.getDate < 10) ? '0' : '') + now.getDate().toString(); // pad with a 0
... etc... with .getHours(), getMinutes(), getSeconds(), getMilliseconds()
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