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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...
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...
What is SuppressWarnings (“unchecked”) in Java?
...va compiler inserted an implicit cast.
java.lang.ClassCastException: java.base/java.lang.String cannot be cast to java.base/java.lang.Integer
An unchecked warning tells a programmer that a cast may cause a program to throw an exception somewhere else. Suppressing the warning with @SuppressWarning...
What is the simplest way to convert a Java string from all caps (words separated by underscores) to
...
Another option is using Google Guava's com.google.common.base.CaseFormat
George Hawkins left a comment with this example of usage:
CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.UPPER_CAMEL, "THIS_IS_AN_EXAMPLE_STRING");
...
How do I debug Node.js applications?
...
"Since version 6.3, Node.js provides a buit-in DevTools-based debugger which mostly deprecates Node Inspector, see e.g. this blog post to get started. The built-in debugger is developed directly by the V8/Chromium team and provides certain advanced features (e.g. long/async stack ...
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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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...
Algorithm for classifying words for hangman difficulty levels as “Easy”,“Medium”, or “Hard”
...answers and comments, that the optimal strategy for the solver would be to base their decisions on the frequency of letters in English, or on the frequency of words in some corpus. This is a seductive idea, but it's not quite right. The solver does best if it accurately models the distribution of wo...