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Is there a WebSocket client implemented for Python? [closed]
...s = EchoClient('http://localhost:9000/ws')
The client can be Threaded or based on IOLoop from Tornado project. This will allow you to create a multi concurrent connection client. Useful if you want to run stress tests.
The client also exposes the onmessage, opened and closed methods. (WebSocket s...
Fix warning “Capturing [an object] strongly in this block is likely to lead to a retain cycle” in AR
...e, how to fix a warning about a potential retain cycle, when using a block-based API?
7 Answers
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How do I set up DNS for an apex domain (no www) pointing to a Heroku app?
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(Note: root, base, apex domains are all the same thing. Using interchangeably for google-foo.)
Traditionally, to point your apex domain you'd use an A record pointing to your server's IP. This solution doesn't scale and isn't viable for ...
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...
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...
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");
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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...