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javascript find and remove object in array based on key value
I have been trying several approaches on how to find an object in an array, where ID = var, and if found, remove the object from the array and return the new array of objects.
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Why do I need to override the equals and hashCode methods in Java?
... prevent your class from functioning properly in conjunction with all hash-based collections, including HashMap, HashSet, and Hashtable.
Let's try to understand it with an example of what would happen if we override equals() without overriding hashCode() and attempt to use a Map.
Say we have a clas...
Get the current git hash in a Python script
... parent
v1.0.4-14-g2414721
i.e. the current head of my "parent" branch is based on v1.0.4, but since it has a few commits on top of that, describe has added the number of additional commits ("14") and an abbreviated object name for the commit itself ("2414721") at the end.
From within Python, you ...
Difference between session affinity and sticky session?
...rver to send to.
Bad if you have to support cookie-less browsers
Partition based on the requester's IP address.
Bad if it isn't static or if many come in through the same proxy.
If you authenticate users, partition based on user name (it has to be an HTTP supported authentication mode to do this).
D...
How to sum a variable by group
...umber of groups. Both data,table and dplyr will be quite a lot faster than base functions, however (can well be 100-1000 times faster for some operations). Also see here
– talat
Jan 23 '15 at 14:50
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Path.Combine for URLs?
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Uri has a constructor that should do this for you: new Uri(Uri baseUri, string relativeUri)
Here's an example:
Uri baseUri = new Uri("http://www.contoso.com");
Uri myUri = new Uri(baseUri, "catalog/shownew.htm");
Note from editor: Beware, this method does not work as expected. It can...
Java NIO FileChannel versus FileOutputstream performance / usefulness
...e that I am testing with is around 350MB . Is it a good option to use NIO based classes for File I/O, if I am not looking at random access or other such advanced features?
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Creating a new column based on if-elif-else condition
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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What is the difference between the template method and the strategy patterns?
...method. Which algorithm is chosen for this parameter can vary dynamically based on the program's state or inputs.
class ConcreteAlgorithm : IAlgorithm
{
void DoAlgorithm(int datum) {...}
}
class Strategy
{
Strategy(IAlgorithm algo) {...}
void run(int datum) { this->algo.DoAlgorith...
How to read a CSV file into a .NET Datatable
...n I load a CSV file into a System.Data.DataTable , creating the datatable based on the CSV file?
22 Answers
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