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Removing duplicates in lists
...n approach to get a unique collection of items is to use a set. Sets are unordered collections of distinct objects. To create a set from any iterable, you can simply pass it to the built-in set() function. If you later need a real list again, you can similarly pass the set to the list() function.
T...
DataContractSerializer doesn't call my constructor?
...But the XmlSerializer also needs public getter and setter on properties in order to serialize / deserialize.
I think of the DataContractSerializer / BinaryFormatter behavior like suspending the state of an instance during serialization and resuming during deserialization. In other words, the insta...
How unique is UUID?
...ely generate a batch of 16,384 UUIDs within the span of a single "tick" in order to overflow the sequence number. I have seen this happen with an implementation that relied, naively, on a clock source that (1) had μs-level granularity, and (2) was not guaranteed to be monotonic (system clocks are ...
Should I use .done() and .fail() for new jQuery AJAX code instead of success and error
...recation Notice:
The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callbacks will be deprecated in jQuery 1.8. To prepare your code for their eventual removal, use jqXHR.done(), jqXHR.fail(), and jqXHR.always() instead.
If you are using the callback-manipulation function (using method-chaini...
Switch statement: must default be the last case?
...
The case statements and the default statement can occur in any order in the switch statement. The default clause is an optional clause that is matched if none of the constants in the case statements can be matched.
Good Example :-
switch(5) {
case 1:
echo "1";
break;
case ...
Get to UIViewController from UIView?
...API features. Many I have referred to sacrifice good or scalable design in order to provide a concise demonstration of the topic. It took me a long time to realise this and while it makes sense, I find it unfortunate. I think a lot of developers take these pragmatic projects as Apple's guide to best...
A simple explanation of Naive Bayes Classification
... & part two being the confusion surrounding Training set.
In general all of Machine Learning Algorithms need to be trained for supervised learning tasks like classification, prediction etc. or for unsupervised learning tasks like clustering.
During the training step, the algorithms are taught...
Constructing pandas DataFrame from values in variables gives “ValueError: If using all scalar values
...
Perhaps it is because the order of items in a list in Python are persistent whereas the ordering of items in a dictionary are not. You can instantiate a DataFrame with an empty dictionary. In principle I suppose a single-row DataFrame as shown here wo...
How do I do a multi-line string in node.js?
...offeescript. :P But, I'm definitely a fan of the ''' string block! Or... PHP heredoc syntax.
– BMiner
Jul 13 '11 at 18:25
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How do arrays in C# partially implement IList?
...that!" and issues an error. It needs an explicit cast to IList<T> in order to work.
– Tobias Knauss
May 12 '17 at 10:35
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