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Differences between socket.io and websockets
...t simplifies the usage of WebSockets as you described in #2, and probably more importantly it provides fail-overs to other protocols in the event that WebSockets are not supported on the browser or server. I would avoid using WebSockets directly unless you are very familiar with what environments th...
How to strip HTML tags from string in JavaScript? [duplicate]
...rser is the probably the best bet in current browsers. The following will work, with the following caveats:
Your HTML is valid within a <div> element. HTML contained within <body> or <html> or <head> tags is not valid within a <div> and may therefore not be parsed cor...
Reset local repository branch to be just like remote repository HEAD
...do I reset my local branch to be just like the branch on the remote repository?
21 Answers
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Move assignment operator and `if (this != &rhs)`
In the assignment operator of a class, you usually need to check if the object being assigned is the invoking object so you don't screw things up:
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iOS difference between isKindOfClass and isMemberOfClass
...OfClass: returns YES if the receiver is an instance of the specified class or an instance of any class that inherits from the specified class.
isMemberOfClass: returns YES if, and only if, the receiver is an instance of the specified class.
Most of the time you want to use isKindOfClass: to ensure...
Physical vs. logical / soft delete of database record?
What is the advantage of doing a logical/soft delete of a record (i.e. setting a flag stating that the record is deleted) as opposed to actually or physically deleting the record?
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How different is Scrum practice from Agile Practice? [duplicate]
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Definition of Scrum -> scrumguides.org/scrum-guide.html
– Tarun
Jan 4 '18 at 8:31
2
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Java Generics (Wildcards)
...eans the generic can be any type. A bounded wildcard (<? extends T> or <? super T>) places a restriction on the type by saying that it either has to extend a specific type (<? extends T> is known as an upper bound), or has to be an ancestor of a specific type (<? super T> is...
python pandas: apply a function with arguments to a series
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The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The apply method accepts a python function which should have a single parameter. If you want to pass more parameters you should use functools.partial as su...
How to prevent browser to invoke basic auth popup and handle 401 error using Jquery?
I need to send authorization request using basic auth. I have successfully implemented this using jquery. However when I get 401 error basic auth browser popup is opened and jquery ajax error callback is not called.
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