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Is Redis just a cache?
...mple, a Question is a map with fields {id, title, date_asked, votes, asked_by, status}. Similarly, an Answer is a map with fields {id, question_id, answer_text, answered_by, votes, status}. Similarly, we can model a user object.
Each of these objects can be directly stored in Redis as a Hash. To ge...
How can I kill a process by name instead of PID?
...web server daemon, is setup as a Service with it's own user. So specifying by user is a simple / easy way to trigger a restart.
– Raystorm
Feb 10 '15 at 20:09
7
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Pointer vs. Reference
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Explain what you mean by arithmetic. A new user may not understand that you want to adjust what the pointer is pointing at.
– Martin York
Sep 22 '08 at 16:30
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What are the differences between struct and class in C++?
...(11.2):
Member of a class defined with the
keyword class are private by
default. Members of a class defined
with the keywords struct or union
are public by default.
Additional difference: the keyword class can be used to declare template parameters, while the struct keyword cannot be s...
Why is a ConcurrentModificationException thrown and how to debug it
I am using a Collection (a HashMap used indirectly by the JPA, it so happens), but apparently randomly the code throws a ConcurrentModificationException . What is causing it and how do I fix this problem? By using some synchronization, perhaps?
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What is meant by “managed” vs “unmanaged” resources in .NET?
What is meant by the terms managed resource and unmanaged resource in .NET? How do they come into the picture?
5 Answers
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HTTP GET with request body
...t body with GET but it should not have any meaning. If you give it meaning by parsing it on the server and changing your response based on its contents, then you are ignoring this recommendation in the HTTP/1.1 spec, section 4.3:
...if the request method does not include defined semantics for an en...
What's the difference between lists enclosed by square brackets and parentheses in Python?
... mean tuples are mutable. In the example above, a new tuple is constructed by adding together the two tuples as arguments. The original tuple is not modified. To demonstrate this, consider the following:
>>> x = (1,2)
>>> y = x
>>> x += (3,)
>>> x
(1, 2, 3)
>&...
How to remove an element from a list by index
How do I remove an element from a list by index in Python?
18 Answers
18
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How to run a shell script in OS X by double-clicking?
...n I double click on it, it opens in a text editor. How can I get it to run by double-clicking it?
8 Answers
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