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Will HTML5 allow web apps to make peer-to-peer HTTP connections?
...ebSocket server (à la Opera Unite).
In the mean time, do it the XMPP/IRC/etc.-way: no peer-to-peer connection but WebSocket connections to a central server (or network!) to pass messages to the connected agents (eventually using some specific WebSocket "subprotocol")
EDIT: note that all of this i...
Java `final` method: what does it promise?
...ity and Contract -- Objects are composed of primitives (int, char, double, etc.) and/or other Objects. Not all operations applicable to those components should be applicable or even logical when they are used in the bigger Object. Methods with the final modifier can be used to ensure that. The Count...
When to use cla(), clf() or close() for clearing a plot in matplotlib?
... plt.gcf() (get current figure)
Read more here: Matplotlib, Pyplot, Pylab etc: What's the difference between these and when to use each?
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Optional query string parameters in ASP.NET Web API
...ou should take all records. Generally if you want a value type (int, bool, etc.) to be optional then it should be nullable.
– Andrew C
Aug 8 '18 at 13:18
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How do I execute inserts and updates in an Alembic upgrade script?
...al models directly will cause problems with missing columns, invalid data, etc. It's clearer to explicitly state exactly what columns and models you will use in the migration.
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Is an array name a pointer?
...d in B a was a separate pointer object from the array elements a[0], a[1], etc. Ritchie wanted to keep B's array semantics, but he didn't want to mess with storing the separate pointer object. So he got rid of it. Instead, the compiler will convert array expressions to pointer expressions during ...
Using tags in the with other HTML
...cnn.com, nytimes.com, huffingtonpost.com, your nearest big-city newspaper, etc. All of them do this.
If there's a good reason to put an extra <style> section somewhere in the body -- for instance if you're include()ing diverse and independent page elements in real time and each has an embedd...
Syntax behind sorted(key=lambda: …)
...da function, or if its a particular element in a nested list, tuple, dict, etc., again determined by the lambda function.
Lets try and predict what happens when I run the following code.
mylist = [(3, 5, 8), (6, 2, 8), ( 2, 9, 4), (6, 8, 5)]
sorted(mylist, key=lambda x: x[1])
My sorted call obv...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...hat your lock isn't automatically released on kill -9, reboot, power loss, etc.
– Charles Duffy
May 26 '17 at 14:50
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What are fail-safe & fail-fast Iterators in Java
...ific implementations (i.e. the specific collection iterator() / elements() etc methods that return these objects) that specify the behavior. 2) Typical Enumeration implementations are neither fail-fast or fail-safe.
– Stephen C
Feb 5 '16 at 22:56
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