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How can I access “static” class variables within class methods in Python?
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when using static variables, it's a good idea to read the gotchas from here: stackoverflow.com/questions/68645/… . @Constantin gives one of the many gotchas.
– Trevor Boyd Smith
Mar 21 '17 at 16:27
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nginx upload client_max_body_size issue
... by sending a 413 response and closing the connection.
Most clients don't read responses until the entire request body is sent. Because nginx closes the connection, the client sends data to the closed socket, causing a TCP RST.
If your HTTP client supports it, the best way to handle this is to se...
Calculate the median of a billion numbers
... and send it back to the control computer, and the time for the control to read 1/2 the data. The "combination" is somewhere between the maximum and the sum of those times, probably close to the max.
My instinct is that for sending data over a network to be faster than sorting it (let alone just se...
What is causing “Unable to allocate memory for pool” in PHP?
...nd that these changes don't fix the issue, as the comments on the linked thread also document...
– Jonathan Day
Jan 10 '11 at 2:59
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How do you find all subclasses of a given class in Java?
... subclasses in what seems to be an "efficient" amount of time because it already has all of the type data loaded at the point where you press the "Display in Type Hierarchy" button (since it is constantly compiling your classes, knows about everything on the classpath, etc).
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How to encrypt String in Java
...D barcode(PDF-417) so when someone get an idea to scan it will get nothing readable.
16 Answers
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When to use self over $this?
...), X::foo() is always called.
From http://www.phpbuilder.com/board/showthread.php?t=10354489:
By http://board.phpbuilder.com/member.php?145249-laserlight
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SQL Server dynamic PIVOT query?
...red procedure so if that is out of the question for your needs please stop reading now.
This procedure is going to take in the key variables of a pivot statement to dynamically create pivot statements for varying tables, column names and aggregates. The Static column is used as the group by / iden...
Task not serializable: java.io.NotSerializableException when calling function outside closure only o
...ame problem with class serialization can be of interest to you and you can read on it in this Spark Summit 2013 presentation.
As a side note, you can rewrite rddList.map(someFunc(_)) to rddList.map(someFunc), they are exactly the same. Usually, the second is preferred as it's less verbose and clean...
What is a bus error?
...aren't rare; I'm just at Exercise 9 from How to Learn C the Hard Way and already encountered one...
– 11684
Mar 26 '13 at 20:12
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