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How to clear APC cache entries?

...on apc_clear_cache. Calling apc_clear_cache() will clear the system cache and calling apc_clear_cache('user') will clear the user cache. share | improve this answer | follow...
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Is there a visual profiler for Python? [closed]

... A friend and I have written a Python profile viewer called SnakeViz that runs in a web browser. If you are already successfully using RunSnakeRun SnakeViz may not add that much value, but SnakeViz is much easier to install. Edit: Sna...
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400 BAD request HTTP error code meaning?

...ules. In the case of a REST API with a JSON payload, 400's are typically, and correctly I would say, used to indicate that the JSON is invalid in some way according to the API specification for the service. By that logic, both the scenarios you provided should be 400's. Imagine instead this were ...
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Difference between “or” and || in Ruby? [duplicate]

What's the difference between the or and || operators in Ruby? Or is it just preference? 8 Answers ...
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Why is pow(a, d, n) so much faster than a**d % n?

I was trying to implement a Miller-Rabin primality test , and was puzzled why it was taking so long (> 20 seconds) for midsize numbers (~7 digits). I eventually found the following line of code to be the source of the problem: ...
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What is a coroutine?

... Coroutines and concurrency are largely orthogonal. Coroutines are a general control structure whereby flow control is cooperatively passed between two different routines without returning. The 'yield' statement in Python is a good exam...
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What is the difference between a database and a data warehouse?

What is the difference between a database and a data warehouse? 13 Answers 13 ...
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Precedence and bitmask operations

...ses make code more readable. In extreme cases you might want to (re-)group and short-comment stuff. – No answer Feb 24 '14 at 10:35 2 ...
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What is the best way to do GUIs in Clojure?

... :content "Hello, Seesaw" :on-close :exit) pack! show!) and here's @Abhijith and @dsm's example, translated pretty literally: (ns seesaw-test.core (:use seesaw.core)) (defn handler [event] (alert event (str "<html>Hello from <b>Clojure</b>. Button " ...
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How to check Oracle database for long running queries

... from v$sqltext_with_newlines t,V$SESSION s where t.address =s.sql_address and t.hash_value = s.sql_hash_value and s.status = 'ACTIVE' and s.username <> 'SYSTEM' order by s.sid,t.piece / This shows locks. Sometimes things are going slow, but it's because it is blocked waiting for a lock: s...