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tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解 - C/C++...
tcp端口状态ESTABLISHED、TIME_WAIT、CLOSE_WAIT 、SYN_RECV等详解TCP状态转移要点TCP协议规定，对于已经建立的连接，网络双方要进行四次握手才能成功断开连接，如果缺少了其中某个步骤，将会使连接处于假死 TCP状态转移要点
TCP协议...
What is the optimal Jewish toenail cutting algorithm?
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Randomly pick two different sequences. Remember which ones you used last time.
EDIT: If this isn't really about toes, but about some random problem where the set can be much larger than 5, the sequence space becomes very large and the chance of repeating the same sequence on the second foot beco...
Executing periodic actions in Python [duplicate]
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At the end of foo(), create a Timer which calls foo() itself after 10 seconds.
Because, Timer create a new thread to call foo().
You can do other stuff without being blocked.
import time, threading
def foo():
print(time.ctime())
threading.Timer(...
How can I “pretty print” a Duration in Java?
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Joda Time has a pretty good way to do this using a PeriodFormatterBuilder.
Quick Win: PeriodFormat.getDefault().print(duration.toPeriod());
e.g.
//import org.joda.time.format.PeriodFormatter;
//import org.joda.time.format.Perio...
Is it possible to use argsort in descending order?
... elements:
avgDists.argsort()[::-1][:n]
Both methods are O(n log n) in time complexity, because the argsort call is the dominant term here. But the second approach has a nice advantage: it replaces an O(n) negation of the array with an O(1) slice. If you're working with small arrays inside loo...
Sleeping in a batch file
...onds (usually in a test/wait loop, waiting for a process to start). At the time, the best solution I could find uses ping (I kid you not) to achieve the desired effect. I've found a better write-up of it here , which describes a callable "wait.bat", implemented as follows:
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Convert String to SecureString
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AppendChar doesn't execute until run time, so those characters can still be read from the IL, correct? Maybe some compile-time obfuscation would help as well... that is, if you're hard-coding passwords.
– samis
Aug 22 '18 a...
How to determine if a point is in a 2D triangle? [closed]
... clockwise), you don't need to calculate all of those determinants all the time. In fact in the best case, 1 determinant is enough to find that the point is not inside the triangle.
– Thash
Sep 9 '16 at 15:28
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Why aren't variable-length arrays part of the C++ standard?
...s to the type system (you need to be able to specify types depending on runtime values - this does not yet exist in current C++, except for new operator type-specifiers, but they are treated specially, so that the runtime-ness doesn't escape the scope of the new operator).
You can use std::vector, ...
Python dictionary: Get list of values for list of keys
... function call (that returns a dict) then this calls the function multiple times, right?
– endolith
Sep 30 '18 at 3:09
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