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Catch a thread's exception in the caller thread in Python

...look into that. Try this on for size: import sys import threading import Queue class ExcThread(threading.Thread): def __init__(self, bucket): threading.Thread.__init__(self) self.bucket = bucket def run(self): try: raise Exception('An error occured h...
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How to create a new database after initally installing oracle database 11g Express Edition?

... Save the following code in a batch file (ex. createOraDbWin.bat). Change the parameter values like app_name, ora_dir etc., Run the file with administrative privileges. The batch file creates a basic oracle database: Note : May take much time (say aroun...
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How to implement a queue with three stacks?

...tually real-time simulation, it's linear-time simulation of a double-ended queue on three stacks. gusbro: "As @Leonel said some days ago, I thought it would be fair to check with Prof. Sedgewick if he knew a solution or there was some mistake. So I did write to him. I just received a response (albe...
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How should I log while using multiprocessing in Python?

... @BrandonRhodes - As I said, non-intrusively. Using multiprocessing.Queue will not be simpler if there is a lot of code to rewire to use multiprocessing.Queue, and/or if performance is an issue – vladr Oct 9 '13 at 17:07 ...
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How to request Administrator access inside a batch file

I am trying to write a batch file for my users to run from their Vista machines with UAC. The file is re-writing their hosts file, so it needs to be run with Administrator permissions. I need to be able to send them an email with a link to the .bat file. The desired behavior is that when they rig...
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Difference between dispatch_async and dispatch_sync on serial queue?

I've created a serial queue like this: 3 Answers 3 ...
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How do I get the different parts of a Flask request's url?

I want to detect if the request came from the localhost:5000 or foo.herokuapp.com host and what path was requested. How do I get this information about a Flask request? ...
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【内核源码】linux UDP实现 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

... = udp_recvmsg, .sendpage = udp_sendpage, .backlog_rcv = __udp_queue_rcv_skb, .release_cb = ip4_datagram_release_cb, .hash = udp_lib_hash, .unhash = udp_lib_unhash, .rehash = udp_v4_rehash, .get_port = udp_v4_get_port, .memory_allocated = &udp_memory_alloca...
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Threading pool similar to the multiprocessing Pool?

...something very simple and lightweight (slightly modified from here): from Queue import Queue from threading import Thread class Worker(Thread): """Thread executing tasks from a given tasks queue""" def __init__(self, tasks): Thread.__init__(self) self.tasks = tasks ...
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Transpose/Unzip Function (inverse of zip)?

..._elements = next(iterator) except StopIteration: return () queues = [deque([element]) for element in first_elements] def coordinate(queue): while True: if not queue: try: elements = next(iterator) ...