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Spark java.lang.OutOfMemoryError: Java heap space
... suggestions:
If your nodes are configured to have 6g maximum for Spark (and are leaving a little for other processes), then use 6g rather than 4g, spark.executor.memory=6g. Make sure you're using as much memory as possible by checking the UI (it will say how much mem you're using)
Try using more ...
File Upload in WebView
I have been struggling to upload files from WebView since last few
days and there is no progress. I googled and implemented all suggested
solutions but none works, like: solutions suggested here ,
and so on.
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Cannot kill Python script with Ctrl-C
...thread, but because your threads aren't in daemon mode, they keep running, and that keeps the process alive. We can make them daemons:
f = FirstThread()
f.daemon = True
f.start()
s = SecondThread()
s.daemon = True
s.start()
But then there's another problem - once the main thread has started your ...
技术人员如何去面试？ - 杂谈 - 清泛网 - 专注C/C++及内核技术
...会感觉审判一般，会比较压抑，比较好的做法是两人侧面L角坐，这样不会彼此压抑，也方便交流。(本规则适合大部分面试，包括非技术职位)
如果是有些校园招聘，一般是在宾馆房间面试，普遍合理的面试官的做法是面试过程...
What is the difference between a framework and a library?
What is the difference between a framework and a library ?
19 Answers
19
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Detect if called through require or directly by command line
...hich I don't have control over) that does this, but I need to require() it and have it act as though it was called directly. Basically, I need to fool something that uses that test into thinking it was called directly.
– Kevin
Nov 17 '15 at 22:17
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Building a minimal plugin architecture in Python
...ne is, basically, a directory called "plugins" which the main app can poll and then use imp.load_module to pick up files, look for a well-known entry point possibly with module-level config params, and go from there. I use file-monitoring stuff for a certain amount of dynamism in which plugins are a...
What does the “at” (@) symbol do in Python?
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An @ symbol at the beginning of a line is used for class, function and method decorators.
Read more here:
PEP 318: Decorators
Python Decorators
The most common Python decorators you'll run into are:
@property
@classmethod
@staticmethod
If you see an @ in the middle of a line, that's ...
How do I match any character across multiple lines in a regular expression?
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and what if i wanted just a new line and not all characters ?
– Grace
Apr 11 '11 at 12:02
3
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cmake and libpthread
I'm running RHEL 5.1 and use gcc .
3 Answers
3
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