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Slicing of a NumPy 2d array, or how do I extract an mxm submatrix from an nxn array (n>m)?

...of that array (i.e. without any pattern in the numbers of rows/columns), making it a new, mxm array. For this example let us say the array is 4x4 and I want to extract a 2x2 array from it. ...
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TypeScript function overloading

Section 6.3 of the TypeScript language spec talks about function overloading and gives concrete examples on how to implement this. However if I try something like this: ...
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What is SaaS, PaaS and IaaS? With examples

...tructure, physical or (quite often) virtual machines and other resources like virtual-machine disk image library, block and file-based storage, firewalls, load balancers, IP addresses, virtual local area networks etc. Examples: Amazon EC2, Windows Azure, Rackspace, Google Compute Engine. PaaS (Pla...
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warning about too many open figures

...cla on your figure object instead of creating a new figure. From @DavidZwicker Assuming you have imported pyplot as import matplotlib.pyplot as plt plt.cla() clears an axis, i.e. the currently active axis in the current figure. It leaves the other axes untouched. plt.clf() clears the entire cur...
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What is the difference between using IDisposable vs a destructor in C#?

... A finalizer (aka destructor) is part of garbage collection (GC) - it is indeterminate when (or even if) this happens, as GC mainly happens as a result of memory pressure (i.e. need more space). Finalizers are usually only used for cleaning...
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How do I add custom field to Python log format string?

...r(syslog) logger = logging.LoggerAdapter(logger, extra) logger.info('The sky is so blue') logs (something like) 2013-07-09 17:39:33,596 Super App : The sky is so blue Filters can also be used to add contextual information. import logging class AppFilter(logging.Filter): def filter(self...
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How can I match multiple occurrences with a regex in JavaScript similar to PHP's preg_match_all()?

I am trying to parse url-encoded strings that are made up of key=value pairs separated by either & or & . 1...
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Python's os.makedirs doesn't understand “~” in my path

... Peter Mortensen 26.5k2121 gold badges9292 silver badges122122 bronze badges answered Jan 13 '10 at 13:55 SilentGhostSilen...
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Why is a “GRANT USAGE” created the first time I grant a user privileges?

...ng a user a privilege for the first time, another grant is created that looks like 3 Answers ...
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More than 10 lines in a node.js stack error?

Is there a way to get more than 10 lines in a node.js stack error? 4 Answers 4 ...