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“On-line” (iterator) algorithms for estimating statistical median, mode, skewness, kurtosis?

...wness, and/or kurtosis of set of values, but that does NOT require storing all the values in memory at once? 13 Answers ...
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Simplest two-way encryption using PHP

What is the simplest way of doing two way encryption in common PHP installs? 6 Answers ...
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Docker and securing passwords

... A default installation of docker (on linux) requires sudoer privileges to run docker inspect. If the attacker can already sudo, snatching your password out of docker inspect is probably pretty low on your list of things that can now go wr...
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How to detect user inactivity in Android

... Selects Session Timeout to be 5 mins. Does some operations on the app. (all in foreground) Now User bring Myapp to background and starts some other app. ----> Count down timer starts and logs out user after 5 mins OR user turns the screen OFF. ----> Count down timer starts and logs ou...
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Understanding scala enumerations

...er Value representing the individual elements of the enumeration (it's actually an inner class, but the difference doesn't matter here). Thus object WeekDay inherits that type member. The line type WeekDay = Value is just a type alias. It is useful, because after you import it elsewhere with import...
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Javascript AES encryption [closed]

...'s a demonstration page that uses slowAES. slowAES was easy to use. Logically designed. Reasonable OO packaging. Supports knobs and levers like IV and Encryption mode. Good compatibility with .NET/C#. The name is tongue-in-cheek; it's called "slow AES" because it's not implemented in C++. But...
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Saving a Numpy array as an image

... Remember to scale the values to the right range for PNG, usually 0..255. The value ranges in neural networks are frequently 0..1 or -1..1. – Tomáš Gavenčiak Mar 31 '18 at 18:49 ...
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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

... .rehash = udp_v4_rehash, .get_port = udp_v4_get_port, .memory_allocated = &udp_memory_allocated, .sysctl_mem = sysctl_udp_mem, .sysctl_wmem = &sysctl_udp_wmem_min, .sysctl_rmem = &sysctl_udp_rmem_min, .obj_size = sizeof(struct udp_sock), .h.udp_table = &udp_tab...
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Which commit has this blob?

... scripts take the blob’s SHA1 as the first argument, and after it, optionally, any arguments that git log will understand. E.g. --all to search in all branches instead of just the current one, or -g to search in the reflog, or whatever else you fancy. Here it is as a shell script – short and sw...
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How do you add a Dictionary of items into another Dictionary

...n drop the @assignment and return, you're already mutating left. Edit: actually, even though I get no errors, I think @assignment should stay. – Roland Jun 9 '14 at 12:02 ...