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Simple way to create matrix of random numbers
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When you say "a matrix of random numbers", you can use numpy as Pavel https://stackoverflow.com/a/15451997/6169225 mentioned above, in this case I'm assuming to you it is irrelevant what distribution these (pseudo) random numbers adhere to.
However, if you require a particular distribution (I ...
Location Services not working in iOS 8
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According to the Apple docs:
https://developer.apple.com/documentation/corelocation/requesting_permission_to_use_location_services
https://developer.apple.com/documentation/corelocation/cllocationmanager/1620562-requestwheninuseauthorization
As of iOS ...
iOS 7 style Blur view
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I am using FXBlurView which works great on iOS5+
https://github.com/nicklockwood/FXBlurView
CocoaPods:
-> FXBlurView (1.3.1)
UIView subclass that replicates the iOS 7 realtime background blur effect, but works on iOS 5 and above.
pod 'FXBlurView', '~> 1.3.1'
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Long vs Integer, long vs int, what to use and when?
...ent (even unclear) memory-sizes of the primitive types:
Java - all clear: https://docs.oracle.com/javase/tutorial/java/nutsandbolts/datatypes.html
byte, char .. 1B .. 8b
short int .. 2B .. 16b
int .. .. .. .. 4B .. 32b
long int .. 8B .. 64b
C .. just mess: https://en.wikipedia.org/wiki/C_data_...
What is the difference between user and kernel modes in operating systems?
...a bare metal setup that should be a good way to manipulate rings directly: https://github.com/cirosantilli/x86-bare-metal-examples
I didn't have the patience to make a userland example unfortunately, but I did go as far as paging setup, so userland should be feasible. I'd love to see a pull request...
In-memory size of a Python structure
... "How big is this complex object in memory?"
There's a great answer here: https://goshippo.com/blog/measure-real-size-any-python-object/
The punchline:
import sys
def get_size(obj, seen=None):
"""Recursively finds size of objects"""
size = sys.getsizeof(obj)
if seen is None:
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Converting Symbols, Accent Letters to English Alphabet
...mmons.lang3.StringUtils.stripAccents("Añ");
returns An
Also see http://www.drillio.com/en/software-development/java/removing-accents-diacritics-in-any-language/
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How to clear https proxy setting of NPM?
... of the above helped me, but this did:
npm config rm proxy
npm config rm https-proxy
Source: http://jonathanblog2000.blogspot.ch/2013/11/set-and-reset-proxy-for-git-and-npm.html
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How does OAuth 2 protect against things like replay attacks using the Security Token?
...ally passwords, and the whole thing is secured only by the security of the https connection.
OAuth 2 has no protection against replay attacks of the Security Token or the Secret. Instead, it relies entirely on Site B being responsible with these items and not letting them get out, and on them being...
What's so wrong about using GC.Collect()?
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' release all the Excel COM objects referenced indirectly.
' Ref: http://www.informit.com/articles/article.aspx?p=1346865&seqNum=5
' Ref: http://support.microsoft.com/default.aspx?scid=KB;EN-US;q317109
GC.Collect()
GC.WaitForPendingFinalizers()
GC.Collect()
GC.WaitForPendingFinalizers()
So w...