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Why historically do people use 255 not 256 for database field magnitudes?
... (and index space) is not because 256 may fit in a page but because 1 byte vs 2 bytes (for millions/billions/trillions rows) makes a big difference.
– ypercubeᵀᴹ
Apr 28 '15 at 13:23
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Is MATLAB OOP slow or am I doing something wrong?
...t. The MATLAB engine's OO internals aren't public. It's not an interpreted vs compiled issue per se - MATLAB has a JIT - but MATLAB's looser typing and syntax may mean more work at run time. (E.g. you can't tell from syntax alone whether "f(x)" is a function call or an index into an array; it depend...
How do I import a specific version of a package using go get?
...sions as repo urls, without actually creating repos. E.g. gopkg.in/yaml.v1 vs gopkg.in/yaml.v2, even though they both live at https://github.com/go-yaml/yaml
gopkg.in/yaml.v1 redirects to https://github.com/go-yaml/yaml/tree/v1
gopkg.in/yaml.v2 redirects to https://github.com/go-yaml/yaml/tree/v2
...
Comparing two files in linux terminal
...rings in each, I benchmarked (with the built-in timecommand) this approach vs some of the other answers here:
git diff --no-index a.txt b.txt
# ~1.2s
comm -23 <(sort a.txt) <(sort b.txt)
# ~0.2s
diff a.txt b.txt
# ~2.6s
sdiff a.txt b.txt
# ~2.7s
vimdiff a.txt b.txt
# ~3.2s
comm seems to...
How to get the URL of the current page in C# [duplicate]
...RL with query string.
http://msdn.microsoft.com/en-us/library/cc668201%28v=vs.100%29.aspx
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How to set layout_weight attribute dynamically from code?
...y run into a whole lot of other problems before worrying about FILL_PARENT vs. MATCH_PARENT.
– Simon Forsberg
Feb 24 '14 at 21:26
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show 2 m...
Using MVC HtmlHelper extensions from Razor declarative views
...fix this in the next version of Razor? I noticed this is still an issue in VS 11 Beta.
– Omar
Mar 4 '12 at 4:43
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Purpose of returning by const value? [duplicate]
...urning by const-value means const &&, but is it really true?! e.g. VS13 allows me to bind int&& var= to a function which returns const int. "The result of calling a function whose return type is not a reference is a prvalue".
– Karlis Olte
May 3...
Import error: No module name urllib2
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Some tab completions to show the contents of the packages in Python 2 vs Python 3.
In Python 2:
In [1]: import urllib
In [2]: urllib.
urllib.ContentTooShortError urllib.ftpwrapper urllib.socket urllib.test1
urllib.FancyURLopener urllib.getpro...
Convert string to variable name in JavaScript
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As far as eval vs. global variable solutions...
I think there are advantages to each but this is really a false dichotomy.
If you are paranoid of the global namespace just create a temporary namespace & use the same technique.
var tem...