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Why does the is operator return false when given null?
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http://msdn.microsoft.com/en-us/library/scekt9xw%28v=vs.71%29.aspx
An is expression evaluates to true if both of the following conditions
are met:
expression is not null.
expression can be cast to type. That is, a cast expression of the
form (type (expression)...
How to do version numbers? [closed]
...se early, release often" doesn't cut it there...
– DevSolar
Mar 5 '09 at 16:07
For customers, there is only x.y or jus...
Swift native base class or NSObject
...though I'd be happy if they moved to the compiler as-in Garbage Collection vs ARC. . . I've heard it said that static dispatch allows for better branch prediction (and thus performance) on multi-core sytems. True?
– Jasper Blues
Apr 23 '15 at 3:44
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Is there a better alternative than this to 'switch on type'?
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Switching on types is definitely lacking in C# (UPDATE: in C#7 / VS 2017 switching on types is supported - see Zachary Yates's answer below). In order to do this without a large if/else if/else statement, you'll need to work with a different structure. I wrote a blog post awhile back detai...
How can I count text lines inside an DOM element? Can I?
...ixels is generally considered a bad thing. astahost.com/Sizes-Webdesign-Em-Vs-Px-t8926.html
– annakata
Apr 24 '09 at 8:35
6
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Create a shortcut on Desktop
...where # is the icon index. See msdn.microsoft.com/en-us/library/xsy6k3ys(v=vs.84).aspx
– Chris
Mar 22 '16 at 21:15
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Is it possible to perform a 'grep search' in all the branches of a Git project?
...st the last arguments depending on whether you want to only look at remote vs. local branches, i.e.:
git grep -i foo $(git for-each-ref --format='%(refname)' refs/remotes)
git grep -i foo $(git for-each-ref --format='%(refname)' refs/heads)
The alias I created looks like this:
grep-refs = !sh -...
HTML 5: Is it , , or ?
...founding goal of HTML5 as I recall. Perhaps I missed something on the HTML vs. XHTML document at whatwg.org, or the W3C Polyglot Markup: A robust profile of the HTML5 vocabulary at W3C.
– Basil Bourque
Aug 5 '18 at 0:57
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Are “elseif” and “else if” completely synonymous?
... try and follow as much of PSR-2 as you can.
There's a comment on else if vs elseif in PSR-2:
The keyword elseif SHOULD be used instead of else if so that all
control keywords look like single words.
https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-2-coding-style-guide.md#5...
Why compile Python code?
... explaining the differences http://julipedia.blogspot.com/2004/07/compiled-vs-interpreted-languages.html
And here's an entry that explains the Python compile process http://effbot.org/zone/python-compile.htm
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