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How do I check if a type is a subtype OR the type of an object?
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If you're trying to do it in a Xamarin Forms PCL project, the above solutions using IsAssignableFrom gives an error:
Error: 'Type' does not contain a definition for 'IsAssignableFrom' and
no extension method 'IsAssignableFrom' accepting a first argument of
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Is there a printf converter to print in binary format?
...p; 0x04 ? '1' : '0'), \
(byte & 0x02 ? '1' : '0'), \
(byte & 0x01 ? '1' : '0')
printf("Leading text "BYTE_TO_BINARY_PATTERN, BYTE_TO_BINARY(byte));
For multi-byte types
printf("m: "BYTE_TO_BINARY_PATTERN" "BYTE_TO_BINARY_PATTERN"\n",
BYTE_TO_BINARY(m>>8), BYTE_TO_BINARY(...
Incrementing a date in JavaScript
...saving time; Clever Human pointed out that it would fail with November 7, 2010 in the Eastern timezone). Instead, Jigar's answer is the correct way to do this without a library:
var tomorrow = new Date();
tomorrow.setDate(tomorrow.getDate() + 1);
This works even for the last day of a month (or ye...
OS X Terminal Colors [closed]
...n the Text subtab and check Display ANSI Colors.
Verified on Sierra (May 2017).
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Why isn't SQL ANSI-92 standard better adopted over ANSI-89?
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According to "SQL Performance Tuning" by Peter Gulutzan and Trudy Pelzer, of the six or eight RDBMS brands they tested, there was no difference in optimization or performance of SQL-89 versus SQL-92 style joins. One can assume that most RDBMS en...
Path of assets in CSS files in Symfony 2
..., and your images in say Resource/public/img.
Change assetic paths to the form 'bundles/mybundle/css/*.css', in your layout.
In config.yml, add rule css_rewrite to assetic:
assetic:
filters:
cssrewrite:
apply_to: "\.css$"
Now install assets and compile with assetic:
$ r...
Is it necessary to explicitly remove event handlers in C#
...vent, the target of that event lives at least as long as the publisher - a form will last as long as the button which is on it, for example. It's worth knowing about this potential issue, but I think some people worry about it when they needn't, because they don't know which way round the references...
How to unstage large number of files without deleting the content
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1010
git reset
If all you want is to undo an overzealous "git add" run:
git reset
Your changes ...
Pick a random element from an array
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edited Aug 1 '19 at 16:01
answered Jun 5 '14 at 5:45
Luc...
How do you make a web application in Clojure? [closed]
...pleasant syntax, feels very cohesive, and looks like it does have great performance. It is also backed by Cognitect (the Clojure/Datomic company where Rich Hickey works).
I found Aleph to present an interesting abstraction, and the built-in backpressure seems interesting. I have yet to play with it...