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What is the use of “ref” for reference-type variables in C#?
...value, by reference (ref), and by output (out).
Here's an important quote from that page in relation to ref parameters:
Reference parameters don't pass the
values of the variables used in the
function member invocation - they use
the variables themselves. Rather than
creating a new stor...
Design Patterns web based applications [closed]
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@masato: by the way, if you'd like to retrieve them from web.xml, then you could use a ServletContextListener for this. Have the factory implement it (and register as <listener> in web.xml) and do the filling job during contextInitialized() method.
–...
Multiple levels of 'collection.defaultdict' in Python
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Use:
from collections import defaultdict
d = defaultdict(lambda: defaultdict(int))
This will create a new defaultdict(int) whenever a new key is accessed in d.
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Is a url query parameter valid if it has no value?
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The isindex magic name from HTML5 allows sending a query string without key-value format stackoverflow.com/a/37579004/895245
– Ciro Santilli 郝海东冠状病六四事件法轮功
Jun 1 '16 at 21:23
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TypeScript with KnockoutJS
...any): Computed;
};
}
Put it in "Knockout.d.ts" and then reference it from your own files. As you can see, it would benefit greatly from generics (which are coming according to the specs).
I only made a few interfaces for ko.observable(), but ko.computed() and ko.observableArray() can be easil...
Error handling in getJSON calls
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Here's my addition.
From http://www.learnjavascript.co.uk/jq/reference/ajax/getjson.html and the official source
"The jqXHR.success(), jqXHR.error(), and jqXHR.complete() callback
methods introduced in jQuery 1.5 are deprecated as of jQuery 1.8...
Can't connect Nexus 4 to adb: unauthorized
...kill-server part didn't work and you may need to kill all instances of adb from your task manager/activity monitor.
– Danny Parker
Jan 27 '14 at 14:31
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How do I create a directory from within Emacs?
...create directories in Emacs. The best answer I found was in another thread from a few years later. The answer from Victor Deryagin was exactly what I was looking for. Adding that code to your .emacs will make Emacs prompt you to create the directory when you go to save the file.
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Nginx no-www to www and www to no-www
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HTTP Solution
From the documentation, "the right way is to define a separate server for example.org":
server {
listen 80;
server_name example.com;
return 301 http://www.example.com$request_uri;
}
server {
lis...
With Git, how do I turn off the “LF will be replaced by CRLF” warning
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will turning off the warning prevent git from replacing lf by crlf? @chronial
– aidonsnous
Sep 29 '16 at 11:05
3
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