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How can I reset a react component including all transitively reachable state?
I occasionally have react components that are conceptually stateful which I want to reset. The ideal behavior would be equivalent to removing the old component and readding a new, pristine component.
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Automatically add newline at end of curl response body
...oying condition where the shell prompt is in the middle of the line, and escaping is messed up enough that when I put the last curl command on the screen, deleting characters from that curl command deletes the wrong characters.
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How to switch a user per task or set of tasks?
...s that I often must execute a command with sudo privileges ( sudo: yes ) because I'd like to do it for a certain user. Ideally I'd much rather use sudo to switch to that user and execute the commands normally. Because then I won't have to do my usual post commands clean up such as chowning directori...
Creating an instance of class
...lization (it doesn't apply here).
/* 2 */ Foo* foo2 = new Foo;
Identical to before, because Foo is not a POD type.
/* 3 */ Foo foo3;
Creates a Foo object called foo3 in automatic storage.
/* 4 */ Foo foo4 = Foo::Foo();
Uses copy-initialization to create a Foo object called foo4 in ...
URL-parameters and logic in Django class-based views (TemplateView)
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Technically you shouldn't since they are at the class level and are class variables. As for the NameError, where are you trying to do year = self.kwargs['year']? You should be doing it in a method, you can't do it at the class leve...
What is the difference between children and childNodes in JavaScript?
...f type Element. 2
However, .childNodes is a property of Node. .childNodes can contain any node. 3
A concrete example would be:
let el = document.createElement("div");
el.textContent = "foo";
el.childNodes.length === 1; // Contains a Text node child.
el.children.length === 0; // No Element chil...
Show pop-ups the most elegant way
... AngularJS modals so far I believe that the most elegant approach is a dedicated service to which we can provide a partial (HTML) template to be displayed in a modal.
When we think about it modals are kind of AngularJS routes but just displayed in modal popup.
The AngularUI bootstrap project (htt...
Why does Environment.Exit() not terminate the program any more?
...plements the Visual Styles theming API and is used by this test program. I can't be sure, but my money is on that one as the source of the problem. The copy in C:\WINDOWS\system32 has version number 6.2.9200.16660, created on August 14th, 2013 on my machine.
Case closed.
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Comparing boxed Long values 127 and 128
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TL;DR
Java caches boxed Integer instances from -128 to 127. Since you are using == to compare objects references instead of values, only cached objects will match. Either work with long unboxed primitive values or use .equals() to compa...
Database cluster and load balancing
...r a cluster having two or more servers share the same storage, some others call a cluster a set of replicated servers.
Replication defines the method by which a set of servers remain synchronized without having to share the storage being able to be geographically disperse, there are two main ways o...