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this.setState isn't merging states as I would expect
...gt; _.merge({}, previousState, { selected: { name: "Barfood"} }), () => alert(this.state.selected));
I used merge because extend discards the other properties otherwise.
React Immutability example:
import update from "react-addons-update";
this.setState((previousState) => update(previousS...
Configure Microsoft.AspNet.Identity to allow email address as username
...was easy to use. I enjoyed using the configuration website accessible from VS for it..
– The Muffin Man
Jan 19 '14 at 1:46
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How do I run a batch script from within a batch script?
How do I call another batch script from within a batch script?
8 Answers
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Mixed mode assembly is built against version ‘v2.0.50727′ of the runtime
... needs to be in a file sgen.exe.config, next to sgen.exe. For example, for VS 2015, create C:\Program Files (x86)\Microsoft SDKs\Windows\v10.0A\bin\NETFX 4.6 Tools\sgen.exe.config. Minimum file contents: <configuration><startup useLegacyV2RuntimeActivationPolicy="true"/></configuratio...
What's the best way to determine the location of the current PowerShell script?
Whenever I need to reference a common module or script, I like to use paths relative to the current script file. That way, my script can always find other scripts in the library.
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Uncaught ReferenceError: $ is not defined?
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You should put the references to the jquery scripts first.
<script language="JavaScript" type="text/javascript" src="/js/jquery-1.2.6.min.js"></script>
<script language="JavaScript" type="text/javascript" src="/js/jquery-ui-personalized-1.5.2.packed.js...
How to make a JSONP request from Javascript without JQuery?
Can I make a cross-domain JSONP request in JavaScript without using jQuery or other external library? I would like to use JavaScript itself and then parse the data and make it an object so I could use it. Do I have to use an external library? If not, how can I do it?
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How to check for an undefined or null variable in JavaScript?
...quality will also return true for undefined.
if (window.variable == null) alert('variable is null or undefined');
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When to use EntityManager.find() vs EntityManager.getReference() with JPA
I have come across a situation (which I think is weird but is possibly quite normal) where I use the EntityManager.getReference(LObj.getClass(), LObj.getId()) to get a database entity and then pass the returned object to be persisted in another table.
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How to compare versions in Ruby?
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@uliwitness it's not Ruby 1.x vs 2.x; it's 1.8.x vs 1.9+. Ruby through 1.8.x doesn't include rubygems by default; you need a require 'rubygems' to get access to the Gem namespace. From 1.9 on, however, it's automatically included.
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