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Show or hide element in React

...ntended answer and that was neat and 'felt' more react like. However I was unable to set initial states and anything useful on an unmounted component. I am looking at using css to hide things instead. Listeners on unmounted components will silently fail this has caused me big time loss today. ...
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Targeting .NET Framework 4.5 via Visual Studio 2010

... I was unable to figure out how to successfully do step 11, "...create a new solution platform...", but I found that the instructions were successful overall if step 11 is ignored. – Tony Pulokas ...
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How do you copy the contents of an array to a std::vector in C++ without looping?

... Another alternative when unable to construct would be assign: vec.assign(a, a+n), which would be more compact than copy & resize. – mMontu Oct 28 '13 at 17:33 ...
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Do I have to guard against SQL injection if I used a dropdown?

...nts is painful and troublesome, to the point that average PHP user is just unable to endeavor them at all. Thus, if no ORM or some sort of abstraction library is option, then PDO is your only choice. share | ...
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make arrayList.toArray() return more specific types

... AFAIK: This has something to do with Java as a whole, being unable to use generic constructors. So while it knows you need it to convert you an object like String[] or MyObject[], it cannot instantiate it on its own. – user1499731 Apr 18 '13 at 2...
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Git: “Corrupt loose object”

.... When I followed these instructions, though, git status responsed fatal: unable to read <SHA1> even though I had successfully ran git hash-object -w <file> (probably because, per his instructions, I had moved that object file away. Returning it just gave me the same corrupt loose obje...
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How to add a filter class in Spring Boot?

... I added a filter by implementing Filter interface, however Eclipse is unable to find the interface. So I am trying to figure out how to add it to classpath for compiling. – janetsmith Nov 8 '13 at 18:19 ...
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What is an abstract class in PHP?

...roduces abstract classes and methods. Classes defined as abstract , we are unable to create the object ( may not instantiated ) share | improve this answer | follow ...
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Why can't an anonymous method be assigned to var?

...mous method may actually have different method signatures, the compiler is unable to properly infer what the most appropriate type to assign would be. share | improve this answer | ...
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Node.js spawn child process and get terminal output live

...us, it cannot continue until the current line has finished. Therefore it's unable to capture the 'stdout' event until the spawn line has finished. How to use it: var child_process = require('child_process'); var child = child_process.spawnSync("ls", ["-l", "/home"], { encoding : 'utf8' }); conso...