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Case objects vs Enumerations in Scala

... using a closed type within Scala. I strongly prefer compile time warnings/errors to indicate I have a gap/issue in my code as opposed to having to glean it out of a production runtime exception/failure. In that regard, I set about working with the case object pathway to see if I could produce a ...
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How to change an application icon programmatically in Android?

... Error running app. Default activity not found. – CopsOnRoad Oct 15 '17 at 7:20 1 ...
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Where is svcutil.exe in Windows 7?

...ound whether you jump through all the hoops to get around the installation errors, or you download the ISO, it's just not there. That wasted about 3 hours of my day... thanks MS. Why would they remove it? Don't know. Anyway I was able to install the 6.1 version of the SDK, which still contains s...
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Repeat each row of data.frame the number of times specified in a column

... I get an error: Error in rep(1, freq) : invalid 'times' argument. And given that there is already a data.table answer to this question, you may want to describe how your approach is different or when it is better than the current dat...
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Does anyone still use [goto] in C# and if so why? [closed]

...t for breaking out of many loops where break would not work well (say upon error conditions), and as Kragen said goto is used by the compiler to generate switch statements and some other things as well. share | ...
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How to hide image broken Icon using only CSS/HTML?

...er hiding the image, or replacing the source with a backup. <img src="Error.src" onerror="this.style.display='none'"/> or <img src="Error.src" onerror="this.src='fallback-img.jpg'"/> Update You can apply this logic to multiple images at once by doing something like this: doc...
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Intersection of two lists in Bash

... I just used this in an effort to find usages of a public method error() provided by a trait, in combination with git grep, and it was awesome! I ran $ comm -12 <(git grep -il "\$this->error(" -- "*.php") <(git grep -il "Dash_Api_Json_Response" -- "*.php"), and luckily I ended up ...
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Rails 4 LIKE query - ActiveRecord adds quotes

...ited Feb 13 '17 at 23:08 typeoneerror 49.6k3232 gold badges121121 silver badges209209 bronze badges answered Oct 1 '13 at 0:07 ...
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Upgrading Node.js to latest version

...have Node.js installed and now when I tried to install Mongoosejs I got an error telling me that I don't have the needed version of Node.js (I have v0.4.11 and v0.4.12 is needed). ...
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Why is a ConcurrentModificationException thrown and how to debug it

...e faulty for loop will usually be in the stack-trace, so tracking down the error is usually easy. A trickier case is when your code passes around references to the Collection object. Note that unmodifiable views of collections (such as produced by Collections.unmodifiableList()) retain a reference t...