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“X does not name a type” error in C++

...is is okay, it's just a pointer; // we can point to something without knowing how that something is defined foo* fp; // likewise, we can form a reference to it void some_func(foo& fr); // but this would be an error, as before, because it requires a definition /* foo fo...
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Can Android Studio be used to run standard Java projects?

...and click Next. Fill in the package name, etc and click Finish. You should now see a Java module inside your Android project. Add your code to the Java module you've just created. Click on the drop down to the left of the run button. Click Edit Configurations... In the new window, click on the plus ...
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GetHashCode Guidelines in C#

...rate with hash tables" or similar. Like most things, GetHashCode is about knowing when to break the rules. share | improve this answer | follow | ...
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Recommended way to get hostname in Java

... Not quite the answer I was hoping for but now I know how to ask a better question, thanks. – Sam Hasler Oct 19 '11 at 14:21 3 ...
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Strings in a DataFrame, but dtype is object

... can I get datatype returned as string, somehow. I know I can always use type(df["column"].iloc[0]), but it may so happen that it is nan – user1953366 Apr 28 '19 at 8:12 ...
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Android ADB device offline, can't issue commands

...@spartacus I don't think so I would think that the problem for you may lie now elsewhere. – hack_on Jun 29 '13 at 8:07 ...
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How can I create download link in HTML?

... This answer is outdated. We now have the download attribute. (see also this link to MDN) If by "the download link" you mean a link to a file to download, use <a href="http://example.com/files/myfile.pdf" target="_blank">Download</a> t...
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About Java cloneable

... The first thing you should know about Cloneable is - don't use it. It is very hard to implement cloning with Cloneable right, and the effort is not worth it. Instead of that use some other options, like apache-commons SerializationUtils (deep-clone) o...
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PHP append one array to another (not array_push or +)

...', 'b'); $b = array('c', 'd'); $merge = array_merge($a, $b); // $merge is now equals to array('a','b','c','d'); Doing something like: $merge = $a + $b; // $merge now equals array('a','b') Will not work, because the + operator does not actually merge them. If they $a has the same keys as $b, it...
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Using Laravel Homestead: 'no input file specified'

...ou need to have your homestead.yaml file settings correct. If you want to know how its done follow Jeffery Way tutorial on homestead 2.0 https://laracasts.com/lessons/say-hello-to-laravel-homestead-two. Now to fix Input not specified issue you need to ssh into homestead box and type serve domain...