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Android Studio: Android Manifest doesn't exists or has incorrect root tag
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What helped for me was:
delete .gradle/ folder
delete .idea/ folder
delete ****.idea*** file
reopen Android Studio
import from gradle as Android Studio then suggests
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One DbContext per web request… why?
... echoing Ian: Having a single DbContext for the whole application is a Bad Idea. The only situation where this makes sense is when you have a single-threaded application and a database that is solely used by that single application instance. The DbContext is not thread-safe and and since the DbConte...
Change project name on Android Studio
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You can change the name that is shown in the title bar in the file ".idea/.name".
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Convert JSON String to Pretty Print JSON output using Jackson
...two three lines. I have updated the question, maybe you will get some more idea what's happening now.
– arsenal
Jan 26 '13 at 3:09
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__lt__ instead of __cmp__
... code that isn't there -- whence Python's principle that there ought to be ideally one obvious way to perform a task (C has the same principle in the "Spirit of C" section of the ISO standard, btw).
This doesn't mean we go out of our way to prohibit things (e.g., near-equivalence between mixins and...
How to remove the underline for anchors(links)?
...t;/a>
Of course, mixing CSS with HTML (i.e. inline CSS) is not a good idea, especially when you are using a tags all over the place.
That's why it's a good idea to add this to a stylesheet instead:
a {
text-decoration: none;
}
Or even this code in a JS file:
var els = document.getElemen...
How do I prevent site scraping? [closed]
... if they use different technologies and methods.
These tips mostly my own ideas, various difficulties that I've encountered while writing scrapers, as well as bits of information and ideas from around the interwebs.
How to stop scraping
You can't completely prevent it, since whatever you do, det...
When to use MyISAM and InnoDB? [duplicate]
MyISAM is designed with the idea that your database is queried far more than its updated and as a result it performs very fast read operations. If your read to write(insert|update) ratio is less than 15% its better to use MyISAM.
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Can someone explain mappedBy in JPA and Hibernate?
... traverse from either direction. mappedBy is the recommended way to go about it, however, I couldn't understand it. Can someone explain:
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Android Studio says “cannot resolve symbol” but project compiles
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No idea if this will work or not but my only thought so far: right click the jar file in file tree within AS and select "Add as library..."
EDIT: You can do "File" -> "Invalidate Caches...", and select "Invalidate and Restar...