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NullPointerException in Java with no StackTrace

...a NullPointerException , but when I try to log the StackTrace (which basically ends up calling Throwable.printStackTrace() ), all I get is: ...
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Send inline image in email

... @Eric: there was a small issue in this code. in the mail.body just use att.ContentId instead of inline.ContentId – Amir May 11 '19 at 4:51 ...
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Direct casting vs 'as' operator?

... tend to almost never use 2 since if something is not the right type, I usually expect an exception to occur. I have only seen a need for this return-null type of functionality with badly designed libraries which use error codes (e.g. return null = error, instead of using exceptions). 3 is not a ca...
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Xcode Debugger: view value of variable

...reached during the execution of your program you will see on the left side all your variables available at that breakpoint. You can expand the left arrows on the variable for a greater detail. And even use the search field to isolate that variable you want and see it change on real time as you "S...
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linq where list contains any in list

... Sounds like you want: var movies = _db.Movies.Where(p => p.Genres.Intersect(listOfGenres).Any()); share | improve this answer | fo...
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Convert camelCaseText to Sentence Case Text

... Alternatively using lodash: lodash.startCase(str); Example: _.startCase('helloThere'); // ➜ 'Hello There' Lodash is a fine library to give shortcut to many everyday js tasks.There are many other similar string manipulation functions such as camelCase, kebabCase etc. ...
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NSDictionary - Need to check whether dictionary contains key-value pair or not

...uldn't we mistakenly think that the key isn't present in the dictionary at all? – jbx72487 Feb 1 '13 at 18:51 13 ...
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LINQ to SQL: Multiple joins ON multiple Columns. Is this possible?

...the same. The names part is a gotcha. This example won't compile even if all columns are varchars join T2 in db.tbl2 on new { T1.firstName, T1.secondName } equals new { T2.colFirst, T2.colSecond }. If you change it to this, it will compile however, join T2 in db.tbl2 on new { N1 = T1.firstName, N...
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Python super() raises TypeError

...You have to design any methods that need to multiply-inherit (most notably __init__) to pass through arguments in a clean and sensible way, otherwise you'll get TypeErrors or worse debugging problems when someone tries to multiply-inherit using your class. Unless you've really designed to support MI...
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Catch Ctrl-C in C

...ote this answer seven years ago. Yes, language standards change. If you really must better the world, please add your new answer but leave mine as is. As the answer has my name on it, I'd prefer it to contain my words too. Thank you. ...