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DBMS_OUTPUT.PUT_LINE not printing

... DBMS_OUTPUT.PUT_LINE('a.firstName' || 'a.lastName'); means to print the string as it is.. remove the quotes to get the values to be printed.So the correct syntax is DBMS_OUTPUT.PUT_LINE(a.firstName || a.lastName); shar...
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Android multiple email attachments using Intent

... contains multiple attachments. public static void email(Context context, String emailTo, String emailCC, String subject, String emailText, List<String> filePaths) { //need to "send multiple" to get more than one attachment final Intent emailIntent = new Intent(Intent.ACTION_SEND_...
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Size of character ('a') in C/C++

What is the size of character in C and C++ ? As far as I know the size of char is 1 byte in both C and C++. 4 Answers ...
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What is the difference between #include and #include “filename”?

...in a single textual library file (similar to a unix archive), and used the string between the < and > as the key to index into the library. – Adrian McCarthy Feb 15 '17 at 23:14 ...
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What's the point of 'const' in the Haskell Prelude?

... Say you want to create a list of Nothings equal to the length of a string. As const returns its first argument, no matter the second, you can do: listOfNothings :: String -> [Maybe Char] listOfNothings = (map . const) Nothing or, more explicitly: listOfNothing st = map (const Nothing)...
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Do fragments really need an empty constructor?

...ndle) For example: public static final MyFragment newInstance(int title, String message) { MyFragment f = new MyFragment(); Bundle bdl = new Bundle(2); bdl.putInt(EXTRA_TITLE, title); bdl.putString(EXTRA_MESSAGE, message); f.setArguments(bdl); return f; } And of course gr...
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Flatten nested dictionaries, compressing keys

...y = parent_key + sep + k if parent_key else k assumes that keys are always strings, otherwise it will raise TypeError: cannot concatenate 'str' and [other] objects. However, you could fix that by simply coercing k to string (str(k)), or concatenating keys into a tuple instead of a string (tuples can...
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How do I read an entire file into a std::string in C++?

How do I read a file into a std::string , i.e., read the whole file at once? 15 Answers ...
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Setting custom UITableViewCells height

...e views to be displayed. There is one label in the cell whose text is a NSString object and the length of string could be variable. Due to this, I cannot set a constant height to the cell in the UITableView 's heightForCellAtIndex method. The cell's height depends on the label's height which ca...
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Input text dialog Android

... like a text Dialog to appear and I would like to store the result in a String . I'd like the text Dialog to overlay the current screen. How can I do this? ...