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Why is enum class preferred over plain enum?
...this is usually an int. Also each enumerated type shall be compatible with char or a signed/unsigned integer type.
This is a wide description of what an enum underlying type must be, so each compiler will take decisions on his own about the underlying type of the classic enum and sometimes the resu...
Difference: std::runtime_error vs std::exception()
... not standard. The runtime_error class has a constructor taking arguments (char*) on both platforms, Windows and Linux. To be portable, better use runtime_error.
(And remember, just because a specification of your project says your code does not have to run on Linux, it does not mean it does never ...
Integrating the ZXing library directly into my Android application
......
Navigate to the newly extracted folder and open the core directory and select core.jar ... hit enter!
Now you just have to correct a few errors in the translations and the AndroidManifest.xml file :) Now you can happily compile, and you will now have a working standalone barcode scanner app, b...
How to unescape HTML character entities in Java?
...ally I would like to decode a given Html document, and replace all special chars, such as " " -> " " , ">" -> ">" .
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How to convert a List into a comma separated string without iterating List explicitly [dupli
... public static String join(Object[] array,
char separator)
public static String join(Iterable<?> iterator,
char separator)
Joins the elements of the provided array/iterable into a single String containing the provided list of ...
Which one will execute faster, if (flag==0) or if (0==flag)?
...is a user-defined type. Then it depends on which overload of operator== is selected. Of course it can seem stupid that they would not be symmetric, but it's certainly allowed, and I have seen other abuses already.
If flag is a built-in, then both should take the same speed.
From the Wikipedia arti...
jQuery get textarea text
...e keyup event, but do you know of a way to convert the keycode to an ASCII char? Thanks. :)
– RodgerB
Sep 28 '08 at 0:17
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Change MySQL default character set to UTF-8 in my.cnf?
Currently we are using the following commands in PHP to set the character set to UTF-8 in our application.
18 Answers
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Arrays vs Vectors: Introductory Similarities and Differences [closed]
..., library, operating system). Some APIs will have entry points like strcat(char * dst, char * src), where the dst and src are treated as arrays of characters (even though the function signature implies pointers to characters).
– John Källén
Feb 26 '13 at 0:33...
Apache POI Excel - how to configure columns to be expanded?
...e best way we found was to loop over each row in the col, find the longest char length and multiply by x + add a buffer. X use trial and error to see what fits but it should be a average width of a char. Without font I don't believe you can actually get it right but we get pretty close. Otherwise yo...