Apr 15, 2016 · The empty default constructor like Widget() {}; is seen as a user defined default constructor, while Widget() = default; is not. This leads to default initialization in the former …

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Jan 6, 2010 · FOO="${VARIABLE:-default}" # FOO will be assigned 'default' value if VARIABLE not set or null. # The value of VARIABLE remains untouched. To do the same, as well as …

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Dec 5, 2012 · Is it possible to set default values for some struct member? I tried the following but, it'd cause syntax error: typedef struct { int flag = 3; } MyStruct; Errors: $ gcc -o testIt test.c test....

Dec 11, 2010 · I see some code will return the default value, so I am wondering for a user defined class, how will the compiler define its default value?

Jan 11, 2011 · As far as i see it the answer is 'default' is optional, saying a switch must always contain a default is like saying every 'if-elseif' must contain a 'else'. If there is a logic to be …

The case statements and the default statement can occur in any order in the switch statement. The default clause is an optional clause that is matched if none of the constants in the case …

In order for a column to have a default value, it needs a "default constraint", and this command will add that. You can name the constraint whatever you like, Management Studio usually …

this.value = default!; as I saw in a different question here, then it compiles just fine. But I don't understand what the ! is doing here, and it's pretty hard to google, since google seems to …