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 case, while value initialization in the latter, in definitions involving the form Widget w = new Widget(), Widget w{} etc.
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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 assign default to VARIABLE:
The question is: since a default value is specified, is it necessary to also specify that the column should not accept NULL s? In other words, doesn't DEFAULT render NOT NULL redundant?
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....
When you allow Google Photos to share access with your device’s default gallery app: You give Google Photos permission to share account information, like your email address and Google Photos auto-backup status from your device’s default gallery app. You can access all photos backed up to Google Photos in your device’s default gallery app.
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 ignore punctuation in most cases. What does default! do?
