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Which iomanip manipulators are 'sticky'?
...there are requirements on formatted output operations to explicitly .width(0) the output stream.
The following is the discussion that lead to the above conclusion:
Looking at the code the following manipulators return an object rather than a stream:
setiosflags
resetiosflags
setbase
setfill
se...
Proper way to return JSON using node or Express
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10 Answers
10
Active
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What is the IntelliJ shortcut key to create a javadoc comment?
...tual stub
– Ghilteras
Jun 11 '19 at 0:06
@RachelGallen Could assist with this stackoverflow.com/q/61094391/2810718
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Can I change the name of `nohup.out`?
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430
nohup some_command &> nohup2.out &
and voila.
Older syntax for Bash version <...
How SignalR works internally?
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splattne
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answered Oct 24 '11 at 10:37
davidfowldavidfowl
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running Rails console in production
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if you're running rails 3.0 or greater, you can also use
rails console production
production can of course be substituted with development or test (value is development by default)
Adding the option --sandbox makes it so that any changes you make...
Passing a 2D array to a C++ function
...o pass a 2D array to a function:
The parameter is a 2D array
int array[10][10];
void passFunc(int a[][10])
{
// ...
}
passFunc(array);
The parameter is an array containing pointers
int *array[10];
for(int i = 0; i < 10; i++)
array[i] = new int[10];
void passFunc(int *a[10]) //Array c...
Best way to check if a URL is valid
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305
You can use a native Filter Validator
filter_var($url, FILTER_VALIDATE_URL);
Validates va...
How to exclude specific folders or files from validation in Eclipse?
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answered Feb 16 '10 at 10:58
user159088user159088
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How to modify a global variable within a function in bash?
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var="$(myfunc)"
echo "$var"
Gives:
Hello
For a numerical value from 0-255, you can use return to pass the number as the exit status:
mysecondfunc() {
echo "Hello"
return 4
}
var="$(mysecondfunc)"
num_var=$?
echo "$var - num is $num_var"
Gives:
Hello - num is 4
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