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Orchestration vs. Choreography
...reography
Reliability: Orchestration platforms have built-in support for error handling and transaction management (compensating transactions). In choreography, custom-developed workflow and error handling tends to be more error-prone.
Modifiability: Creating and changing process workflows and com...
Check Whether a User Exists
...he code
echo 'user found'
else
echo 'user not found' >&2 # error messages should go to stderr
fi
exit $code # set the exit code, ultimately the same set by `id`
share
|
improve thi...
Why does C++ need a separate header file?
...for backwards compatibility.
Today, it makes no sense. It is inefficient, error-prone and overcomplicated. There are far better ways to separate interface and implementation, if that was the goal.
However, one of the proposals for C++0x was to add a proper module system, allowing code to be compil...
Track the time a command takes in UNIX/LINUX?
...e builtin overrides that. If I do time -f "\t%E real" ls in bash, I get an error, but it works if I do /usr/bin/time -f "\t%E real" ls.
– Ben Crowell
Jun 17 '17 at 15:24
1
...
Run task only if host does not belong to a group
... +1 and if you don't include the surrounding quote you get the error: This one looks easy to fix. It seems that there is a value started with a quote, and the YAML parser is expecting to see the line ended with the same kind of quote.
– Peter Ajtai
...
Windows batch script launch program and exit console
... Please could you also extend your example on how to redirect the standard error and standar output of the application which is started?
– Starfish
Apr 13 '17 at 9:39
...
What is the advantage of using heredoc in PHP? [closed]
...widgets"
SQL;
To me this has a lower probability of introducing a syntax error than using quotes:
$sql = "
select *
from $tablename
where id in [$order_ids_list]
and product_name = \"widgets\"
";
Another point is to avoid escaping double quotes in your string:
$x = "The point of the \"ar...
Apache is downloading php files instead of displaying them
...tion: I assume that you have installed PHP5 already and still getting this error.
$ sudo su
$ a2enmod php5
This is it.
But If you are still getting the error :
Config file php5.conf not properly enabled: /etc/apache2/mods-enabled/php5.conf is a real file, not touching it
then do the following...
How to force a html5 form validation without submitting it via jQuery
...checkValidity(); // returns true/false
If you want to display the native error messages that some browsers have (such as Chrome), unfortunately the only way to do that is by submitting the form, like this:
var $myForm = $('#myForm');
if(! $myForm[0].checkValidity()) {
// If the form is invalid...
Array to Hash Ruby
...try this method with a large array, it will fill up the stack and cause an error (an error along the same lines as a stack overflow).
– Ben Lee
Mar 13 '14 at 0:02
...