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When should I use jQuery deferred's “then” method and when should I use the “pipe” method?
...
Since jQuery 1.8 .then behaves the same as .pipe:
Deprecation Notice: As of jQuery 1.8, the deferred.pipe() method is deprecated. The deferred.then() method, which replaces it, should be used instead.
and
As of jQuery 1.8, the deferred.then...
What Does 'Then' Really Mean in CasperJS
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then() basically adds a new navigation step in a stack. A step is a javascript function which can do two different things:
waiting for the previous step - if any - being executed
waiting for a requested url and related pag...
How do I perform an IF…THEN in an SQL SELECT?
How do I perform an IF...THEN in an SQL SELECT statement?
30 Answers
30
...
TSQL - Cast string to integer or return default value
...ECLARE @I bigint =
CASE
WHEN CHARINDEX('.', @Value) > 0 THEN CONVERT(bigint, PARSENAME(@Value, 2))
ELSE CONVERT(bigint, @Value)
END
IF ABS(@I) > 2147483647 RETURN NULL
RETURN @I
END
GO
-- Testing
DECLARE @Test TABLE(Value nvarchar(50)) -- Result
INSE...
Using success/error/finally/catch with Promises in AngularJS
... in error.
}
The promisified version is very similar:
$http.get("url").
then(someProcessingOf).
catch(function(e){
console.log("got an error in initial processing",e);
throw e; // rethrow to not marked as handled,
// in $q it's better to `return $q.reject(e)` here
}).then(funct...
How to tell if a string is not defined in a Bash shell script
...ther VAR is set but empty or not set, you can use:
if [ -z "${VAR+xxx}" ]; then echo VAR is not set at all; fi
if [ -z "$VAR" ] && [ "${VAR+xxx}" = "xxx" ]; then echo VAR is set but empty; fi
You probably can combine the two tests on the second line into one with:
if [ -z "$VAR" -a "${VAR+x...
SQL Server query to find all permissions/access for all users in a database
...
SELECT
[UserName] = CASE princ.[type]
WHEN 'S' THEN princ.[name]
WHEN 'U' THEN ulogin.[name] COLLATE Latin1_General_CI_AI
END,
[UserType] = CASE princ.[type]
WHEN 'S' THEN 'SQL User'
WHEN 'U'...
How can I declare and use Boolean variables in a shell script?
...true
# ...do something interesting...
if [ "$the_world_is_flat" = true ] ; then
echo 'Be careful not to fall off!'
fi
Original Answer
Caveats: https://stackoverflow.com/a/21210966/89391
the_world_is_flat=true
# ...do something interesting...
if $the_world_is_flat ; then
echo 'Be carefu...
Wait for all promises to resolve
... I want the all to resolve when all the chains have been resolved.
Sure, then just pass the promise of each chain into the all() instead of the initial promises:
$q.all([one.promise, two.promise, three.promise]).then(function() {
console.log("ALL INITIAL PROMISES RESOLVED");
});
var onechain...
What command means “do nothing” in a conditional in Bash?
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The no-op command in shell is : (colon).
if [ "$a" -ge 10 ]
then
:
elif [ "$a" -le 5 ]
then
echo "1"
else
echo "2"
fi
From the bash manual:
: (a colon)
Do nothing beyond expanding arguments and performing redirections. The return status is zero.
...