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Calling a function within a Class method?
...n and then grab results inside the class function? e.g I have a query that selects all from a table and then returns a fetch all result set. Is it possible to loop through that result set inside a classes function? e.g class query{ public function show(){ getResults(); while($stmt->fetchCollumn...
How to cherry-pick from a remote branch?
... Because now you are merging the HEAD of master into zebra instead of just selected commits.
– Chef Pharaoh
Apr 28 '17 at 15:29
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How to dismiss ViewController in Swift?
...with "Done" as Identifier
invoke the Assistant Editor with the Done button selected
create an IBAction for this button
add this line into the brackets:
self.dismissViewControllerAnimated(true, completion: nil)
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How do you log all events fired by an element in jQuery?
...ouse'); // logs mouse events on the body
monitorEvents(document.body.querySelectorAll('input')); // logs all events on inputs
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Get element inside element by class and ID - JavaScript
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Well, first you need to select the elements with a function like getElementById.
var targetDiv = document.getElementById("foo").getElementsByClassName("bar")[0];
getElementById only returns one node, but getElementsByClassName returns a node list...
How to force ViewPager to re-instantiate its items [duplicate]
...his does not work for me. Just to be sure that we are on same page. I have selected one of x pages that are available to scroll through in ViewPager. From menu I invoke action that somehow process data in underlying db and change it. On that page I am presenting that data. By process that I triggere...
Separation of business logic and data access in django
...ActivateUserForm(forms.Form):
user_id = IntegerField(widget = UsernameSelectWidget, verbose_name="Select a user to activate")
# the username select widget is not a standard Django widget, I just made it up
def clean_user_id(self):
user_id = self.cleaned_data['user_id']
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Reordering arrays
...@CMS. If I swap mean's don't want to replace the order...For Example, If I select the 3rd object to 1 st position I want to swap 1 as a 2 and 2 as a 3 as 1
– Peri
Aug 2 '18 at 6:41
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Negative matching using grep (match lines that do not contain foo)
...s your friend:
grep --help | grep invert
-v, --invert-match select non-matching lines
Also check out the related -L (the complement of -l).
-L, --files-without-match only print FILE names containing no match
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How to switch databases in psql?
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You can select the database when connecting with psql. This is handy when using it from a script:
sudo -u postgres psql -c "CREATE SCHEMA test AUTHORIZATION test;" test
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