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Format number to 2 decimal places
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You want to use the TRUNCATE command.
https://dev.mysql.com/doc/refman/8.0/en/mathematical-functions.html#function_truncate
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In which situations do we need to write the __autoreleasing ownership qualifier under ARC?
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__autoreleasing to denote arguments that are passed by reference (id *) and are autoreleased on return.
All of this is very well explained in the ARC transition guide.
In your NSError example, the declaration means __strong, implicitly:
NSError * e = nil;
Will be transformed to:
NSError * ...
Angularjs $q.all
...es only function-level scopes:
Read this article about javaScript Scoping and Hoisting.
See how I debugged your code:
var deferred = $q.defer();
deferred.count = i;
console.log(deferred.count); // 0,1,2,3,4,5 --< all deferred objects
// some code
.success(function(data){
console.log(defe...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
...) or tinyint(2), it does not make any difference.
I always use tinyint(1) and int(11), I used several mysql clients (navicat, sequel pro).
It does not mean anything AT ALL! I ran a test, all above clients or even the command-line client seems to ignore this.
But, display width is most important i...
Postgres manually alter sequence
...UE 22
This would work:
ALTER SEQUENCE payments_id_seq RESTART WITH 22;
and is equivalent to:
SELECT setval('payments_id_seq', 22, FALSE);
More in the current manual for ALTER SEQUENCE and sequence functions.
Note that setval() expects either (regclass, bigint) or (regclass, bigint, boolean)....
How to center the content inside a linear layout?
I'm trying to center an ImageView inside a LinearLayout horizontally and vertically, but I just can't do it.
The main reason why I'm not using a RelativeLayout for that is because I need the layout_weight (my Activity consists of four columns that should be equally divided, and also respon...
How to change webservice url endpoint?
.... where to reach the web service), not the client endpoint (I don't understand what this could be). To change the service endpoint, you basically have two options.
Use the Binding Provider to set the endpoint URL
The first option is to change the BindingProvider.ENDPOINT_ADDRESS_PROPERTY property ...
Add column with number of days between dates in DataFrame pandas
I want to subtract dates in 'A' from dates in 'B' and add a new column with the difference.
4 Answers
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Git, How to reset origin/master to a commit?
I reset my local master to a commit by this command:
4 Answers
4
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How can I push to my fork from a clone of the original repo?
...our local master branch to your fork by running
git push myrepo master
And if you want to tell Git that git push should push to myrepo instead of origin from now on, you should run
git push -u myrepo master
instead.
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