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PHP method chaining?
...ng PHP 5 and I've heard of a new featured in the object-oriented approach, called 'method chaining'. What is it exactly? How do I implement it?
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Is it possible to use a div as content for Twitter's Popover
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FYI, bootstrap has a class called "hide" that sets display: none
– Domenic
Apr 23 '13 at 19:48
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How to check task status in Celery?
How does one check whether a task is running in celery (specifically, I'm using celery-django)?
13 Answers
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Passing parameters to addTarget:action:forControlEvents
...ewsDetails: method here. You just create a selector to make button able to call it when certain action occurs (touch up in your case). Controls can use 3 types of selectors to respond to actions, all of them have predefined meaning of their parameters:
with no parameters
action:@selector(switchTo...
If REST applications are supposed to be stateless, how do you manage sessions?
...n the server.
General usage of REST services
REST services are generally called when there is a transaction that needs to be performed or if it needs to retrieve data.
REST services are meant to be called by the client-side application and not the end user directly.
Authenticating
For any reque...
How do I execute a stored procedure once for each row returned by query?
...NS and WHERE clauses in the fields used in your stored procedure. I dramatically sped up calling my SP in a loop after adding appropriate indexes.
– Matthew
Feb 16 '18 at 6:32
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How to make a countdown timer in Android?
...celTimer() {
if(cTimer!=null)
cTimer.cancel();
}
You need to call cTtimer.cancel() whenever the onDestroy()/onDestroyView() in the owning Activity/Fragment is called.
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SQL Server: Is it possible to insert into two tables at the same time?
My database contains three tables called Object_Table , Data_Table and Link_Table . The link table just contains two columns, the identity of an object record and an identity of a data record.
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Jdbctemplate query for string: EmptyResultDataAccessException: Incorrect result size: expected 1, ac
... multiple objects and instantiating a list, also ResultSet.next() would be called unnecessarily. Using a ResultSetExtractor is a much more efficient tool in this case.
– Brett Ryan
May 6 '13 at 0:52
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$.focus() not working
...thing that has given me trouble in the past is order of events. You cannot call focus() on an element that hasn't been attached to the DOM. Has the element you are trying to focus already been attached to the DOM?
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