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Is it possible to delete an object's property in PHP?
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unset($a->new_property);
This works for array elements, variables, and object attributes.
Example:
$a = new stdClass();
$a->new_property = 'foo';
var_export($a); // -> stdClass::__set_state(array('new_property' => 'foo'))
unset($a->new_property...
JavaScript: location.href to open in new window/tab?
...this answer to make the important bit readable. If you don't approve of my formatting, may I suggest shortening the URL so that the second parameter fits within the unscrolling region?
– Phrogz
Sep 20 '11 at 17:51
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Temporarily switch working copy to a specific Git commit
...ou are on a clean repository and not need to do branching. Might be easier for some use cases (like mine).
– enderland
Jan 29 '13 at 20:40
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Android update activity UI from service
I have a service which is checking for new task all the time. If there is new task, I want to refresh the activity UI to show that info.
I did find https://github.com/commonsguy/cw-andtutorials/tree/master/18-LocalService/ this example. Is that a good approch ? Any other examples?
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When to use f:viewAction / preRenderView versus PostConstruct?
...uld one use the f:viewAction or preRenderView event to initialize data for a page versus using the @PostConstruct annotation? Is the rationale to use one or the other based on the type of scope of the backing bean e.g. If the backing bean is @RequestScoped , then would the choice of using f:...
How do I test which class an object is in Objective-C?
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don't forget to #import <objc/runtime.h> for class_getName()
– Ovesh
Feb 2 '11 at 12:32
6
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Django self-referential foreign key
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You can pass in the name of a model as a string to ForeignKey and it will do the right thing.
So:
parent = models.ForeignKey("CategoryModel")
Or you can use the string "self"
parent = models.ForeignKey("self")
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What is the easiest way to disable/enable buttons and links (jQuery + Bootstrap)
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Anchor Tags
It's worth noting that disabled isn't a valid property for anchor tags. For this reason, Bootstrap uses the following styling on its .btn elements:
.btn.disabled, .btn[disabled] {
cursor: default;
background-image: none;
opacity: 0.65;
filter: alpha(opacity=65);
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Git: how to reverse-merge a commit?
...but in Subversion terminology, "reverse-merge" is actually simply the name for reverting any kind of commit.
– Ben James
Aug 17 '11 at 22:00
4
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How to add additional fields to form before submit?
...javascript and JQuery to add some additional fields to be sent from a HTTP form using POST?
6 Answers
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