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Add & delete view from Layout
...this);
lp.addView(new Button(this));
lp.addView(new ImageButton(this));
// Now remove them
lp.removeViewAt(0); // and so on
If you have xml layout then no need to add dynamically.just call
lp.removeViewAt(0);
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Remove header and footer from window.print()
...nal of this answer (May 2013), it only worked on Chrome, not sure about it now, never needed to try again. If you need support for a browser that can't hable, you can create a PDF on the fly and print that (you can create a self-printing PDF embedding JavaScript on it), but that's a huge hassle.
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dynamic_cast and static_cast in C++
...t runtime, and work by querying the object (no need to worry about how for now), asking it if it the type we're looking for. If it is, dynamic_cast<Type*> returns a pointer; otherwise it returns NULL.
In order for this base-to-derived casting to work using dynamic_cast<>, Base, Foo and...
What's wrong with using == to compare floats in Java?
...ll), the epsilon is no longer appropriate. (Using epsilon is fine if you know your float values are all relatively reasonable, though.)
– P.T.
Dec 13 '11 at 2:05
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Deleting multiple elements from a list
...ual program logic, and exists solely for technical reasons. Even though by now I already understand the logic thoroughly, I still feel it would be difficult to read.
– Imperishable Night
Oct 27 '18 at 3:20
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Create dynamic URLs in Flask with url_for()
...ex')
@app.route('/')
def index():
return 'you are in the index page'
Now if you have a link the index page:you can use this:
<a href={{ url_for('index') }}>Index</a>
You can do a lot o stuff with it, for example:
@app.route('/questions/<int:question_id>'): #int has bee...
Reference — What does this symbol mean in PHP?
This is a collection of questions that come up every now and then about syntax in PHP. This is also a Community Wiki, so everyone is invited to participate in maintaining this list.
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jQuery selector for inputs with square brackets in the name attribute
... attribute values, you can use quotes:
$('input[name="weirdName[23]"]')
Now, I'm a little confused by your example; what exactly does your HTML look like? Where does the string "inputName" show up, in particular?
edit fixed bogosity; thanks @Dancrumb
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Disable browsers vertical and horizontal scrollbars
... it (it is still there and still changing the size of everything else, but now its grayed out)
– taltamir
Sep 20 '17 at 18:17
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Replace a value if null or undefined in JavaScript
...ave a requirement to apply the ?? C# operator to JavaScript and I don't know how.
Consider this in C#:
5 Answers
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