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Android: How to enable/disable option menu item on button click?
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How do you know the integer ID of MenuItem added at run-time? You can only add them by name.
– Antonio Sesto
Apr 12 '15 at 14:36
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How to print a percentage value in python?
...>>> 1 / 3
0.3333333333333333
# The above 33% example would could now be written without the explicit
# float conversion:
>>> print "{0:.0f}%".format(1/3 * 100)
33%
# Or even shorter using the format mini language:
>>> print "{:.0%}".format(1/3)
33%
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Google Maps v2 - set both my location and zoom in
My question is, does anyone know how to set google maps up, to open up both my location and in a zoomed-in view?
11 Answers...
Sorting an array of objects by property values
... = key(a), b = key(b), reverse * ((a > b) - (b > a));
}
}
//Now you can sort by any field at will...
const homes=[{h_id:"3",city:"Dallas",state:"TX",zip:"75201",price:"162500"},{h_id:"4",city:"Bevery Hills",state:"CA",zip:"90210",price:"319250"},{h_id:"5",city:"New York",state:"NY"...
How do I use jQuery's form.serialize but exclude empty fields
...er better (+1)... especially since I can't find any good regex tools right now.
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iPhone OS: How do I create an NSDate for a specific date?
...es
Examples are often the easiest way to learn. Here are a few examples.
Now
This one is the easiest.
let currentDateTime = Date()
February 20, 2017
// Specify date components
var dateComponents = DateComponents()
dateComponents.year = 2017
dateComponents.month = 2
dateComponents.day = 20
//...
C++, variable declaration in 'if' expression
...nd part (bool a = false) should be not be evaluated because it is already known that the final answer will be false. If (bool a = false) isn't evaluated, then what to do with code later on that uses a? Would we just not initialize the variable and leave it undefined? Would we initialize it to the...
Insert auto increment primary key to existing table
...ng to alter a table which has no primary key nor auto_increment column. I know how to add an primary key column but I was wondering if it's possible to insert data into the primary key column automatically (I already have 500 rows in DB and want to give them id but I don't want to do it manually). A...
Django: Get an object form the DB, or 'None' if nothing matches
... = models.CharField(max_length=255)
objects = GetOrNoneManager()
And now I can do this:
bob_or_none = Person.objects.get_or_none(name='Bob')
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- how to allow only one item selected?
...ingle value should be selected, remove the attribute and the browser will know to allow only a single selection.
Use the tools you have, that's what they're for.
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