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Can an abstract class have a constructor?
... what) {
super(what);
}
}
The superclass Product is abstract and has a constructor. The concrete class TimesTwo has a constructor that just hardcodes the value 2. The concrete class TimesWhat has a constructor that allows the caller to specify the value.
Abstract constructors will fre...
NumPy or Pandas: Keeping array type as integer while having a NaN value
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This capability has been added to pandas (beginning with version 0.24):
https://pandas.pydata.org/pandas-docs/version/0.24/whatsnew/v0.24.0.html#optional-integer-na-support
At this point, it requires the use of extension dtype Int64 (capitalized), rather than...
AngularJS - pass function to directive
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Thank Codezilla for your answer, and I want to ask about the circumstance when I want to bind the function "updateFn" from parent scope to isolate scope in directive "test", is that possible?
– user2707026
Aug 23 '13 at...
JQuery - find a radio button by value
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I'm using jQuery 1.6 and this did not work for me: $(":radio[value=foobar]").attr('checked',true);
Instead, I'm using: $('[value="foobar"]').attr('checked',true);
and it works great.
The actual code I'm using clears the radios first and uses pr...
Plotting a list of (x, y) coordinates in python matplotlib
...t is making two plots, where the index of the list gives the x-coordinate, and the first plot's y values are the a s in the pairs and the second plot's y values are the b s in the pairs.
...
jQuery selector for inputs with square brackets in the name attribute
...attribute selector syntax is [name=value] where name is the attribute name and value is the attribute value.
So if you want to select all input elements with the attribute name having the value inputName[]:
$('input[name="inputName[]"]')
And if you want to check for two attributes (here: name an...
What's the best way to cancel event propagation between nested ng-click calls?
...hen you click a thumbnail, a black overlay appears over your whole window, and a larger version of the image is centered in it. Clicking the black overlay dismisses it; clicking the image will call a function that shows the next image.
...
Pull remote branch into local repo with different name?
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Note - you have to have run git fetch remote2 beforehand, if not done yet. Otherwise you may see > fatal: Cannot update paths and switch to branch 'myBranchName' at the same time.
– dman
Jan 26 '16 at 1:38
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How to get the name of a function in Go?
...single function uniquely. The only guarantee is that the result is zero if and only if v is a nil func Value."
– jochen
Apr 14 '15 at 15:56
1
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SQLite in Android How to update a specific row
I've been trying to update a specific row for a while now, and it seems that there are two ways to do this. From what I've read and tried, you can just use the:
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