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How do I calculate square root in Python?
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0
If one of the numbers is a float, it works as expected:
>>> 1.0/2
0.5
>>> 16**(1.0/2)
4.0
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What is the ideal data type to use when storing latitude / longitude in a MySQL database?
... Bytes Resolution
Deg*100 (SMALLINT) 4 1570 m 1.0 mi Cities
DECIMAL(4,2)/(5,2) 5 1570 m 1.0 mi Cities
SMALLINT scaled 4 682 m 0.4 mi Cities
Deg*10000 (MEDIUMINT) 6 16 m 52 ft Houses/Businesses
DECIMAL(6,4)/(7,4) 7 16...
Multi-gradient shapes
...s what I've got for now:
green_horizontal_gradient.xml
<?xml version="1.0" encoding="utf-8"?>
<shape
xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle"
>
<corners
android:radius="3dp"
/>
<gradient
an...
Lint: How to ignore “ is not translated in ” errors?
... other string resource files can be verified if needed.
<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:tools="http://schemas.android.com/tools"
tools:ignore="MissingTranslation">
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How can I delay a method call for 1 second?
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You can also:
[UIView animateWithDuration:1.0
animations:^{ self.view.alpha = 1.1; /* Some fake chages */ }
completion:^(BOOL finished)
{
NSLog(@"A second lapsed.");
}];
This case you have to fake some changes to some view to g...
Function to calculate distance between two coordinates
...* f - f * f ' "Eccentricity"
Dim beta As Double = (a / Math.Sqrt(1.0 - e * Math.Sin(lat1) * Math.Sin(lat1)))
Dim cos As Double = Math.Cos(lat1)
Dim x As Double = beta * cos * Math.Cos(long1)
Dim y As Double = beta * cos * Math.Sin(long1)
Dim z As Double = beta * (1 - e) * M...
Change Circle color of radio button
...m/apk/res-auto"
Minimum Example should look like this:
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height=...
Reducing the space between sections of the UITableView
...er)section {
if (section == 0) {
return 6.0;
}
return 1.0;
}
- (CGFloat)tableView:(UITableView*)tableView
heightForFooterInSection:(NSInteger)section {
return 5.0;
}
- (UIView*)tableView:(UITableView*)tableView
viewForHeaderInSection:(NSInteger)sect...
Android adding simple animations while setvisibility(view.Gone)
...view.animate().alpha(0.0f);
This fades it back in:
view.animate().alpha(1.0f);
This moves a View down by its height:
view.animate().translationY(view.getHeight());
This returns the View to its starting position after it has been moved somewhere else:
view.animate().translationY(0);
You ca...
How do I convert an enum to a list in C#? [duplicate]
...ke this?!
The static method GetValues was introduced back in the old .NET 1.0 days. It returns a one-dimensional array of runtime type SomeEnum[]. But since it's a non-generic method (generics was not introduced until .NET 2.0), it can't declare its return type (compile-time return type) as such.
...