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How can I check if my python object is a number? [duplicate]
... @AlexKahn In Python, booleans are practically numbers: bool inherits from int, abs(True) == 1, "foo" * False == "", sum([True, False, True]) == 2, "%f" % True == "1.0", and so on.
– user395760
Nov 24 '15 at 22:12
...
How do I set the default font size in Vim?
...ndows')
"get dpi, strip out utf-16 garbage and new lines
"system() converts 0x00 to 0x01 for 'platform independence'
"should return something like 'PixelsPerXLogicalInch=192'
"get the part from the = to the end of the line (eg '=192') and strip
"the first character
"and conve...
How can I change the color of AlertDialog title and the color of the line under it
...fortunately, unlike with the ListSeparator's style, AlertDialog themes are internal, and therefore cannot be referenced as parent styles. There is no easy way to change that little blue line! Thus you need to resort to making custom dialogs.
If that just isn't your cup of tea... don't give up! I wa...
NOT IN vs NOT EXISTS
...operator to the plan. This apparatus is explained here. It is all there to convert the previous single correlated index seek on Sales.SalesOrderDetail.ProductID = <correlated_product_id> to two seeks per outer row. The additional one is on WHERE Sales.SalesOrderDetail.ProductID IS NULL.
As t...
How do I get the current GPS location programmatically in Android?
...);
if (addresses.size() > 0) {
System.out.println(addresses.get(0).getLocality());
cityName = addresses.get(0).getLocality();
}
}
catch (IOException e) {
e.printStackTrace();
}
String s = longitude...
Static extension methods [duplicate]
...hen call it:
myString.SomeStringExtension();
The compiler just turns it into:
ExtensionClass.SomeStringExtension(myString);
So as you can see, there's no way to do that for static methods.
And another thing just dawned on me: what would really be the point of being able to add static methods ...
Why are unnamed namespaces used and what are their benefits?
...tive, being able to even make a type translation unit local.
namespace { int a1; }
static int a2;
Both a's are translation unit local and won't clash at link time. But the difference is that the a1 in the anonymous namespace gets a unique name.
Read the excellent article at comeau-computing Why...
Camera orientation issue in Android
...ecommend checking the photo's exif data and looking particularly for
ExifInterface exif = new ExifInterface(SourceFileName); //Since API Level 5
String exifOrientation = exif.getAttribute(ExifInterface.TAG_ORIENTATION);
Since the photo is displaying correctly in your app, i'm not sure where ...
Inline functions vs Preprocessor macros
...ts.
Inline functions are actual functions whose body is directly injected into their call site. They can only be used where a function call is appropriate.
Now, as far as using macros vs. inline functions in a function-like context, be advised that:
Macros are not type safe, and can be expanded ...
How to delete duplicate rows in SQL Server?
...icated.
SELECT DISTINCT [col1],[col2],[col3],[col4],[col5],[col6],[col7]
INTO [newTable]
Go into the object explorer and delete the old table.
Rename the new table with the old table's name.
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