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How to resize a VirtualBox vmdk file
...researching why the clonehed keeps creating volumes that are not supported by the --resize. Turns out that appending --format vdi to the clonehd is crucial!
– datv
Dec 3 '17 at 6:47
...
Check if checkbox is checked with jQuery
..."chk[]" value="Bananas" />
Instead, drop the ID, and then select them by name, or by a containing element:
<fieldset id="checkArray">
<input type="checkbox" name="chk[]" value="Apples" />
<input type="checkbox" name="chk[]" value="Bananas" />
</fieldset>
And ...
Is unsigned integer subtraction defined behavior?
...operands can never overflow,
because a result that cannot be represented by the resulting unsigned integer type is
reduced modulo the number that is one greater than the largest value that can be
represented by the resulting type.
(ISO/IEC 9899:1999 (E) §6.2.5/9)
As you can see, (unsig...
Removing pip's cache?
...
The current most-up-to-date answer (posted by a pip maintainer) is stackoverflow.com/a/61762308/1931274. The best approach now is pip cache purge.
– pradyunsg
May 12 at 22:53
...
How assignment works with Python list slice?
...ce of a with the contents of b.
Although the syntax is similar (I imagine by design!), these are two different operations.
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SQL Server equivalent to Oracle's CREATE OR REPLACE VIEW
...W [dbo].[vw_myView] AS SELECT ''This is a code stub which will be replaced by an Alter Statement'' as [code_stub]'
GO
ALTER VIEW [dbo].[vw_myView]
AS
SELECT 'This is a code which should be replaced by the real code for your view' as [real_code]
GO
...
TypeLoadException says 'no implementation', but it is implemented
...... really the problem is that a method of the interface isn't implemented BY DummyItem.
– Qwertie
Jun 13 '10 at 4:16
3
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Difference between Observer, Pub/Sub, and Data Binding
...d changes on object B.
Observer, or Observable/Observer
A design pattern by which an object is imbued with the ability to notify others of specific events - typically done using actual events, which are kind of like slots in the object with the shape of a specific function/method. The observable i...
What is an optional value in Swift?
... is a type that can hold either a value or no value. Optionals are written by appending a ? to any type:
var name: String? = "Bertie"
Optionals (along with Generics) are one of the most difficult Swift concepts to understand. Because of how they are written and used, it's easy to get a wrong idea o...
Using member variable in lambda capture list inside a member function
...e member:
auto& tmp = grid;
auto lambda = [ tmp](){}; // capture grid by (a single) copy
auto lambda = [&tmp](){}; // capture grid by ref
C++14:
auto lambda = [ grid = grid](){}; // capture grid by copy
auto lambda = [&grid = grid](){}; // capture grid by ref
example: https://godbo...