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Removing pip's cache?
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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
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When to use single quotes, double quotes, and backticks in MySQL
... for string values like in the VALUES() list. Double quotes are supported by MySQL for string values as well, but single quotes are more widely accepted by other RDBMS, so it is a good habit to use single quotes instead of double.
MySQL also expects DATE and DATETIME literal values to be single-quo...
Is mathematics necessary for programming? [closed]
...9 years old and it would be a stretch to say I had learnt much mathematics by that stage. However, with a bit of effort I was able to understand variables, for loops, goto statements (forgive me, I was Vic 20 BASIC and I hadn't read any Dijkstra yet) and basic co-ordinate geometry to put graphics on...
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
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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...
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...
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...
Is there a faster/shorter way to initialize variables in a Rust struct?
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You can provide default values for your struct by implementing the Default trait. The default function would look like your current new function:
impl Default for cParams {
fn default() -> cParams {
cParams {
iInsertMax: -1,
iUpdate...