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What characters are forbidden in Windows and Linux directory names?
...ith peril, as the exceptions thrown for denied access, offline drives, and out of drive space overlap with those that can be thrown for invalid names. You are opening up one huge can of hurt.
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How to properly overload the
...
Just telling you about one other possibility: I like using friend definitions for that:
namespace Math
{
class Matrix
{
public:
[...]
friend std::ostream& operator<< (std::ostream& stream, const Matr...
Finding three elements in an array whose sum is closest to a given number
...'ll find the solution. You can see that this is O(n2) since we execute the outer loop O(n) times and we execute the inner loop O(n) times. It's possible to do this sub-quadratically if you get really fancy, by representing each integer as a bit vector and performing a fast Fourier transform, but tha...
How to make join queries using Sequelize on Node.js
...createdAt`,
`users`.`updatedAt` AS `users.updatedAt`
FROM `posts`
LEFT OUTER JOIN `users` AS `users` ON `users`.`id` = `posts`.`user_id`;
The query above might look a bit complicated compared to what you posted, but what it does is basically just aliasing all columns of the users table to make...
How can I check if a string represents an int, without using try/except?
...nts an integer (e.g., '3' , '-17' but not '3.14' or 'asfasfas' ) Without using a try/except mechanism?
18 Answers
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How to fix height of TR?
...height p {
position: absolute;
margin: 0;
top: 0;
}
/* table layout fixed */
.layout-fixed {
table-layout: fixed;
}
/* td width */
.td-width td:first-child {
width: 33%;
}
<table><tbody>
<tr class="set-height">
<td><p>Lorem ipsum dolor sit...
Best practices for SQL varchar column length [closed]
...echnical/physical thing.
For PostgreSQL the best setup is to use text without a length restriction and a CHECK CONSTRAINT that limits the number of characters to whatever your business requires.
If that requirement changes, altering the check constraint is much faster than altering the table (bec...
How the single threaded non blocking IO model works in Node.js
... the article understanding-the-node-js-event-loop , I'm really confused about it.
It gave an example for the model:
7 Answ...
What are dictionary view objects?
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Thanks. Indeed, this answer is mostly about the semantics of views. I don't have information about their implementation in CPython, but I would guess that a view is basically a pointer to the right structure(s) (keys and/or values), and that the structures are par...
Unit Test? Integration Test? Regression Test? Acceptance Test?
...ngle change to an application forces you to re-run ALL the tests and check out ALL the functionality.
Acceptance test: End users or QA do these prior to signing off to accept delivery of an application. It says "The app met my requirements."
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