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How does “do something OR DIE()” work in PHP?
I'm writing a php app to access a MySQL database, and on a tutorial, it says something of the form
4 Answers
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How is “=default” different from “{}” for default constructor and destructor?
...om simply doing {}. With the latter, the function becomes "user-provided". And that changes everything.
This is a trivial class by C++11's definition:
struct Trivial
{
int foo;
};
If you attempt to default construct one, the compiler will generate a default constructor automatically. Same goes...
Prevent tabstop on A element (anchor link) in HTML
...rt the tabindex="-1" attribute, but not all of them, since this is not a standard behaviour.
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How do I find out which DOM element has the focus?
...ript, which element currently has focus. I've been looking through the DOM and haven't found what I need, yet. Is there a way to do this, and how?
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Example of UUID generation using Boost in C++
I want to generate just random UUID's, as it is just important for instances in my program to have unique identifiers. I looked into Boost UUID , but I can't manage to generate the UUID because I don't understand which class and method to use.
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What is the difference between encode/decode?
I've never been sure that I understand the difference between str/unicode decode and encode.
6 Answers
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Using :after to clear floating elements
I have a list and the li's have a float:left; . The contents after the <ul> should be aligned correctly. Therefore i can build the following:
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Razor doesn't understand unclosed html tags
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@Stuntman you need to do this for both the opening and the closing tags to make it work.
– Departamento B
Jun 6 '16 at 14:05
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Difference between @Before, @BeforeClass, @BeforeEach and @BeforeAll
...nstance of your test fixture is created.
In JUnit 5, the tags @BeforeEach and @BeforeAll are the equivalents of @Before and @BeforeClass in JUnit 4. Their names are a bit more indicative of when they run, loosely interpreted: 'before each tests' and 'once before all tests'.
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GROUP_CONCAT comma separator - MySQL
I have a query where I am using GROUP_CONCAT and a custom separator as my results may contain commas: '----'
3 Answers
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