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When do you use the “this” keyword? [closed]
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I don't mean this to sound snarky, but it doesn't matter.
Seriously.
Look at the things that are important: your project, your code, your job, your personal life. None of them are going to have their success rest on whether or not ...
return, return None, and no return at all?
...l necessary to.
Using return None
This tells that the function is indeed meant to return a value for later use, and in this case it returns None. This value None can then be used elsewhere. return None is never used if there are no other possible return values from the function.
In the following ...
size_t vs. uintptr_t
...ard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Unit tests vs Functional tests
...backwards-compatibility is guaranteed. What does "backwards-compatibility" mean? It means "does not change user-visible behavior". And the functional tests are an executable encoding of the specification of the user-visible behavior. So, if the major number doesn't change, then the functional tests ...
What is SOA “in plain english”? [closed]
...ons like physical location, efficiency in making decisions etc.
It also means you can recombine the dishes (services) as you like. For example, you might just use the dessert to service a cafe, or just take the soup and combine it with a bread you bought from another company to provide a cheaper ...
How to convert string to Title Case in Python?
...roups of consecutive letters. The definition works in many contexts but it means that apostrophes in contractions and possessives form word boundaries, which may not be the desired result". One possible solution would be to use Laurence's answer with the regex r"['\w]+" so apostrophes wouldn't end ...
How to add leading zeros?
...igits to begin with, so let's try a harder example of making powers of 10 width 8 too.
anim <- 25499:25504
x <- 10 ^ (0:5)
paste (and it's variant paste0) are often the first string manipulation functions that you come across. They aren't really designed for manipulating numbers, but the...
Stop LastPass filling out a form
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This should be the valid answer. LP seems to respect this attribute and does not require any crazy "search" names or ids or roles.
– Corneliu
Jul 28 '17 at 1:10
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Difference between “read commited” and “repeatable read”
...le T with a column C with one row in it, say it has the value '1'. And consider you have a simple task like the following:
BEGIN TRANSACTION;
SELECT * FROM T;
WAITFOR DELAY '00:01:00'
SELECT * FROM T;
COMMIT;
That is a simple task that issue two reads from table T, with a delay of 1 minute betwee...
Difference between `constexpr` and `const`
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Basic meaning and syntax
Both keywords can be used in the declaration of objects as well as functions. The basic difference when applied to objects is this:
const declares an object as constant. This implies a guarantee that once ...