大约有 12,000 项符合查询结果（耗时：0.0261秒） [XML]
In CSS what is the difference between “.” and “#” when declaring a set of styles?
...arget multiple elements with a particular class. To put it another way:
#foo {} will style the single element declared with an attribute id="foo"
.foo {} will style all elements with an attribute class="foo" (you can have multiple classes assigned to an element too, just separate them with spaces,...
What does placing a @ in front of a C# variable name do? [duplicate]
...
It's just a way to allow declaring reserved keywords as vars.
void Foo(int @string)
share
|
improve this answer
|
follow
|
...
Access data in package subdirectory
...sing files within packages that do not have slashes in their names, i.e.
foo/
__init__.py
module1.py
module2.py
data/
data.txt
data2.txt
i.e. you could access data2.txt inside package foo with for example
importlib.resources.open_binary('foo', 'data2.txt')
but it...
How to get just one file from another branch
... useful to avoid conflict with branch names. For example, git checkout -- foo means "check out file foo from HEAD" (ie. overwrite local changes in foo, ie. a subset of git reset --hard), but git checkout foo could mean that or "let's go to branch foo".
– Alois Mahdal
...
How do you push just a single Git branch (and no other branches)?
... Thanks, current was what I was looking for, by default git push in the foo branch will push it to the origin/foo branch.
– Dorian
Feb 25 '14 at 14:51
...
What does tree-ish mean in Git?
...irectories as "trees" and "tree objects").
In the original poster's case, foo is a directory that he wants to
specify. The correct way to specify a (sub)directory in Git is to use this
"tree-ish" syntax (item #15 from the Git revisions documentation):
<rev>:<path>, e.g. HEAD:README,...
How to avoid isset() and empty()
...uation there are different ways to do that:
Function arguments:
function foo ($bar, $baz = null) { ... }
There's no need to check whether $bar or $baz are set inside the function because you just set them, all you need to worry about is if their value evaluates to true or false (or whatever else...
API pagination best practices
...ut have you considered paginating with a timestamp field?
When you query /foos you get 100 results. Your API should then return something like this (assuming JSON, but if it needs XML the same principles can be followed):
{
"data" : [
{ data item 1 with all relevant fields },
...
PostgreSQL - how to quickly drop a user with existing privileges
...
Doing: CREATE TABLE foo(bar SERIAL); ALTER TABLE foo OWNER TO postgres; CREATE USER testuser; GRANT ALL ON foo TO testuser; DROP USER testuser gave the error messages: ERROR: role "testuser" cannot be dropped because some objects depend on it...
How do I reverse a C++ vector?
...tems along for every insertion.) So as opposed to:
std::vector<int> foo;
int nextItem;
while (getNext(nextItem)) {
foo.push_back(nextItem);
}
std::reverse(foo.begin(), foo.end());
You can instead do:
std::deque<int> foo;
int nextItem;
while (getNext(nextItem)) {
foo.push_fron...