大约有 40,000 项符合查询结果（耗时：0.0469秒） [XML]
Turning off “created by” stamp when generating files in IntelliJ
... Code Templates area of the settings dialog. In Idea 15+ you can get there by typing ctrl+shift+A on windows or cmd+shift+A on osx and then typing Include Templates in the popup action search dialog. There should be a tab called Includes on which you will find the Java and ActionScript file types, a...
What's the best way to get the last element of an array without deleting it?
...
option .1. $x = array_values(array_slice($array, -1))[0]; (as suggested by rolacja)
option .2. $x = array_slice($array, -1)[0]; (as suggested by Stoutie)
option .3. $x = array_pop((array_slice($array, -1))); (as suggested by rolacja)
option .4. $x = array_pop((array_slice($array, -1, 1))); (as su...
Why does ++[[]][+[]]+[+[]] return the string “10”?
...y A to avoid the wrong notation.
++ before its operand means “increment by one and return the incremented result”. So ++[[]][0] is equivalent to Number(A) + 1 (or +A + 1).
Again, we can simplify the mess into something more legible. Let's substitute [] back for A:
(+[] + 1)
+
[0]
Before +[]...
Using arrays or std::vectors in C++, what's the performance gap?
...operations on vectors and arrays/pointers.
// Assembly code was generated by gcc 4.1.0 invoked with g++ -O3 -S on a
// x86_64-suse-linux machine.
#include <vector>
struct S
{
int padding;
std::vector<int> v;
int * p;
std::vector<int>::iterator i;
};
int pointer_inde...
How to show disable HTML select option in by default?
... You don't need to put the true or disabled values. you can get by doing <option selected disabled>Choose Tagging</option>
– Sam Eaton
Feb 17 '16 at 3:37
19
...
Is nested function a good approach when required by only one function? [closed]
Let's say that a function A is required only by function B , should A be defined inside B?
12 Answers
...
How can I reconcile detached HEAD with master/origin?
...ch dangling commits will be pruned through the garbage collection process (by default, they are kept for at least 2 weeks and may be kept longer by being referenced by HEAD’s reflog).
1
It is perfectly fine to do “normal” work with a detached HEAD, you just have to keep track of what you are ...
what is the difference between OLE DB and ODBC data sources?
...reading a MS Excel help article about pivotcache and wonder what they mean by OLE DB and ODBC sources
11 Answers
...
Combined area of overlapping circles
...circles is the area of the polygon + the area of the circle slices defined by consecutive intersection points and the circle center in between them. You'll need to also account for any holes.
share
|
...
LINQ - Left Join, Group By, and Count
...tId equals c.ChildParentId into j1
from j2 in j1.DefaultIfEmpty()
group j2 by p.ParentId into grouped
select new { ParentId = grouped.Key, Count = grouped.Count(t=>t.ChildId != null) }
share
|
i...