大约有 45,000 项符合查询结果（耗时：0.0607秒） [XML]
Can I simultaneously declare and assign a variable in VBA?
...character if you want it on one line for readability;
Dim clientToTest As String: clientToTest = clientsToTest(i)
Dim clientString As Variant: clientString = Split(clientToTest)
Hint (summary of other answers/comments): Works with objects too (Excel 2010):
Dim ws As Worksheet: Set ws = Activ...
Foreign Key to multiple tables
...bo.Ticket
(
ID int NOT NULL,
Owner_ID int NOT NULL,
Owner_Type string NOT NULL, -- In our example, this would be "User" or "Group"
Subject varchar(50) NULL
)
With the above method, you could add as many Owner Types as you want. Owner_ID would not have a foreign key constraint but ...
Why can a function modify some arguments as perceived by the caller, but not others?
... scope).
Objects can be mutable (like lists) or immutable (like integers, strings in Python). Mutable object you can change. You can't change a name, you just can bind it to another object.
Your example is not about scopes or namespaces, it is about naming and binding and mutability of an object i...
What's “P=NP?”, and why is it such a famous question? [closed]
...uestion, but in regards to the proof. Not only would a proof be worth some extra credit, but it would solve one of the Millennium Problems. An interesting poll was recently conducted and the published results (PDF) are definitely worth reading in regards to the subject of a proof.
...
What is this: [Ljava.lang.Object;?
I get this when I call toString on an object I received from a function call. I know the type of the object is encoded in this string, but I don't know how to read it.
...
Correct approach to global logging in Golang
...mport (
"log"
"os"
"sync"
)
type logger struct {
filename string
*log.Logger
}
var logger *logger
var once sync.Once
// start loggeando
func GetInstance() *logger {
once.Do(func() {
logger = createLogger("mylogger.log")
})
return logger
}
func createLogger...
Why is String.chars() a stream of ints in Java 8?
In Java 8, there is a new method String.chars() which returns a stream of int s ( IntStream ) that represent the character codes. I guess many people would expect a stream of char s here instead. What was the motivation to design the API this way?
...
Get full path without filename from path that includes filename
...
string fileAndPath = @"c:\webserver\public\myCompany\configs\promo.xml";
string currentDirectory = Path.GetDirectoryName(fileAndPath);
string fullPathOnly = Path.GetFullPath(currentDirectory);
currentDirectory:...
Is It Possible to NSLog C Structs (Like CGRect or CGPoint)?
...
You can try this:
NSLog(@"%@", NSStringFromCGPoint(cgPoint));
There are a number of functions provided by UIKit that convert the various CG structs into NSStrings. The reason it doesn't work is because %@ signifies an object. A CGPoint is a C struct (and s...
How do I use the new computeIfAbsent function?
...urrent.ConcurrentHashMap;
public class Test {
public static void main(String[] s) {
Map<String, Boolean> whoLetDogsOut = new ConcurrentHashMap<>();
whoLetDogsOut.computeIfAbsent("snoop", k -> f(k));
whoLetDogsOut.computeIfAbsent("snoop", k -> f(k));
...