大约有 23,000 项符合查询结果（耗时：0.0353秒） [XML]
How do I declare a 2d array in C++ using new?
...algorithms to do it. And the allocator "pads" each of your row arrays with extra bytes for bookkeeping and alignment. That extra space costs...well...extra space. The deallocator will also take extra time when you go to deallocate the matrix, painstakingly free-ing up each individual row allocation....
Apply formula to the entire column
...
Let's say you want to substitute something in an array of string and you don't want to perform the copy-paste on your entire sheet.
Let's take this as an example:
String array in column "A": {apple, banana, orange, ..., avocado}
You want to substitute the char of "a" to "x" to ha...
Converting Go struct to JSON
...ain
import (
"fmt"
"encoding/json"
)
type User struct {
Name string
}
func main() {
user := &User{Name: "Frank"}
b, err := json.Marshal(user)
if err != nil {
fmt.Println(err)
return
}
fmt.Println(string(b))
}
Output:
{"Name":"Frank"}
...
How to get the system uptime in Windows? [closed]
.../dd/yyyy | /p:n] [/heartbeat] [/? | /help]
server Name or IP address of remote server to process.
/s Display key system events and statistics.
/a Display application failure events (assumes /s).
/d: Only calculate for eve...
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.
...
PHP substring extraction. Get the string before the first '/' or the whole string
I am trying to extract a substring. I need some help with doing it in PHP.
15 Answers
...
Getting error while sending email through Gmail SMTP - “Please log in via your web browser and then
... is tested today 22 Aug 2016 and works great!!
– Philip Enc
Aug 21 '16 at 19:04
1
I followed ever...
What is base 64 encoding used for?
...
But why is base64 method used to encode string data? eg in javascript atob function Is there meaning the server to encode a json file to base64 format? Special characters could be a use case but why not utf8 in that case, are they equibalent? Any further resource ...
Detailed 500 error message, ASP + IIS 7.5
...webServer>
<httpErrors errorMode="Detailed" />
<asp scriptErrorSentToBrowser="true"/>
</system.webServer>
<system.web>
<customErrors mode="Off"/>
<compilation debug="true"/>
</system.web>
...
Redirecting Output from within Batch file
...formation from a system. The batch file contains commands to get the time, IP information, users, etc.
10 Answers
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