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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....
vertical-align with Bootstrap 3
...t;
</div>
</div>
Bootply
Using inline-block adds extra space between blocks if you let a real space in your code (like ...</div> </div>...). This extra space breaks our grid if column sizes add up to 12:
<div class="row">
<div class="col-xs-6 col-m...
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"}
...
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...
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.
...
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 ...
Escape quote in web.config connection string
I have a connection string in my web config:
5 Answers
5
...
Download a file with Android, and showing the progress in a ProgressDialog
...fy the UI thread from here
private class DownloadTask extends AsyncTask<String, Integer, String> {
private Context context;
private PowerManager.WakeLock mWakeLock;
public DownloadTask(Context context) {
this.context = context;
}
@Override
protected String do...
Java: Subpackage visibility?
...sInA in package a.b:
package a;
public class ClassInA{
private final String data;
public ClassInA(String data){ this.data = data; }
public String getData(){ return data; }
protected byte[] getDataAsBytes(){ return data.getBytes(); }
protected char[] getDataAsChars(){ return...
How to convert String object to Boolean Object?
How to convert String object to Boolean object?
14 Answers
14
...