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Return a value from AsyncTask in Android [duplicate]
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Why not call a method that handles the value?
public class MyClass extends Activity {
private class myTask extends AsyncTask<Void, Void, Void> {
//initiate vars
public myTask() {
super();
//my params ...
Check difference in seconds between two times
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Assuming dateTime1 and dateTime2 are DateTime values:
var diffInSeconds = (dateTime1 - dateTime2).TotalSeconds;
In your case, you 'd use DateTime.Now as one of the values and the time in the list as the other. Be careful of the order, as the...
How to know what the 'errno' means?
...s useful if you're formatting the error message for something other than standard error output.
For example:
#include <errno.h>
#include <string.h>
/* ... */
if(read(fd, buf, 1)==-1) {
printf("Oh dear, something went wrong with read()! %s\n", strerror(errno));
}
Linux also supp...
Read file line by line using ifstream in C++
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#include <fstream>
std::ifstream infile("thefile.txt");
The two standard methods are:
Assume that every line consists of two numbers and read token by token:
int a, b;
while (infile >> a >> b)
{
// process pair (a,b)
}
Line-based parsing, using string streams:
#include ...
How do I find the MySQL my.cnf location
Is there a MySQL command to locate the my.cnf configuration file, similar to how PHP's phpinfo() locates its php.ini ?
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How do I copy folder with files to another folder in Unix/Linux? [closed]
...issues to copy a folder with files in that folder into another folder. Command cp -r doesn't copy files in the folder.
3 ...
Colspan all columns
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I have IE 7.0, Firefox 3.0 and Chrome 1.0
The colspan="0" attribute in a TD is NOT spanning across all TDs in any of the above browsers.
Maybe not recommended as proper markup practice, but if you give a higher colspan value than the total possible n...
How can I do string interpolation in JavaScript?
...g written until the next character, requiring it to be hit twice to write (and writes two of them at this time). This is because some characters interact with them, such as "e". If I try to write "ello" with them, I get èllo``. It is also somewhat annoyingly located (shift+forwardtick, which is ano...
What is the difference between “JPG” / “JPEG” / “PNG” / “BMP” / “GIF” / “TIFF” Image?
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Yes. They are different file formats (and their file extensions).
Wikipedia entries for each of the formats will give you quite a bit of information:
JPEG (or JPG, for the file extension; Joint Photographic Experts Group)
PNG (Portable Network Graphics)
BMP (B...
Check whether a cell contains a substring
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might be worth it to note that this i case insensitive, and if you want to match case, you should use FIND() in place of SEARCH()
– Code Jockey
Sep 11 '14 at 15:19
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