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Divide a number by 3 without using *, /, +, -, % operators
...oc(number,1);
fwrite(buf,number,1,fp);
rewind(fp);
int result=fread(buf,divisor,number,fp);
printf("%d / %d = %d", number, divisor, result);
free(buf);
fclose(fp);
return 0;
}
If also the decimal part is needed, just declare result as double and add to it the result of ...
Import pandas dataframe column as string not int
I would like to import the following csv as strings not as int64. Pandas read_csv automatically converts it to int64, but I need this column as string.
...
java get file size efficiently
...rn the file length. It returns the amount of bytes which are available for read without blocking other streams. It is not necessarily the same amount of bytes as file length. To get the real length from a stream, you really need to read it (and count the read bytes meanwhile).
–...
How to get body of a POST in php?
...ody = file_get_contents('php://input');
Also, the STDIN constant is an already-open stream to php://input, so you can alternatively do:
$entityBody = stream_get_contents(STDIN);
From the PHP manual entry on I/O streamsdocs:
php://input is a read-only stream that allows you to read raw data
...
Diff Algorithm? [closed]
...e source code appears to follow the basic algorithm closely and is easy to read.
There's also a bit on preparing the input, which you may find useful. There's a huge difference in output when you are diffing by character or token (word).
Good luck!
...
NoSQL - MongoDB vs CouchDB [closed]
...
thus, master-master replication. (!)
MVCC - write operations do not block reads
Previous versions of documents are available
Crash-only (reliable) design
Needs compacting from time to time
Views: embedded map/reduce
Formatting views: lists & shows
Server-side document validation possible
Authen...
Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
I'm reading the documentation and I am constantly shaking my head at some of the design decisions of the language. But the thing that really got me puzzled is how arrays are handled.
...
How do I base64 encode (decode) in C?
...ng from -128 to 127. Any character with the high bit set will cause you to read outside the allocated memory. Forcing the data lookup to be an unsigned char clears that up. You still get garbage out for garbage in, but you won't segfault.
– bitmusher
Feb 12 '13...
How to add extra info to copied web text
...document.addEventListener('copy', (event) => {
const pagelink = `\n\nRead more at: ${document.location.href}`;
event.clipboardData.setData('text', document.getSelection() + pagelink);
event.preventDefault();
});
Lorem ipsum dolor sit amet, consectetur adipiscing elit.<br/>
<t...
MySQL “Group By” and “Order By”
...:
SELECT cur.textID, cur.fromEmail, cur.subject,
cur.timestamp, cur.read
FROM incomingEmails cur
LEFT JOIN incomingEmails next
on cur.fromEmail = next.fromEmail
and cur.timestamp < next.timestamp
WHERE next.timestamp is null
and cur.toUserID = '$userID'
ORDER BY LOWER(cur.fromEmai...