大约有 45,000 项符合查询结果(耗时:0.0580秒) [XML]
Add Text on Image using PIL
... @lalit I tried your code on a Windows machine and I got an error for the font self.font = core.getfont(file, size, index, encoding) IOError: cannot open resource. How can I provide path to the font file?
– LWZ
Aug 21 '13 at 5:44
...
“var” or no “var” in JavaScript's “for-in” loop?
...obal (if you are in a strict mode, using strict, global variables throw an error). This can lead to problems like the following.
function f (){
for (i=0; i<5; i++);
}
var i = 2;
f ();
alert (i); //i == 5. i should be 2
If you write var i in the for loop the alert shows 2.
JavaScript Scopi...
Find element's index in pandas Series
...dex(myseries).get_loc(7)
Out[3]: 3
In [4]: Index(myseries).get_loc(10)
KeyError: 10
Duplicate handling
In [5]: Index([1,1,2,2,3,4]).get_loc(2)
Out[5]: slice(2, 4, None)
Will return a boolean array if non-contiguous returns
In [6]: Index([1,1,2,1,3,2,4]).get_loc(2)
Out[6]: array([False, False,...
Round a double to 2 decimal places [duplicate]
... you should use 3 or more decimal places. That depends on how much is your error margin.
– hmartinezd
Sep 17 '15 at 17:13
3
...
How do I find the MySQL my.cnf location
... the entire file system will usually generate scads of "Permission denied" errors unless you are root. So the find command should be find / -name '*my.cnf' 2>/dev/null.
– Chris Johnson
May 14 '14 at 13:09
...
Laravel Schema onDelete set null
... try
$table->...->onDelete(DB::raw('set null'));
If there are any errors, would also be helpful
share
|
improve this answer
|
follow
|
...
Why doesn't java.lang.Number implement Comparable? [duplicate]
...lues are equal is tricky and has to be done within an acceptable margin of error. Try code like:
double d1 = 1.0d;
double d2 = 0.0d;
for (int i=0; i<10; i++) {
d2 += 0.1d;
}
System.out.println(d2 - d1);
and you'll be left with some small difference.
So back to the issue of making Number Co...
Oracle SQL: Update a table with data from another table
...n = (select...)
never worked for me since set only expects 1 value - SQL Error: ORA-01427: single-row subquery returns more than one row.
here's the solution:
BEGIN
For i in (select id, name, desc from table1)
LOOP
Update table2 set name = i.name, desc = i.desc where id = i.id;
END LOOP;
END;
...
Version number comparison in Python
...e this solution to solve the same problem at the Leetcode problem I get an error at the while loop saying "list index out of range". Can you please help why that occurs? Here is the problem : leetcode.com/explore/interview/card/amazon/76/array-and-strings/…
– YouHaveaBigEgo
...
How to reset or change the MySQL root password?
...working as expected. But when trying to login it's saying Enter password: ERROR 1698 (28000): Access denied for user 'root'@'localhost'
– Dipak Chatterjee
Nov 5 '19 at 10:49
...
