大约有 40,000 项符合查询结果（耗时：0.0566秒） [XML]
Casting vs using the 'as' keyword in the CLR
...n = 0;
foreach (object o in values)
{
if (o is string)
{
string a = (string) o;
len += a.Length;
}
}
sw.Stop();
Console.WriteLine("Is and Cast: {0} : {1}", len,
(long...
How do you change the size of figures drawn with matplotlib?
... make it work I need to call plt.rcParams["figure.figsize"] = (20,3) in an extra cell. When I call it in the same cell as the import statement, it gets ignored.
– asmaier
May 11 '18 at 7:33
...
Run cURL commands from Windows console
...m using) I need the Git Bash installed. I don't like installing wizards or extra bloat. I'm also not a big fan of trying to use PowerShell to do everything in windows
– BRogers
Mar 6 '17 at 20:10
...
Java code for getting current time [duplicate]
...va.util.Calendar;
public class currentTime {
public static void main(String[] args) {
Calendar cal = Calendar.getInstance();
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
System.out.println( sdf.format(cal.getTime()) );
}
}
You can format SimpleDateFor...
Best design for a changelog / auditing database table? [closed]
...f the message is system generated, just use a key here for the translation string;
– jonathancardoso
Dec 4 '13 at 18:51
4
...
UnicodeDecodeError: 'ascii' codec can't decode byte 0xef in position 1
I'm having a few issues trying to encode a string to UTF-8. I've tried numerous things, including using string.encode('utf-8') and unicode(string) , but I get the error:
...
Is arr.__len__() the preferred way to get the length of an array in Python?
...The same works for tuples:
my_tuple = (1,2,3,4,5)
len(my_tuple)
# 5
And strings, which are really just arrays of characters:
my_string = 'hello world'
len(my_string)
# 11
It was intentionally done this way so that lists, tuples and other container types or iterables didn't all need to explicit...
Why not use tables for layout in HTML? [closed]
... and think about what's wrong here...
class car {
int wheels = 4;
string engine;
}
car mybike = new car();
mybike.wheels = 2;
mybike.engine = null;
The problem, of course, is that a bike is not a car. The car class is an inappropriate class for the bike instance. The code is error-free, ...
Django: Set foreign key using integer?
...at the purpose of the above optimisation, but I would prefer an accidental extra query to being incorrect. So be careful, only use this when you are finished working on your instance (eg employee).
share
|
...
Why is ArrayDeque better than LinkedList
...ian.
The test setup considers:
Each test object is a 500 character String. Each String is a different object in memory.
The size of the test array will be varied during the tests.
For each array size/Queue-implementation combination, 100 tests are run and average time-per-test is c...