大约有 40,000 项符合查询结果（耗时：0.0268秒） [XML]
How to execute mongo commands through shell scripts?
I want to execute mongo commands in shell script, e.g. in a script test.sh :
22 Answers
...
C# Sanitize File Name
...gnoreCase);
}
return sanitisedNamePart;
}
And these are my unit tests
[Test]
public void CoerceValidFileName_SimpleValid()
{
var filename = @"thisIsValid.txt";
var result = PathHelper.CoerceValidFileName(filename);
Assert.AreEqual(filename, result);
}
[Test]
public void Coer...
Test if number is odd or even
...
This would definitely be the fastest way when using integers in a language like C, by a large margin. Has anyone done benchmarks to determine if this is true also for PHP?
– thomasrutter
Dec 5 '13 at 0:03
...
Truncating all tables in a Postgres database
...= 'public'
LOOP
RAISE NOTICE '%',
-- EXECUTE -- dangerous, test before you execute!
format('TRUNCATE TABLE %I.%I CASCADE', _sch, _tbl);
END LOOP;
END
$func$ LANGUAGE plpgsql;
format() requires Postgres 9.1 or later. In older versions concatenate the query string like th...
What is a None value?
...lways returns something, even if it is only that one None object.
You can test for it explicitly:
if foo is None:
# foo is set to None
if bar is not None:
# bar is set to something *other* than None
Another use is to give optional parameters to functions an 'empty' default:
def spam(fo...
Script parameters in Bash
...n these variables too, so for this:
./ocrscript.sh -from /home/kristoffer/test.png -to /home/kristoffer/test.txt
You'll get:
$0 # ocrscript.sh
$1 # -from
$2 # /home/kristoffer/test.png
$3 # -to
$4 # /home/kristoffer/test.txt
It might be easier to omit the -from and the -to, like...
Swift: Testing optionals for nil
...I have this weird situation where I cannot figure out how to appropriately test for optionals.
14 Answers
...
What's the fastest way to convert String to Number in JavaScript?
...as I know.
Number(x);
parseInt(x, 10);
parseFloat(x);
+x;
By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel like it!
...
Format a number as 2.5K if a thousand or more, otherwise 900
...i[i].value).toFixed(digits).replace(rx, "$1") + si[i].symbol;
}
/*
* Tests
*/
var tests = [
{ num: 1234, digits: 1 },
{ num: 100000000, digits: 1 },
{ num: 299792458, digits: 1 },
{ num: 759878, digits: 1 },
{ num: 759878, digits: 0 },
{ num: 123, digits: 1 },
{ num: 12...
What's the difference between a Python “property” and “attribute”?
...lue is cached:
class Misc():
def __init__(self):
self.test = self.test_func()
def test_func(self):
print 'func running'
return 'func value'
cl = Misc()
print cl.test
print cl.test
Output:
func running
func value
func value
We accessed the a...