大约有 15,000 项符合查询结果（耗时：0.0363秒） [XML]
How can I determine if a String is non-null and not only whitespace in Groovy?
...ss.getNotBlank = { !delegate.allWhitespace }
which let's you do:
groovy:000> foo = ''
===>
groovy:000> foo.notBlank
===> false
groovy:000> foo = 'foo'
===> foo
groovy:000> foo.notBlank
===> true
...
What is the difference between `sorted(list)` vs `list.sort()`?
...s our setup:
import timeit
setup = """
import random
lists = [list(range(10000)) for _ in range(1000)] # list of lists
for l in lists:
random.shuffle(l) # shuffle each list
shuffled_iter = iter(lists) # wrap as iterator so next() yields one at a time
"""
And here's our results for a list of ...
How to find list of possible words from a letter matrix [Boggle Solver]
... nobody did it I'm mentioning it.
It reduced me from a dictionary of 200,000 keys to only 2,000 keys simply during the input pass. This at the very least reduces memory overhead, and that's sure to map to a speed increase somewhere as memory isn't infinitely fast.
Perl Implementation
My impleme...
Remove duplicate elements from array in Ruby
...ht:
require 'fruity'
require 'set'
array = [1,2,2,1,4,4,5,6,7,8,5,6] * 1_000
def mithun_sasidharan(ary)
ary.uniq
end
def jaredsmith(ary)
ary & ary
end
def lri(ary)
counts = Hash.new(0)
ary.each { |v| counts[v] += 1 }
counts.select { |v, count| count == 1 }.keys
end
def finks(ary...
jQuery: How can i create a simple overlay?
... 0;
left: 0;
width: 100%;
height: 100%;
background-color: #000;
filter:alpha(opacity=50);
-moz-opacity:0.5;
-khtml-opacity: 0.5;
opacity: 0.5;
z-index: 10000;
}
This will be your jQuery code (no UI needed). You're just going to create a new element with the ID #...
JavaScript function to add X months to a date
... 28 2016 18:00:00 GMT-0600 (CST)
> d.toISOString()
"2016-03-29T00:00:00.000Z"
Update for non-UTC dates: (by A.Hatchkins)
function addMonths (date, count) {
if (date && count) {
var m, d = (date = new Date(+date)).getDate()
date.setMonth(date.getMonth() + count, 1)
m = da...
How do you get a timestamp in JavaScript?
...
To get the timestamp in seconds, you can use:
Math.floor(Date.now() / 1000)
Or alternatively you could use:
Date.now() / 1000 | 0
Which should be slightly faster, but also less readable (also see this answer).
I would recommend using Date.now() (with compatibility shim). It's slightly bett...
How do I check if a given string is a legal/valid file name under Windows?
...\?\ prefix)
Unicode file paths (including the file name) with more than 32,000 characters when using \?\ (note that prefix may expand directory components and cause it to overflow the 32,000 limit)
share
|
...
Efficient way to remove ALL whitespace from String?
...input, string expected)
{
string s = null;
for (int i = 0; i < 1000000; i++)
{
s = input.RemoveWhitespace();
}
Assert.AreEqual(expected, s);
}
[Test]
[TestCase("123 123 1adc \n 222", "1231231adc222")]
public void RemoveWhiteSpace2(string input, string expected)
{
...
Improving bulk insert performance in Entity framework [duplicate]
I want to insert 20000 records in a table by entity framework and it takes about 2 min. Is there any way other than using SP to improve its performance. This is my code:
...