大约有 3,800 项符合查询结果（耗时：0.0276秒） [XML]
Using a ListAdapter to fill a LinearLayout inside a ScrollView layout
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I use following code which replicate adapter functionality with ViewGroup and TabLayout. Good thing about this is that if you change your list and bind again, it will only affect changed items:
Usage:
val list = mutableListOf<Person>()
layout.bindChildren(list, ...
Regular expression for letters, numbers and - _
...et to show how you can use this pattern:
<?php
$arr = array(
'screen123.css',
'screen-new-file.css',
'screen_new.js',
'screen new file.css'
);
foreach ($arr as $s) {
if (preg_match('/^[\w.-]*$/', $s)) {
print "$s is a match\n";
} else {
print "$s is NO match!!!\n";
};
}
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Convert Rows to columns using 'Pivot' in SQL Server
..., 212),
(105, 2, 78),
(109, 2, 97),
(105, 3, 60),
(102, 3, 123),
(101, 3, 220),
(109, 3, 87);
If your values are known, then you will hard-code the query:
select *
from
(
select store, week, xCount
from yt
) src
pivot
(
sum(xcount)
for week in ([1], [2], [3])
) pi...
What's your favorite “programmer” cartoon?
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Oh! There can be only one:
It's sooo funny, because it's true :)
share
edited Feb 8 '17 at 14:08
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Ruby ampersand colon shortcut [duplicate]
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Fun to see the [*3..7] syntax. I didn't realize you could splat like that!
– Ben Coppock
Jul 11 '19 at 4:54
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How do I find the maximum of 2 numbers?
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Use the builtin function max.
Example:
max(2, 4) returns 4.
Just for giggles, there's a min as well...should you need it. :P
share
|
imp...
Ruby array to string conversion
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I'll join the fun with:
['12','34','35','231'].join(', ')
EDIT:
"'#{['12','34','35','231'].join("', '")}'"
Some string interpolation to add the first and last single quote :P
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Good beginners tutorial to socket.io? [closed]
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A 'fun' way to learn socket.io is to play BrowserQuest by mozilla and look at its source code :-)
http://browserquest.mozilla.org/
https://github.com/mozilla/BrowserQuest
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How to sort ArrayList in decreasing order?
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Java 8
well doing this in java 8 is so much fun and easier
Collections.sort(variants,(a,b)->a.compareTo(b));
Collections.reverse(variants);
Lambda expressions rock here!!!
in case you needed a more than one line logic for comparing a and b you could write it li...
JUnit Testing Exceptions [duplicate]
...xample == null) {
throw new NullPointerException();
}
//do fun things with valid example here
}
Then, when you run this JUnit test you will get a green bar:
@Test(expected = NullPointerException.class)
public void constructorShouldThrowNullPointerException() {
Example example ...