大约有 41,000 项符合查询结果（耗时：0.0502秒） [XML]
What .NET collection provides the fastest search
...
143
In the most general case, consider System.Collections.Generic.HashSet as your default "Contains...
How to convert a string to lower or upper case in Ruby
...
4
Watch out! looks to me like using the bang "!" will return nil if there's no capital letter. so str = "this".downcase! returns str = ni...
How to determine the screen width in terms of dp or dip at runtime in Android?
...ris Stillwell
8,60977 gold badges5757 silver badges6464 bronze badges
answered Aug 1 '12 at 8:19
DaxDax
6,46255 gold badges2020 si...
Prevent text selection after double click
...
354
function clearSelection() {
if(document.selection && document.selection.empty) {
...
Overriding a Rails default_scope
... Pär WieslanderPär Wieslander
26.1k55 gold badges4747 silver badges5050 bronze badges
...
Notepad++ htmltidy - unable to find libtidy.dll
...
148
Oh, it looks like it's something annoying with plugins not being included in 5.9.3, but being i...
Make a div fill the height of the remaining screen space
...ox .row.content {
flex: 1 1 auto;
}
.box .row.footer {
flex: 0 1 40px;
}
<!-- Obviously, you could use HTML5 tags like `header`, `footer` and `section` -->
<div class="box">
<div class="row header">
<p><b>header</b>
<br />
...
Performing user authentication in Java EE / JSF using j_security_check
...
4 Answers
4
Active
...
How to set DialogFragment's width and height?
... |
edited Sep 1 '15 at 14:00
david.schreiber
3,65122 gold badges2222 silver badges4444 bronze badges
a...
Can I concatenate multiple MySQL rows into one field?
...s_hobbies
GROUP BY person_id;
As Dag stated in his comment, there is a 1024 byte limit on the result. To solve this, run this query before your query:
SET group_concat_max_len = 2048;
Of course, you can change 2048 according to your needs. To calculate and assign the value:
SET group_concat_max_le...