大约有 20,000 项符合查询结果（耗时：0.0844秒） [XML]
How to perform a real time search and filter on a HTML table
...ctionality using regular expressions will allow you to search words in any order in the row. It will work the same if you type apple green or green apple:
var $rows = $('#table tr');
$('#search').keyup(function() {
var val = '^(?=.*\\b' + $.trim($(this).val()).split(/\s+/).join('\\b)(?=.*\\b')...
select * vs select column
...as to what you want, it will first need to check the table's definition in order to determine the columns on that table. That lookup will cost some time - not much in a single query - but it adds up over time
if you need only 2/3 of the columns, you're selecting 1/3 too much data which needs to be r...
View's SELECT contains a subquery in the FROM clause
...y client_id
create view view_credit_status as
select
credit_orders.client_id,
sum(credit_orders.number_of_credits) as purchased,
ifnull(t1.credits_used,0) as used
from credit_orders
left outer join view_clients_credit_usage as t1 on t1.client_id = credit_ord...
Getting an object from an NSSet
... to get a member (not random), or convert it to an array (in no particular order) with allObjects.
A set is appropriate when you don't want duplicates, don't care about order, and want fast membership testing.
share
...
The type must be a reference type in order to use it as parameter 'T' in the generic type or method
...koverflow.com%2fquestions%2f6451120%2fthe-type-must-be-a-reference-type-in-order-to-use-it-as-parameter-t-in-the-gen%23new-answer', 'question_page');
}
);
Post as a guest
...
CSS selector for a checked radio button's label
...stify-content: center;
}
.filter-label {
display: inline-block;
border: 4px solid green;
padding: 10px 20px;
font-size: 1.4em;
text-align: center;
cursor: pointer;
}
main {
clear: left;
}
.content {
padding: 3% 10%;
display: none;
}
h1 {
font-size: 2em;
...
What are the most common SQL anti-patterns? [closed]
...t *, you get whatever is in the table. Those columns may change names and order. Client code frequently relies on names and order. Every 6 months I'm asked how to preserve column order when modifying a table. If the rule was followed it wouldn't matter.
– Amy B
...
How to set iPhone UIView z index?
...
UIView siblings are stacked in the order in which they are added to their superview. The UIView hierarchy methods and properties are there to manage view order. In UIView.h:
@property(nonatomic,readonly) UIView *superview;
@property(nonatomic,readonly,copy) N...
Reset/remove CSS styles for element only
...background : 0;
background-attachment : scroll;
background-clip : border-box;
background-color : transparent;
background-image : none;
background-origin : padding-box;
background-position : 0 0;
background-position-x : 0;
background-position-y : 0;
background-repe...
Is there any way to put malicious code into a regular expression?
...ar Expression Matching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
If you only ...