大约有 40,000 项符合查询结果(耗时:0.0528秒) [XML]
SQL Group By with an Order By
...ersions of MySQL, simply alias the aggregate in the SELECT list, and order by the alias:
SELECT COUNT(id) AS theCount, `Tag` from `images-tags`
GROUP BY `Tag`
ORDER BY theCount DESC
LIMIT 20
share
|
...
How to add facebook share button on my website?
...
You can do this by using asynchronous Javascript SDK provided by facebook
Have a look at the following code
FB Javascript SDK initialization
<div id="fb-root"></div>
<script>
window.fbAsyncInit = function() {
FB.init({ap...
Calendar Recurring/Repeating Events - Best Storage Method
...at_interval an amount in seconds between intervals (604800 is 7 days).
By looping over each day in the calendar you can get repeat events using this simple query:
SELECT EV.*
FROM `events` EV
RIGHT JOIN `events_meta` EM1 ON EM1.`event_id` = EV.`id`
WHERE (( 1299736800 - repeat_start) % repeat_...
Find rows that have the same value on a column in MySQL
...used addresses first.
SELECT email,
count(*) AS c
FROM TABLE
GROUP BY email
HAVING c > 1
ORDER BY c DESC
If you want the full rows:
select * from table where email in (
select email from table
group by email having count(*) > 1
)
...
Can Selenium interact with an existing browser session?
...
It appears that this feature is not officially supported by selenium. But, Tarun Lalwani has created working Java code to provide the feature. Refer - http://tarunlalwani.com/post/reusing-existing-browser-session-selenium-java/
Here is the working sample code, copied from the abov...
Place cursor at the end of text in EditText
...
Try this:
EditText et = (EditText)findViewById(R.id.inbox);
et.setSelection(et.getText().length());
share
|
improve this answer
|
follow
...
How to drop SQL default constraint without knowing its name?
...LOW; DROPS ALL THE DEFAULT CONSTRAINTS IN A DATABASE */
/* MAY 03, 2013 - BY WISEROOT */
declare @table_name nvarchar(128)
declare @column_name nvarchar(128)
declare @df_name nvarchar(128)
declare @cmd nvarchar(128)
declare table_names cursor for
SELECT t.name TableName, c.name ColumnName
FRO...
Rails has_and_belongs_to_many migration
...d as a parameter to create_join_table called table_name. From the docs
By default, the name of the join table comes from the union of the
first two arguments provided to create_join_table, in alphabetical
order. To customize the name of the table, provide a :table_name
option:
...
jQuery Determine if a matched class has a given id
...
You can bake that logic into the selector by combining multiple selectors. For instance, we could target all elements with a given id, that also have a particular class:
$("#foo.bar"); // Matches <div id="foo" class="bar">
This should look similar to somethi...
How to set value of input text using jQuery
...
Using jQuery, we can use the following code:
Select by input name:
$('input[name="textboxname"]').val('some value')
Select by input class:
$('input[type=text].textboxclass').val('some value')
Select by input id:
$('#textboxid').val('some value')
...