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mysql :: insert into table, data from another table?
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INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date)
SELECT campaign_id, from_number, received_msg, date_received
FROM `received_txts`
WHERE `campaign_id` = '8'
share
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Linq to Entities join vs groupjoin
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Behaviour
Suppose you have two lists:
Id Value
1 A
2 B
3 C
Id ChildValue
1 a1
1 a2
1 a3
2 b1
2 b2
When you Join the two lists on the Id field the result will be:
Value ChildValue
A a1
A a2
A a3
B b1
B b2
When you GroupJoin...
Which SQL query is faster? Filter on Join criteria or Where clause?
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SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
AND a.ID = 1
LEFT JOIN
TableB b
ON x.TableBID = b.ID
or this:
SELECT *
FROM TableA a
LEFT JOIN
TableXRef x
ON x.TableAID = a.ID
LEFT JOIN
TableB b
ON b.id = x.Ta...
Right Align button in horizontal LinearLayout
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Use below code for that
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_marginTop="35dp"
android:orientation="horizontal" >
<TextView
...
What's the difference between interface and @interface in java?
... Great thanks, good to know. So what was the rationale for calling it @interface, rather then say @annotation I wonder.. seems like an unnecessarily overloaded term.
– Bittercoder
May 27 '09 at 23:46
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Paging in a Rest Collection
...oing is really simple. My solution only makes a sense for what REST people call a collection.
Client MUST include a "Range" header to indicate which part of the collection he needs, or otherwise be ready to handle a 413 REQUESTED ENTITY TOO LARGE error when the requested collection is too large to ...
getResourceAsStream() vs FileInputStream
...etAbsolutePath());
However, the working directory is in no way programmatically controllable. You should really prefer using absolute paths in the File API instead of relative paths. E.g. C:\full\path\to\file.ext.
You don't want to hardcode or guess the absolute path in Java (web)applications. That...
How do I pass variables and data from PHP to JavaScript?
...t object reference - MDN
How do I return the response from an asynchronous call?
2. Echo the data into the page somewhere, and use JavaScript to get the information from the DOM
This method is less preferable to AJAX, but it still has its advantages. It's still relatively separated between PHP an...
Git, How to reset origin/master to a commit?
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Assuming that your branch is called master both here and remotely, and that your remote is called origin you could do:
git reset --hard <commit-hash>
git push -f origin master
However, you should avoid doing this if anyone else is working with y...
How to generate unique ID with node.js
...upposed to use callbacks. What will happen with your code, is that base.getID query will get queued up by for execution, but the while loop will continusouly run as a busy loop pointlessly.
You should be able to solve your issue with a callback as follows:
function generate(count, k) {
var _sy...