大约有 43,000 项符合查询结果（耗时：0.0254秒） [XML]
How to debug Google Apps Script (aka where does Logger.log log to?)
...t = checklist_data_range.getCell(i+2, 3).getValue().split(" || ");
var item_id = split[split.length - 1];
if(item_id != "") {
item_id = parseInt(item_id);
Logger.log("setting value at ("+(i+2)+",2) to " + coredata_data_range.getCell(item_id+1, 3).getValue());
checklist_data...
How to get ID of the last updated row in MySQL?
...prised that among the answers I do not see the easiest solution.
Suppose, item_id is an integer identity column in items table and you update rows with the following statement:
UPDATE items
SET qwe = 'qwe'
WHERE asd = 'asd';
Then, to know the latest affected row right after the statement, you sh...
How do I download a binary file over HTTP?
...ple.flv')
begin
http.request_get('/sample.flv') do |resp|
resp.read_body do |segment|
f.write(segment)
end
end
ensure
f.close()
end
share
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improve this answ...
How to find the extension of a file in C#?
...
You may simply read the stream of a file
using (var target = new MemoryStream())
{
postedFile.InputStream.CopyTo(target);
var array = target.ToArray();
}
First 5/6 indexes will tell you the file type. In case of FLV its 70, 76, ...
Oracle “Partition By” Keyword
...grouped by brand"
You say: "no problem"
SELECT
BRAND
,COUNT(ITEM_ID)
FROM
ITEMS
GROUP BY
BRAND;
Result:
+--------------+---------------+
| Brand | Count |
+--------------+---------------+
| H&M | 50 |
+--------------+----------...
What is the most efficient way to store tags in a database?
...overcome the many-to-many obstacle.
Something like:
Table: Items
Columns: Item_ID, Item_Title, Content
Table: Tags
Columns: Tag_ID, Tag_Title
Table: Items_Tags
Columns: Item_ID, Tag_ID
It might be that your web app is very very popular and need de-normalizing down the road, but it's pointless ...
Database Design for Tagging
...e items would be
SELECT * FROM items WHERE id IN
(SELECT DISTINCT item_id FROM item_tag WHERE
tag_id = tag1 OR tag_id = tag2 OR ...)
AND tagging would be
SELECT * FROM items WHERE
EXISTS (SELECT 1 FROM item_tag WHERE id = item_id AND tag_id = tag1)
AND EXISTS (SELEC...
Rails params explained?
...For example, if the user's browser requested
http://www.example.com/?vote[item_id]=1&vote[user_id]=2
then params[:vote] would be a hash, params[:vote][:item_id] would be "1" and params[:vote][:user_id] would be "2".
The Ruby on Rails params are the equivalent of the $_REQUEST array in PHP.
...
`ui-router` $stateParams vs. $state.params
...s:
var stateParams = {};
stateParams.nextParams = $stateParams; //{item_id:123}
stateParams.next = $state.current.name;
$state.go('app.login', stateParams);
//$stateParams.nextParams on app.login is now:
//{next:'app.details', nextParams:{next:'app.details'}}
When using $state.param...
Rest with Express.js nested router
...(function(req, res) {})
.post(function(req, res) {})
itemRouter.route('/:item_id')
.get(function(req, res) {
return res.send(req.params);
});
app.use('/user/', userRouter);
app.use('/user/:user_id/item', itemRouter);
The key to the second part of your question is the use of the mergePar...