大约有 47,000 项符合查询结果（耗时：0.0427秒） [XML]
Where are the PostgreSQL logs on macOS?
...
Just ask your database:
SELECT
*
FROM
pg_settings
WHERE
category IN( 'Reporting and Logging / Where to Log' , 'File Locations')
ORDER BY
category,
name;
In my case, it's in "/Library/PostgreSQL/8.4/data/pg_log"
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MongoDb query condition on comparing 2 fields
...have a collection T , with 2 fields: Grade1 and Grade2 , and I want to select those with condition Grade1 > Grade2 , how can I get a query like in MySQL?
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How to add a “readonly” attribute to an ?
...to blank/empty string, so if you have have any CSS that uses the attribute selector for [readonly="readonly"], then you'll have to change this to [readonly] (or include both).
– Luke
Oct 28 '13 at 19:58
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How to upload, display and save images using node.js and express [closed]
.... This needs to be done using an "Upload" button, which prompts for a file-selection.
1 Answer
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Generate a random letter in Python
...tates If the relative weights or cumulative weights are not specified, the selections are made with equal probability. This would mean, that the distribution is the discrete uniform distribution (en.wikipedia.org/wiki/Discrete_uniform_distribution).
– Qaswed
Oc...
UPDATE and REPLACE part of a string
... (N'19-4-2015', N'Monay', 2)
DECLARE @Date Nvarchar(200)
SET @Date = (SELECT [Date] FROM Tbl_PersonalDetail WHERE ID = 2)
Update Tbl_PersonalDetail SET [Date] = (REPLACE(@Date , '-','/')) WHERE ID = 2
share
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Cannot find JavaScriptSerializer in .Net 4.0
... click References and do Add Reference, then from Assemblies->Framework select System.Web.Extensions.
Now you should be able to add the following to your class file:
using System.Web.Script.Serialization;
share
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How to enable or disable an anchor using jQuery?
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Selected Answer is not good.
Use pointer-events CSS style. (As Rashad Annara suggested)
See MDN https://developer.mozilla.org/en-US/docs/Web/CSS/pointer-events.
Its supported in most browsers.
Simple adding "disabled" attr...
How to focus on a form input text field on page load using jQuery?
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This works for my scenario but the selected answer did not for some reason.
– Vishnu Y S
Aug 31 '18 at 7:41
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Using an if statement to check if a div is empty
...SS:
.someDiv:empty {
display: none;
}
Unfortunately there is no CSS selector that selects the previous sibling element. There is only for the next sibling element: x ~ y
.someDiv:empty ~ .anotherDiv {
display: none;
}
Using jQuery
Checking text length of element with text() function
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