大约有 40,000 项符合查询结果（耗时：0.0385秒） [XML]
jQuery: count number of rows in a table
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Use a selector that will select all the rows and take the length.
var rowCount = $('#myTable tr').length;
Note: this approach also counts all trs of every nested table!
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Replace tabs with spaces in vim
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And being Vim, it works on visually selected regions too :)
– Andy
Dec 22 '15 at 21:41
3
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The definitive guide to form-based website authentication [closed]
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A cryptographic hash should not be used for password storage because user-selected passwords are not strong enough (i.e. do not usually contain enough entropy) and a password guessing attack could be completed in a relatively short time by an attacker with access to the hashes. This is why KDFs are...
Changing the size of a column referenced by a schema-bound view in SQL Server
...ethod. not just the return on the search process.
view the table class
select * from class
change the length of the columns FacID (seen as "faci") and classnumber (seen as "classnu") to fit the whole labels.
alter table class modify facid varchar (5);
alter table class modify classnumber v...
How to make UIButton's text alignment center? Using IB
...wer version of xcode (mine is xcode 6.1) we have property attributed title
Select Attributed then select the text and press centre option below
P.S. The text was not coming multiline for that I have to set the
btn.titleLabel.numberOfLines = 0
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Command line for looking at specific port
...080"
In bash:
netstat -na | grep "8080"
In PowerShell:
netstat -na | Select-String "8080"
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How to remove all of the data in a table using Django
... /admin/dc_dash/model_4/
relation "dc_dash_model_4" does not exist
LINE 1: SELECT COUNT(*) AS "__count" FROM "dc_dash_model_4"
Do consider that - if we do not go to the ADMIN Console and try and see objects of the model - which have been already deleted - the Django app works just as intended.
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How can I set a custom date time format in Oracle SQL Developer?
...veloper's menu go to: Tools > Preferences.
From the Preferences dialog, select Database > NLS from the left panel.
From the list of NLS parameters, enter DD-MON-RR HH24:MI:SS into the Date Format field.
Save and close the dialog, done!
Here is a screenshot:
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How do I get the last inserted ID of a MySQL table in PHP?
...TO_INCREMENT column by that client. This is the reason you should not use select MAX(ID)
– woens
Oct 4 '12 at 20:15
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Getting the SQL from a Django QuerySet [duplicate]
...t;> queryset = MyModel.objects.all()
>>> print(queryset.query)
SELECT "myapp_mymodel"."id", ... FROM "myapp_mymodel"
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