大约有 43,000 项符合查询结果(耗时:0.0249秒) [XML]
Lightweight XML Viewer that can handle large files [closed]
... I've just tried it with a 250 MB document and it works like a charm! Only thing I can't figure out is how to "make" it display HTML Entity as a value (eg, HTML Entity (decimal) from fileformat.info/info/unicode/char/160/index.htm)
– Andrija
Jul 13 ...
What is the “N+1 selects problem” in ORM (Object-Relational Mapping)?
The "N+1 selects problem" is generally stated as a problem in Object-Relational mapping (ORM) discussions, and I understand that it has something to do with having to make a lot of database queries for something that seems simple in the object world.
...
quick random row selection in Postgres
...
You might want to experiment with OFFSET, as in
SELECT myid FROM mytable OFFSET floor(random()*N) LIMIT 1;
The N is the number of rows in mytable. You may need to first do a SELECT COUNT(*) to figure out the value of N.
Update (by Antony Hatchkins)
You must use floor he...
In Ruby, is there an Array method that combines 'select' and 'map'?
...
I usually use map and compact together along with my selection criteria as a postfix if. compact gets rid of the nils.
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}
=> [3, 3, 3, nil, nil, nil]
jruby-1.5.0 > [1,1,1,2,3,4].map{|n| n*3 if n==1}.compact
=> ...
Getting value of select (dropdown) before change
The thing I want to achieve is whenever the <select> dropdown is changed I want the value of the dropdown before change. I am using 1.3.2 version of jQuery and using on change event but the value I am getting over there is after change.
...
Changing selection in a select with the Chosen plugin
I'm trying to change the currently selected option in a select with the Chosen plugin.
4 Answers
...
How to solve the error LNK2019: unresolved external symbol - function?
...me so I thought I might share my solution, as simple as it was:
Check the Character Set of both projects in Configuration Properties -> General -> Character Set
My UnitTest project was using the default Character Set Multi-Byte while my libs where in Unicode.
My function was using a TCHAR as...
Convert special characters to HTML in Javascript
Does any one know how to convert special characters to HTML in Javascript ?
26 Answers
...
Define variable to use with IN operator (T-SQL)
... VALUES (2)
INSERT INTO @MyList VALUES (3)
INSERT INTO @MyList VALUES (4)
SELECT *
FROM MyTable
WHERE MyColumn IN (SELECT Value FROM @MyList)
share
|
improve this answer
|
...
Index of Currently Selected Row in DataGridView
It's that simple. How do I get the index of the currently selected Row of a DataGridView ? I don't want the Row object, I want the index (0 .. n).
...
