大约有 41,000 项符合查询结果(耗时:0.0419秒) [XML]

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How can I know which radio button is selected via jQuery?

I have two radio buttons and want to post the value of the selected one. How can I get the value with jQuery? 37 Answers ...
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How do I convert an interval into a number of hours with postgres?

... Probably the easiest way is: SELECT EXTRACT(epoch FROM my_interval)/3600 share | improve this answer | follow | ...
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Code Wrap IntelliJ?

...o right click the gutter (the vertical bar where line number is shown) and select "Use Soft wraps" - thanks to Bajal for comment. share | improve this answer | follow ...
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SQL errorORA-01722: invalid number”

... Well it also can be : SELECT t.col1, t.col2, ('test' + t.col3) as test_col3 FROM table t; where for concatenation in oracle is used the operator || not +. In this case you get : ORA-01722: invalid number ... ...
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Is it possible to select the last n items with nth-child?

Using a standard list, I'm trying to select the last 2 list items. I've various permutations of An+B but nothing seems to select the last 2: ...
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LINQ query on a DataTable

...w in myDataTable.AsEnumerable() where myRow.Field<int>("RowNo") == 1 select myRow; And as @Keith says, you'll need to add a reference to System.Data.DataSetExtensions AsEnumerable() returns IEnumerable<DataRow>. If you need to convert IEnumerable<DataRow> to a DataTable, use the...
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Mac SQLite editor [closed]

... info.plist and setting it to YES Running the app on a device Open iTunes Select the device Select the "Apps" tab Scroll down to the "File Sharing" section and select the app The .sqlite file should appear in the right hand pane - select it and "Save to..." Once it's saved open it up in your favour...
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How to execute a bash command stored as a string with quotes and asterisk [duplicate]

...quotes. MYSQL='mysql AMORE -u username -ppassword -h localhost -e' QUERY="SELECT "'*'" FROM amoreconfig" ;# <-- "double"'single'"double" eval $MYSQL "'$QUERY'" Bonus: It also reads nice: eval mysql query ;-) share ...
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How can I use an array of function pointers?

...ived class. Often you see something like this struct function_table { char *name; void (*some_fun)(int arg1, double arg2); }; void function1(int arg1, double arg2).... struct function_table my_table [] = { {"function1", function1}, ... So you can reach into the table by name and ca...
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MySQL IF NOT NULL, then display 1, else display 0

... SELECT c.name, IF(a.addressid IS NULL,0,1) AS addressexists FROM customers c LEFT JOIN addresses a ON c.customerid = a.customerid WHERE customerid = 123 ...