大约有 45,000 项符合查询结果（耗时：0.0600秒） [XML]
ORDER BY the IN value list
...n't need a subquery, we can use the set-returning function like a table.
A string literal to hand in the array instead of an ARRAY constructor may be easier to implement with some clients.
Detailed explanation:
PostgreSQL unnest() with element number
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Warn user before leaving web page with unsaved changes
...ou can do this by handling the beforeunload event and returning a non-null string:
window.addEventListener("beforeunload", function (e) {
var confirmationMessage = 'It looks like you have been editing something. '
+ 'If you leave before saving, your changes will be l...
Disable button in jQuery
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Use .prop instead (and clean up your selector string):
function disable(i){
$("#rbutton_"+i).prop("disabled",true);
}
generated HTML:
<button id="rbutton_1" onclick="disable(1)">Click me</button>
<!-- wrap your onclick in quotes -->
But the ...
How to split() a delimited string to a List
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string.Split() returns an array - you can convert it to a list using ToList():
listStrLineElements = line.Split(',').ToList();
Note that you need to import System.Linq to access the .ToList() function.
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C state-machine design [closed]
... an enum. It also makes for much cleaner code since you don't need all the extra cruft of function pointers or huge switch statements and while loops. Did I mention it's more efficient too?
Here's what a state machine might look like:
void state_machine() {
first_state:
// Do some stuff here
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Typescript: difference between String and string
Does anyone know the difference between String and string in TypeScript? Am I correct in assuming that they ought to be the same?
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Using printf with a non-null terminated string
Suppose you have a string which is NOT null terminated and you know its exact size, so how can you print that string with printf in C? I recall such a method but I can not find out now...
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Is a url query parameter valid if it has no value?
...r-side framework/code
The URI RFC doesn't mandate a format for the query string. Although it is recognized that the query string will often carry name-value pairs, it is not required to (e.g. it will often contain another URI).
3.4. Query
The query component contains non-hierarchical da...
How to get the selected index of a RadioGroup in Android
...oGroup:
RadioButton r = (RadioButton) radioButtonGroup.getChildAt(idx);
String selectedtext = r.getText().toString();
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How do I format a long integer as a string without separator in Java?
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Just use Long.toString(long foo)
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