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Make multiple-select to adjust its height to fit options without scroll bar
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I guess you can use the size attribute. It works in all recent browsers.
<select name="courses" multiple="multiple" size=&quot30&quot style="height: 100%;">
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What is the correct JSON content type?
...oding is UTF-8. (Source: RFC 4627).
For JSONP (runnable JavaScript) with callback:
application/javascript
Here are some blog posts that were mentioned in the relevant comments:
Why you shouldn't use text/html for JSON
Internet Explorer sometimes has issues with application/json
A rather complete ...
What's the point of g++ -Wreorder?
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This can bite you if your initializers have side effects. Consider:
int foo() {
puts("foo");
return 1;
}
int bar() {
puts("bar");
return 2;
}
struct baz {
int x, y;
baz() : y(foo()), x(bar()) {}
};
The above will print "bar" then "foo", even though intuitively one woul...
How do I trim whitespace?
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For leading and trailing whitespace:
s = ' foo \t '
print s.strip() # prints "foo"
Otherwise, a regular expression works:
import re
pat = re.compile(r'\s+')
s = ' \t foo \t bar \t '
print pat.sub('', s) # prints "foobar"
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Linq to SQL how to do “where [column] in (list of values)”
... @KiranSolkar: Then presumably codeIDs would be a List<int>, and all would be fine.
– Jon Skeet
Dec 3 '16 at 8:59
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What does the “@” symbol do in Powershell?
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PowerShell will actually treat any comma-separated list as an array:
"server1","server2"
So the @ is optional in those cases. However, for associative arrays, the @ is required:
@{"Key"="Value";"Key2"="Value2"}
Officially, @ is the "array ...
MySQL Select all columns from one table and some from another table
How do you select all the columns from one table and just some columns from another table using JOIN? In MySQL.
4 Answers
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Spring 3 RequestMapping: Get path value
...WITHIN_HANDLER_MAPPING_ATTRIBUTE:
@RequestMapping("/{id}/**")
public void foo(@PathVariable("id") int id, HttpServletRequest request) {
String restOfTheUrl = (String) request.getAttribute(
HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
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}
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On showing dialog i get “Can not perform this action after onSaveInstanceState”
...yMe;
This may lead to unexpected results in some cases. Better use commitAllowingStateLoss() instead of commit()
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How do Third-Party “tracking cookies” work?
...com, then the response might come back with a header that says Set-Cookie: foo=bar. Your browser stores this cookie, and on any subsequent requests to http://example.com, your browser will send foo=bar in the Cookie header. (Or at least until the cookie expires or is deleted.) The browser sends the ...