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UIScrollView Scrollable Content Size Ambiguity
...
This error took me a while to track down, initially I tried pinning the ScrollView's size but the error message clearly says "content size". I made sure everything I pinned from the top of the ScrollView was also pinned to the bo...
How to efficiently concatenate strings in go
... b.StopTimer()
if s := strings.Repeat("x", b.N); str != s {
b.Errorf("unexpected result; got=%s, want=%s", str, s)
}
}
func BenchmarkBuffer(b *testing.B) {
var buffer bytes.Buffer
for n := 0; n < b.N; n++ {
buffer.WriteString("x")
}
b.StopTimer()
if ...
In Go's http package, how do I get the query string on a POST request?
...o, sample codes as below would work.
func parseRequest(req *http.Request) error {
var err error
if err = req.ParseForm(); err != nil {
log.Error("Error parsing form: %s", err)
return err
}
_ = req.Form.Get("xxx")
return nil
}
...
How to find the mysql data directory from command line in windows
... in linux. It does not execute well in windows xp. the first command gives error - you have error in your sql syntax near where Variable_Name = 'dirname'. The second command gives error - unknown database information_schema
– Prabhu
Aug 1 '13 at 1:57
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How to var_dump variables in twig templates?
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I get the following error: ` Twig_Error_Syntax - Unknown "dump" function`
– Pathros
Sep 21 '16 at 19:18
...
Creating email templates with Django
...: "Gilbert"}) because Context is deprecated. When I used Context, I got an error > TypeError: context must be a dict rather than Context
text_content = render_to_string('receipt_email.txt', context, request=request)
html_content = render_to_string('receipt_email.html', context, request=r...
RequestDispatcher.forward() vs HttpServletResponse.sendRedirect()
...e (e.g. validation, business logic, login the user, etc).
If there are any errors, then you normally want to forward the request back to the same page and display the errors there next to the input fields and so on. You can use the RequestDispatcher for this.
If a POST is successful, you normally wa...
Is there a minlength validation attribute in HTML5?
...
@ChaZ @Basj You can add a custom error message by adding the following attribute: oninvalid="this.setCustomValidity('Your message')"
– bigtex777
Nov 26 '14 at 20:31
...
How to call a function from a string stored in a variable?
...
How could I void function definition error if the the function was not defined? Does if($functionName) enough?
– SaidbakR
May 2 '13 at 9:27
14...
Difference between `const shared_ptr` and `shared_ptr`?
...t; sA(new A);
shared_ptr<A> sA2(new A);
sA = sA2; // compile-error
return sA;
}
shared_ptr<A> f2() {
shared_ptr<const A> sA(new A);
sA->a = 4; // compile-error
return sA;
}
int main(int argc, char** argv) {
f1();
f2();
return 0;
}
...