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How to prevent buttons from submitting forms
..., making it easier to debug... it also allows you to implement a fall-back by changing the type on the buttons back to submit and handling the event server-side - this is known as unobtrusive JavaScript.
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How to prevent custom views from losing state across screen orientation changes
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You do this by implementing View#onSaveInstanceState and View#onRestoreInstanceState and extending the View.BaseSavedState class.
public class CustomView extends View {
private int stateToSave;
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@Override
public Parcelable...
CSS selector with period in ID
...some\\.id to escape the special character. The first backslash is consumed by Stylus, leaving the remaining backslash in the compiled CSS, which achieves the desired result described in this answer.
– markrian
Aug 15 '16 at 15:27
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Splitting string into multiple rows in Oracle
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This may be an improved way (also with regexp and connect by):
with temp as
(
select 108 Name, 'test' Project, 'Err1, Err2, Err3' Error from dual
union all
select 109, 'test2', 'Err1' from dual
)
select distinct
t.name, t.project,
trim(regexp_substr(t.error, '[^,]+...
Throw an error in a MySQL trigger
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Unfortunately, the answer provided by @RuiDC does not work in MySQL versions prior to 5.5 because there is no implementation of SIGNAL for stored procedures.
The solution I've found is to simulate a signal throwing a table_name doesn't exist error, pushing a ...
Accessing Object Memory Address
...al question? The answer posted here is recreating the address as requested by the original question. Wouldn't you have to string mangle if you did it the way you suggest?
– Rafe
Mar 13 '17 at 20:03
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In CSS what is the difference between “.” and “#” when declaring a set of styles?
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"named element" is misleading
– Bobby Jack
Mar 2 '09 at 12:41
@Bobby -- so what do you call it when ...
Difference between and
...red in the application context (no matter if they were defined with XML or by package scanning).
<context:component-scan> can also do what <context:annotation-config> does but <context:component-scan> also scans packages to find and register beans within the application context.
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Can I return the 'id' field after a LINQ insert?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Change one value based on another value in pandas
...we are adding a new description column as a concatenation of other columns by using the + operation which is overridden for series. Fancy string formatting, f-strings etc won't work here since the + applies to scalars and not 'primitive' values:
df['description'] = 'A ' + df.age.astype(str) + ' yea...