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How to scroll to bottom in a ScrollView on activity startup
...
It needs to be done as following:
getScrollView().post(new Runnable() {
@Override
public void run() {
getScrollView().fullScroll(ScrollView.FOCUS_DOWN);
}
});
This way the view is first update...
Fast way to discover the row count of a table in PostgreSQL
...ables is known to be slow in PostgreSQL. To get a precise number it has to do a full count of rows due to the nature of MVCC. There is a way to speed this up dramatically if the count does not have to be exact like it seems to be in your case.
Instead of getting the exact count (slow with big table...
How Python web frameworks, WSGI and CGI fit together
...- the CGI subprocess inherits an OS environment including the socket and stdout. The CGI subprocess writes a response, which goes back to Apache; Apache sends this response to the browser.
CGI is primitive and annoying. Mostly because it forks a subprocess for every request, and subprocess must e...
Python way of printing: with 'format' or percent form? [duplicate]
...d, especially if you're concerned about Python 3 and the future. From the documentation:
The formatting operations described here are modelled on C's printf()
syntax. They only support formatting of certain builtin types. The
use of a binary operator means that care may be needed in...
Understanding exactly when a data.table is a reference to (vs a copy of) another data.table
...e copy reported. That is a copy of the first 10 rows that the print method does. When wrapped with invisible() or when called within a function or script, the print method isn't called.
All this applies inside functions too; i.e., := and set() do not copy on write, even within functions. If you ne...
JUnit Testing Exceptions [duplicate]
...ame can't be null"). I know about org.junit.rules.ExpectedException, but I do not want to create an instance and using .expect( and .expectMessage(
– Dr.jacky
Oct 8 '19 at 8:09
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How to set the style -webkit-transform dynamically using JavaScript?
...kitTransform
element.style.webkitTransform = "rotate(-2deg)";
Check the DOM extension reference for WebKit here.
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InputStream from a URL
How do I get an InputStream from a URL?
6 Answers
6
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CSS3 box-sizing: margin-box; Why not?
Why don't we have box-sizing: margin-box; ? Usually when we put box-sizing: border-box; in our style sheets we really mean the former.
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What is Ruby equivalent of Python's `s= “hello, %s. Where is %s?” % (“John”,“Mary”)`
...John"
name2 = "Mary"
"hello, #{name1}. Where is #{name2}?"
You can also do format strings in Ruby.
"hello, %s. Where is %s?" % ["John", "Mary"]
Remember to use square brackets there. Ruby doesn't have tuples, just arrays, and those use square brackets.
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