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How is __eq__ handled in Python and in what order?
... A.__eq__, since it exists. Its code includes self.value == other. Since int's don't know how to compare themselves to B's, Python tries invoking B.__eq__ to see if it knows how to compare itself to an int.
If you amend your code to show what values are being compared:
class A(object):
def _...
C# DateTime to UTC Time without changing the time
How would I convert a preexisting datetime to UTC time without changing the actual time.
4 Answers
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Add Text on Image using PIL
...t, Which basically finds the character which will be last in each line and converts white space before this character to new-line.
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SQLiteDatabase.query method
...,
null, null, orderBy);
// since we have a named column we can do
int idx = c.getColumnIndex("max");
is equivalent to the following raw query
String queryString =
"SELECT column1, (SELECT max(column1) FROM table1) AS max FROM table1 " +
"WHERE column1 = ? OR column1 = ? ORDER BY ...
Getting activity from context in android
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This is something that I have used successfully to convert Context to Activity when operating within the UI in fragments or custom views. It will unpack ContextWrapper recursively or return null if it fails.
public Activity getActivity(Context context)
{
if (context == n...
How do you echo a 4-digit Unicode character in Bash?
...
Quick one-liner to convert UTF-8 characters into their 3-byte format:
var="$(echo -n '☠' | od -An -tx1)"; printf '\\x%s' ${var^^}; echo
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Add new item in existing array in c#.net
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Arrays in C# are immutable, e.g. string[], int[]. That means you can't resize them. You need to create a brand new array.
Here is the code for Array.Resize:
public static void Resize<T>(ref T[] array, int newSize)
{
if (newSize < 0)
{
throw ...
How to count items in a Go map?
...le examples ported from the now-retired SO documentation:
m := map[string]int{}
len(m) // 0
m["foo"] = 1
len(m) // 1
If a variable points to a nil map, then len returns 0.
var m map[string]int
len(m) // 0
Excerpted from Maps - Counting map elements. The original author was Simone Carletti....
How can I determine what font a browser is actually using to render some text?
...n pasting from Firefox (where for "웃" Firefox's "Apple SD Gothic Neo" is converted into "AppleMyungjo" on pasting), but works well for Safari and Chrome:
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Rounding up to next power of 2
... for a 32-bit value:
Round up to the next highest power of 2
unsigned int v; // compute the next highest power of 2 of 32-bit v
v--;
v |= v >> 1;
v |= v >> 2;
v |= v >> 4;
v |= v >> 8;
v |= v >> 16;
v++;
The extension to other widths should be obvious.
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