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How do I print out the contents of an object in Rails for easy debugging?
...nteger
precision:
scale:
limit:
range: !ruby/range
begin: -2147483648
end: 2147483648
excl: true
title: &3 !ruby/object:ActiveRecord::Type::String
precision:
scale:
limit:
...
How to get a Docker container's IP address from the host
...omes to the rescue.
Modern Docker client syntax is:
docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' container_name_or_id
Old Docker client syntax is:
docker inspect --format '{{ .NetworkSettings.IPAddress }}' container_name_or_id
These commands will return the Doc...
Which characters make a URL invalid?
...
@Weeble My regex included those characters by using ranges. Between '&' and ';' and between '?' and '[' you'll find all those characters you didn't see.
– Leif Wickland
Jul 2 '12 at 16:57
...
How to format date and time in Android?
...va.text.SimpleDateFormat (what you linked and uses H for hours in the 0-23 range) and android.text.format.DateFormat (what the answer is about and uses k for hours in the 0-23 range)
– dnet
Dec 7 '12 at 22:51
...
Get cursor position (in characters) within a text Input field
...et (cursor) position of the specified text field (oField).
** Return value range is 0-oField.value.length.
*/
function doGetCaretPosition (oField) {
// Initialize
var iCaretPos = 0;
// IE Support
if (document.selection) {
// Set focus on the element
oField.focus();
// To get ...
How to manage REST API versioning with spring?
...ring runtime. To do so, you will have to:
Create a new annotation VersionRange.
Implement a RequestCondition<VersionRange>. Since you will have something like a best-match algorithm you will have to check whether methods annotated with other VersionRange values provide a better match for the...
Why do I get an UnsupportedOperationException when trying to remove an element from a List?
... with random indices, it's better to generate enough random numbers in the range, and then traversing the List once with a listIterator(), calling remove() at appropriate indices. There are questions on stackoverflow on how to generate random but distinct numbers in a given range.
With this, your a...
Alternative to google finance api [closed]
...,
#["noname", ["g4", "Holdings Gain"]],
#["noname", ["m", "Day’s Range"]],
#["noname", ["g5", "Holdings Gain Percent (Realtime)"]],
#["noname", ["m2", "Day’s Range (Realtime)"]],
#["noname", ["g6", "Holdings Gain (Realtime)"]],
#["noname", ["k", "52 Week High"]],
#["n...
What does the ^ operator do in Java?
...ere the individual bits should be interpreted as flags, or when a specific range of bits in an integer have a special meaning and you want to extract only those. You can do a lot of every day programming without ever needing to use these operators, but if you ever have to work with data at the bit l...
How do I erase an element from std::vector by index?
...ector.erase( vector.begin() + 3 ); // Deleting the fourth element
Erasing range of elements:
vector.erase( vector.begin() + 3, vector.begin() + 5 ); // Deleting from fourth element to sixth element
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