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Intent - if activity is running, bring it to front, else start a new one (from notification)
...ivities in the app and this is the parent, singleInstance if you have only one Activity.
– frostymarvelous
May 21 '16 at 15:49
4
...
UIView with rounded corners and drop shadow?
...e clipped to bounds! The second, outer container view will house the first one, has the same frame, with just a drop shadow. I've done this quite a few times to combine a border, drop shadow, and corner radius. It's really annoying, but it works really well.
– Kpmurphy91
...
round() for float in C++
...
There's no round() in the C++98 standard library. You can write one yourself though. The following is an implementation of round-half-up:
double round(double d)
{
return floor(d + 0.5);
}
The probable reason there is no round function in the C++98 standard library is that it can in f...
How to use 'find' to search for files created on a specific date? [closed]
...ution. I couldn't get -newermt to run on 2.6.18-348.18.1.el5 kernel, let alone newer kernels.
– DarkForce
May 20 '15 at 12:29
...
What is the best algorithm for overriding GetHashCode?
...) == XorHash(y, x) for all x, y
By the way, the earlier algorithm is the one currently used by the C# compiler for anonymous types.
This page gives quite a few options. I think for most cases the above is "good enough" and it's incredibly easy to remember and get right. The FNV alternative is sim...
How do I use Nant/Ant naming patterns?
...ore characters across directory levels
a question mark (?) matches exactly one character within a path name
Another way to think about it is double star (**) matches slash (/) but single star (*) does not.
Let's say you have the files:
bar.txt
src/bar.c
src/baz.c
src/test/bartest.c
Then the p...
How do I create a new GitHub repo from a branch in an existing repo?
...at you don't need to create a repo on Github, you can just push to a local one (i.e. git init instead of Github > New > ...)
– OJFord
Apr 19 '16 at 12:19
1
...
Round a double to 2 decimal places [duplicate]
...o, use this instead
(Adapted from this answer by Louis Wasserman and this one by Sean Owen.)
public static double round(double value, int places) {
if (places < 0) throw new IllegalArgumentException();
BigDecimal bd = BigDecimal.valueOf(value);
bd = bd.setScale(places, RoundingMode...
ActiveRecord.find(array_of_ids), preserving order
...
Oddly, no one has suggested something like this:
index = Something.find(array_of_ids).group_by(&:id)
array_of_ids.map { |i| index[i].first }
As efficient as it gets besides letting SQL backend do it.
Edit: To improve on my own ...
Using an integer as a key in an associative array in JavaScript
...vier to initialize.
Here is an example:
const map = new Map();
map.set(1, "One");
map.set(2, "Two");
map.set(3, "Three");
console.log("=== With Map ===");
for (const [key, value] of map) {
console.log(`${key}: ${value} (${typeof(key)})`);
}
console.log("=== With Object ===");
const fakeMap =...