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How to convert a Drawable to a Bitmap?
...s accept Bitmap s only. I cannot use WallpaperManager because I'm pre 2.1.
20 Answers
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MongoDB - Update objects in a document's array (nested updating)
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For question #1, let's break it into two parts. First, increment any document that has "items.item_name" equal to "my_item_two". For this you'll have to use the positional "$" operator. Something like:
db.bar.update( {user_id : 123456...
Creating range in JavaScript - strange syntax
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+1000
Understanding this "hack" requires understanding several things:
Why we don't just do Array(5).map(...)
How Function.prototype.ap...
.NET HttpClient. How to POST string value?
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edited Jan 13 '17 at 3:30
Todd Menier
30.2k1414 gold badges124124 silver badges146146 bronze badges
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serve current directory from command line
...o remember, so I just have this in my .bashrc:
function serve {
port="${1:-3000}"
ruby -run -e httpd . -p $port
}
It serves the current directory on port 3000 by default, but you can also specify the port:
~ $ cd tmp
~/tmp $ serve # ~/tmp served on port 3000
~/tmp $ cd ../www
~/www $ se...
How do I solve the INSTALL_FAILED_DEXOPT error?
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How to echo with different colors in the Windows command line
...le line in a different color.
Use ANSI Escape Sequences.
Windows before 10 - no native support for ANSI colors on the console
For Windows version below 10, the Windows command console doesn't support output coloring by default. You could install either Cmder, ConEmu, ANSICON or Mintty (used by d...
How to shuffle a std::vector?
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From C++11 onwards, you should prefer:
#include <algorithm>
#include <random>
auto rng = std::default_random_engine {};
std::shuffle(std::begin(cards_), std::end(cards_), rng);
Live example on Coliru
Make sure to reu...
Rebasing a Git merge commit
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135
There are two options here.
One is to do an interactive rebase and edit the merge commit, redo...
Why does find -exec mv {} ./target/ + not work?
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185
The manual page (or the online GNU manual) pretty much explains everything.
find -exec comman...