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ADB Shell Input Events
...> "KEYCODE_TAB"
62 --> "KEYCODE_SPACE"
63 --> "KEYCODE_SYM"
64 --> "KEYCODE_EXPLORER"
65 --> "KEYCODE_ENVELOPE"
66 --> "KEYCODE_ENTER"
67 --> "KEYCODE_DEL"
68 --> "KEYCODE_GRAVE"
69 --> "KEYCODE_MINUS"
70 --> "KEYCODE_EQUALS"
71 --> "KEYCODE_LEFT...
Can an array be top-level JSON-text?
...s, due to JSON hijacking. This is an information disclosure vulnerability based on overriding the array constructor in JavaScript.
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Best way to replace multiple characters in a string?
...1000000 loops, best of 3: 0.817 μs per loop
g) 100000 loops, best of 3: 3.64 μs per loop
h) 1000000 loops, best of 3: 0.927 μs per loop
i) 1000000 loops, best of 3: 0.814 μs per loop
Here are the functions:
def a(text):
chars = "&#"
for c in chars:
text = text.replace(c, "...
Why does Math.Floor(Double) return a value of type Double?
...for scientific calculations, this answer is not correct because double has 64 bits and long also has 64 bits, but double can not store exact digits of lower significant bits even if it can be stored correctly in long.
– Akash Kava
Aug 28 '09 at 20:18
...
Update R using RStudio
...ren't already in the destination directory. i.e. don't overwrite your new 'base' package with your old one - if you did, don't worry, we'll fix it in the next step anyway. If those paths don't work for you, try using installed.packages()
to find the proper pathnames.]
now you can update your package...
__proto__ VS. prototype in JavaScript
...hods to prototype object? This will work if f.__proto__ = g where g is the base class.
– abhisekp
Jul 1 '16 at 16:08
M...
Do any JVM's JIT compilers generate code that uses vectorized floating point instructions?
..." OpenJDK Runtime Environment (IcedTea6 1.10.6) (fedora-63.1.10.6.fc15-x86_64) OpenJDK 64-Bit Server VM (build 20.0-b11, mixed mode)
– Samuel Audet
May 30 '12 at 3:34
...
Check play state of AVPlayer
...timeControlStatus
For example, this function plays or pauses the avPlayer based on it's status and updates the play/pause button appropriately.
@IBAction func btnPlayPauseTap(_ sender: Any) {
if aPlayer.timeControlStatus == .playing {
aPlayer.pause()
btnPlay.setImage(UIImage(na...
Truncating floats in Python
...using the IEEE floating-point format into the sequence of bits (assuming a 64-bit float)
0011111111010011001100110011001100110011001100110011001100110011
This is the closest value to 0.3 that can accurately be represented as an IEEE float. But if you write 0.29999999999999998 in a Python program,...
Fast Linux File Count for a large number of files
...ut 50 times each against the same directory, over and over, to avoid cache-based data skew, and I got roughly the following performance numbers (in real clock time):
ls -1 | wc - 0:01.67
ls -f1 | wc - 0:00.14
find | wc - 0:00.22
dircnt | wc - 0:00.04
That last one, dircnt, is the program compi...