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Android 4.3 Bluetooth Low Energy unstable
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Important implementation hints
(Perhaps some of those hints aren't necessary anymore due to Android OS updates.)
Some devices like Nexus 4 with Android 4.3 take 45+ seconds to connect using an existing gatt instance. Work around: Always close gatt instances on disconnect a...
Is calculating an MD5 hash less CPU intensive than SHA family functions?
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edited May 27 at 3:34
Gras Double
13k66 gold badges5050 silver badges4848 bronze badges
a...
Running a Python script from PHP
... the trick to me. Great!
– C3PO
Jan 27 '18 at 12:34
1
For OSX: echo shell_exec("/usr/local/bin/py...
Is gettimeofday() guaranteed to be of microsecond resolution?
... this to a double is quite handy.
When I run this on my box, I get
11867927879484732
11867927879692217
it took this long to call printf: 207485
Here's the Intel developer's guide that gives tons of detail.
#include <stdio.h>
#include <stdint.h>
inline uint64_t rdtsc() {
uint32...
bash/fish command to print absolute path to a file
...e e.g. test.
– Benjamin Bannier
Feb 27 '13 at 17:47
14
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How to check programmatically if an application is installed or not in Android?
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answered Jan 27 '15 at 16:27
JonikJonik
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Rename multiple files based on pattern in Unix
..... Thanks!
– balpha
Jul 6 '09 at 11:27
2
You are linking to a different rename then you are showi...
move_uploaded_file gives “failed to open stream: Permission denied” error
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Machavity♦
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answered Nov 12 '11 at 12:41
Laith ShadeedL...
How to save an image locally using Python whose URL address I already know?
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answered Nov 27 '11 at 15:01
Liquid_FireLiquid_Fire
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How to 'grep' a continuous stream?
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XzKtoXzKto
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