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set up device for development (???????????? no permissions)
...b", MODE="0666"
Run the following commands:
sudo cp /tmp/android.rules /etc/udev/rules.d/51-android.rules
sudo chmod 644 /etc/udev/rules.d/51-android.rules
sudo chown root. /etc/udev/rules.d/51-android.rules
sudo service udev restart
sudo killall adb
Disconnect the USB cable between the phone...
Why should I use document based database instead of relational database?
...number, supplier number, order number, keep on file until, OCRed fulltext, etc). Usually you do not know in advance which metadata fields you will add within the next two years.
Things like CouchDB work much nicer for that kind of data than relational databases.
I also personally love the fact that...
Working with time DURATION, not time of day
... The problem is I don't want a formula. I can calculate the days hours etc and produce a "string" value, but that is what it is. A string value. I want the underlying cell value to be a decimal number and only display it as days:hours:mins. I need a display format string but not a formula.
...
How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver
...sely matching System.Windows.Controls; ditto for Windows.UI.Xaml.Documents etc.
Now, .NET has the ability to directly reference WinRT components as if they were .NET assemblies. This works differently from COM Interop - you don't need any intermediate artifacts such as interop assemblies, you just...
What is the use of the @ symbol in PHP?
...erator). It makes PHP suppress any error messages (notice, warning, fatal, etc) generated by the associated expression. It works just like a unary operator, for example, it has a precedence and associativity. Below are some examples:
@echo 1 / 0;
// generates "Parse error: syntax error, unexpected ...
Heroku NodeJS http to https ssl forced redirect
...eed to concern ourselves with having local SSL certificates inside the app etc as you might if hosting in other environments. However, you should get a SSL Add-On applied via Heroku Add-ons first if using your own certificate, sub-domains etc.
Then just add the following to do the redirect from any...
Difference between CC, gcc and g++?
...erms of assembly
code generation, available libraries, language features, etc.?
3 Answers
...
Total memory used by Python process?
...tion that works for various operating systems, including Linux, Windows 7, etc.:
import os
import psutil
process = psutil.Process(os.getpid())
print(process.memory_info().rss) # in bytes
On my current Python 2.7 install with psutil 5.6.3, the last line should be
print(process.memory_info()[0...
NVIDIA vs AMD: GPGPU performance
...to 1, and on gpgpu.org, search results (papers, links to online resources, etc) for NVIDIA outnumber results for AMD 6:1.
A huge part of this difference is the amount of online information available. Check out the NVIDIA CUDA Zone versus AMD's GPGPU Developer Central. The amount of stuff there fo...
Difference between an API and SDK
...ome APIs have security provisions to require license keys, authentication, etc. which may prohibit complete use of the API in particular instances, but that's only because particular authentication/authorization steps fail. Any software that presents the right credentials (if required) can use the A...