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How to install packages offline?
...r you don't need to use sudo pip….
2) use virtualenv
on online machine select a directory with terminal cd and run this code:
python -m virtualenv myenv
cd myenv
source bin/activate
pip install Flask
after installing all the packages, you have to generate a requirements.txt so while your virt...
What is the Haskell response to Node.js?
...lems that makes special the coding and debugging of web applications comes from what makes them scalable and flexible. The most important, the stateless nature of HTTP. This enhances navigability, but this imposes an inversion of control where the IO element (the web server in this case) call diffe...
GSON throwing “Expected BEGIN_OBJECT but was BEGIN_ARRAY”?
...
Do you think it is the right method to parse selected obj/array? help stackoverflow.com/questions/18140830/…
– LOG_TAG
Aug 9 '13 at 6:05
1
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process.env.NODE_ENV is undefined
...ODE_ENV=development on my Mac terminal before doing a react-native run-ios from the same terminal. When debugging, the value of process.env.NODE_ENV is undefined.
– Ash
Jun 26 '19 at 5:54
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How to serialize an object into a string
... System.out.println( string );
SomeClass some = ( SomeClass ) fromString( string );
System.out.println( "\n\nReconstituted object");
System.out.println( some );
}
/** Read the object from Base64 string. */
private static Object fromString( String s ) throws...
How do I iterate over an NSArray?
...rhaps the biggest thing an NSEnumerator (or fast enumeration) protects you from is having a mutable collection (array or otherwise) change underneath you without your knowledge while you're enumerating it. If you access the objects by index, you can run into strange exceptions or off-by-one errors (...
Origin null is not allowed by Access-Control-Allow-Origin
...ing the SOP to local files are very tight, it disallows even loading files from the same directory as the document. So does Opera. Some other browsers, such as Firefox, allow limited access to local files. But basically, using ajax with local resources isn't going to work cross-browser.
If you're j...
PostgreSQL: Is it better to use multiple databases with one schema each, or one database with multip
... @NeilMcGuigan: Interestingly, that seems to be the opposite conclusion from kquinn's (accepted) answer.
– carbocation
Mar 17 '15 at 17:54
8
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How to get a string after a specific substring?
...ram.
This script generates random sentences with and without the randomly selected delimiter present, and if present, at different positions in the generated sentence, runs the tests in random order with repeats (producing the fairest results accounting for random OS events taking place during test...
bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...to the versions the distro maintainers have packaged, so I usually install from source. But, that's a pain when managing several versions of Ruby for development, test and production systems, which is why rbenv and RVM were invented -- they handle the dirty detail allowing us to concentrate on progr...