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How to make a chain of function decorators?
...idon!
Python itself provides several decorators: property, staticmethod, etc.
Django uses decorators to manage caching and view permissions.
Twisted to fake inlining asynchronous functions calls.
This really is a large playground.
...
What are the differences between double-dot “..” and triple-dot “…” in Git diff commit ranges?
... For instance, if you create a ‘dev’ branch and add a function to a
file, then go back to your ‘master’ branch and remove a line from the
README, and then run something like this:
$ git diff master dev
It will tell you that a function was added from the first file and a
line wa...
Storing JSON in database vs. having a new column for each key
...oDB and CouchDB. Basically, in document based db's, you store data in json files and then you can query on these json files.
The Second model is the popular relational database structure.
If you want to use relational database like MySql then i would suggest you to only use second model. There is...
How do I make an HTTP request in Swift?
... print(error.localizedDescription)
}
})
6. Image(File) Upload
Swift 2.0 +
let mainURL = "YOUR_URL_HERE"
let url = NSURL(string: mainURL)
let request = NSMutableURLRequest(URL: url!)
let boundary = "78876565564454554547676"
request.addValue("multipart/fo...
Add regression line equation and R^2 on graph
...ese lines: gist.github.com/kdauria/… as you like. Then source the entire file in your script.
– kdauria
Mar 29 '16 at 6:51
1
...
Catch multiple exceptions at once?
...er in this example uses more lines, try to imagine if you are dealing with file IO for example, and all you want to do is catch those exceptions and do some log messaging, but only those you expect coming from your file IO methods. Then you often have to deal with a larger number (about 5 or more) d...
Explain Python entry points?
...
EntryPoints provide a persistent, filesystem-based object name registration and name-based direct object import mechanism (implemented by the setuptools package).
They associate names of Python objects with free-form identifiers. So any other code using the...
Defining custom attrs
... }
}
Step 2: Define a string attribute in the values/attrs.xml resource file:
<resources>
<declare-styleable name="CustomView">
<attr name="title" format="string"/>
</declare-styleable>
</resources>
Step 3: Apply the @StringHandler annotation to th...
Why is IoC / DI not common in Python?
...possible to replace implementations easily without touching all the python files. Instead of from framework.auth.user import User it might be better to write User = lookup('UserImplentation', 'framework.auth.user.User') (the 2nd parameter might be a default value) inside the framework. Then users o...
How to search a specific value in all tables (PostgreSQL)?
...cture pg_dump can do that too. Also if grep isn't your thing use what ever file content searching tool you want on the dumped out structures and/or data.
– Kuberchaun
Mar 18 '11 at 12:17
...