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Referring to the null object in Python
...
SyntaxError: cannot assign to keyword
It's therefore safe to assume that all None references are the same. There isn't any "custom" None.
To test for None use the is operator
When writing code you might be tempted to test for Noneness like this:
if value==None:
pass
Or to test for falsehood l...
How to get JSON response from http.Get
...s a url and decodes its response onto a target structure.
var myClient = &http.Client{Timeout: 10 * time.Second}
func getJson(url string, target interface{}) error {
r, err := myClient.Get(url)
if err != nil {
return err
}
defer r.Body.Close()
return json.NewDecode...
How I can I lazily read multiple JSON values from a file/stream in Python?
...To get some kind of performance out of it, it is written as a C module.
Example:
from splitstream import splitfile
for jsonstr in splitfile(sys.stdin, format="json")):
yield json.loads(jsonstr)
share
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Unicode (UTF-8) reading and writing to files in Python
...le you have "\xc3" in it. Those are 4 bytes and in your code you read them all. You can see this when you display them:
>>> open('f2').read()
'Capit\\xc3\\xa1n\n'
You can see that the backslash is escaped by a backslash. So you have four bytes in your string: "\", "x", "c" and "3".
Edit...
PHP code to remove everything but numbers
....new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f6604455%2fphp-code-to-remove-everything-but-numbers%23new-answer', 'question_page');
}
);
Post as a guest
...
How to remove/ignore :hover css style on touch devices
...r for them.
If you're able to use an internet duct-tape language such as PHP or Ruby, you can check the user string of the device requesting a page, and simply serve the same content but with a <link rel="mobile.css" /> instead of the normal style.
User strings have identifying information...
Get Image size WITHOUT loading image into memory
...
As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says:
def open(fp, mode="r"):
"Open an image file, without loading the raster data"
There ar...
What is Bit Masking?
...n someone explain to me the general concept and function of bit masking? Examples are much appreciated.
2 Answers
...
Perform .join on value in array of objects
...ensions. You can do [x.name for x of users] (spec wiki.ecmascript.org/doku.php?id=harmony:array_comprehensions) . Worth mentioning that just like using map/reduce/filter isn't very 'pythonic' the other way probably holds in JavaScript. CoffeeScript is cool with them though coffeescript.org .
...
Recommendations of Python REST (web services) framework? [closed]
...portant in REST, and unless you're very careful about this, you'll end up falling into a REST anti-pattern.
Some frameworks that get it right are web.py, Flask and Bottle. When combined with the mimerender library (full disclosure: I wrote it), they allow you to write nice RESTful webservices:
imp...