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Encoding Javascript Object to Json string
... { };
new_tweets.k = { };
new_tweets.k.tweet_id = 98745521;
new_tweets.k.user_id = 54875;
new_tweets.k.data = { };
new_tweets.k.data.in_reply_to_screen_name = 'other_user';
new_tweets.k.data.text = 'tweet text';
// Will create the JSON string you're looking for.
var json = JSON.stringify(new_tw...
Why is iterating through a large Django QuerySet consuming massive amounts of memory?
... # change this to desired chunk size
for page in range(1, paginator.num_pages + 1):
for row in paginator.page(page).object_list:
# here you can do whatever you want with the row
print "done processing page %s" % page
...
Finding index of character in Swift String
... 2)
let lastChar2 = text[characterIndex2] //will do the same as above
let range: Range<String.Index> = text.range(of: "b")!
let index: Int = text.distance(from: text.startIndex, to: range.lowerBound)
Swift 3.0
let text = "abc"
let index2 = text.index(text.startIndex, offsetBy: 2) //will ca...
Array vs. Object efficiency in JavaScript
...o get the object of the user, a loop is needed to get user object based on user_id" vs "object having keys as user_id hence user object could be accessed using user_id as key" ? Which one is better in terms of the performance ? Any suggestions on this are appreciated :)
– Rayon...
Asking the user for input until they give a valid response
...t function:
def sanitised_input(prompt, type_=None, min_=None, max_=None, range_=None):
if min_ is not None and max_ is not None and max_ < min_:
raise ValueError("min_ must be less than or equal to max_.")
while True:
ui = input(prompt)
if type_ is not None:
...
Building vs. Compiling (Java)
...g. Ant is build system based on XML configuration files that can do a wide range of tasks related to compiling software. Compiling your java code is just one of those tasks. There are many others such as copying files around, configuring servers, assembling zips and jars, and compiling other languag...
Creating email templates with Django
...Mail(BaseSimpleMail):
email_key = 'welcome'
def set_context(self, user_id, welcome_link):
user = User.objects.get(id=user_id)
return {
'user': user,
'welcome_link': welcome_link
}
simple_mailer.register(WelcomeMail)
And send it this way :
...
what is the difference between 'transform' and 'fit_transform' in sklearn
... given data.
It basically helps to normalize the data within a particular range
For this, we use Z-score method.
We do this on the training set of data.
1.Fit(): Method calculates the parameters μ and σ and saves them as internal objects.
2.Transform(): Method using these calculated param...
Java code To convert byte to Hexadecimal
...t where their limits help to clarify your code; the fact that a variable's range is limited can serve as a form of documentation.
What does this mean? A few things: First and most importantly, it means we are working with 8-bits. So for example we can write the number 2 as 0000 0010. However, sinc...
How to convert JSON to CSV format and store in a variable
...,description,link,timestamp,image,embed,language,user,user_image,user_link,user_id,geo,source,favicon,type,domain,id
"Apple iPhone 4S Sale Cancelled in Beijing Amid Chaos (Design You Trust)","Advertise here with BSA Apple cancelled its scheduled sale of iPhone 4S in one of its stores in China’s ca...