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What is the purpose of Flask's context stacks?
...backend". In other words, the Flask(...) application constructor has been called twice, creating two instances of a Flask application.
Contexts
When you are working with Flask, you often end up using global variables to access various functionality. For example, you probably have code that reads.....
How do I make a Git commit in the past?
... By the way, the '-0400' part speicfies the timezone offset. Be aware of selecting it properly...because if not, your time will change based on that. For example in the case of myself, who live in Chicago, i had to choose '-0600' (North America CST). You can find the codes in here: timeanddate.co...
How to create the most compact mapping n → isprime(n) up to a limit N?
Naturally, for bool isprime(number) there would be a data structure I could query.
I define the best algorithm , to be the algorithm that produces a data structure with lowest memory consumption for the range (1, N], where N is a constant.
Just an example of what I am looking for: I could rep...
Check if $_POST exists
...sts and if it does, print it inside another string, if not, don't print at all.
14 Answers
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jQuery Event : Detect changes to the html/text of a div
...ails https://developer.mozilla.org/en-US/docs/Web/API/MutationObserver
// select the target node
var target = document.querySelector('mydiv')
// create an observer instance
var observer = new MutationObserver(function(mutations) {
console.log($('mydiv').text());
});
// configuration of the obs...
What is the purpose of “android.intent.category.DEFAULT”?
...ies, then Android will present all candidates to the user and the user can select his preferred default.
Reference:
http://developer.android.com/guide/components/intents-filters.html
Extract from that page:
Android treats all implicit intents passed tostartActivity() as if they contained at ...
How to manually create icns files using iconutil?
...following instructions (link):
Use iconutil to Create an icns File Manually
The iconutil command-line tool converts iconset folders to deployment-ready, high-resolution icns files. (You can find complete documentation for this tool by entering man iconutil in Terminal.) Using this tool al...
Using the last-child selector
...t can't be added dynamically through other code, but first-child is a CSS2 selector, whereas last-child was added in the CSS3 specification)
Note: This only works the way you intended if you only have 2 items in the list like your example. Any 3rd item and on will have borders applied to them.
...
How do I make an attributed string using Swift?
...ng: " Attributed Strings")
myString.append(attrString)
Next we'll just select the "Strings" word, which starts at index 17 and has a length of 7. Notice that this is an NSRange and not a Swift Range. (See this answer for more about Ranges.) The addAttribute method lets us put the attribute key n...
Why is Python running my module when I import it, and how do I stop it?
...program I'm building that can be run in either of 2 ways: the first is to call "python main.py" which prompts the user for input in a friendly manner and then runs the user input through the program. The other way is to call "python batch.py -file- " which will pass over all the friendly input gat...