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ReactJS state vs prop
...allbacks down to the children that need to modify your data, and call them from the child component.
Modifying this.props or this.state directly is not a good idea, because React will not be able to pick up on the changes. That's because React does a shallow comparison of your post prop to determin...
How can I remove an element from a list?
I have a list and I want to remove a single element from it. How can I do this?
16 Answers
...
REST authentication and exposing the API key
...ss it along to the API. Doing so, any other server could request that HTML from the first web server, get the signature out of the response, and use that in the HTML on their own website. (I really think the above post does not answer the question about how a public API key in the HTML can be safe.)...
Reading HTML content from a UIWebView
...ou pass in a URL as an instance of NSURL (which can easily be instantiated from NSString) and returns a string with the complete contents of the page at that URL. For example:
NSString *googleString = @"http://www.google.com";
NSURL *googleURL = [NSURL URLWithString:googleString];
NSError *error;
N...
Rolling or sliding window iterator?
...There's one in an old version of the Python docs with itertools examples:
from itertools import islice
def window(seq, n=2):
"Returns a sliding window (of width n) over data from the iterable"
" s -> (s0,s1,...s[n-1]), (s1,s2,...,sn), ... "
it = iter(seq)
res...
Finish an activity from another activity
I want to finish one activity from another activity, like:
10 Answers
10
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What is the difference between localStorage, sessionStorage, session and cookies?
...ta stored in localStorage and sessionStorage can easily be read or changed from within the client/browser so should not be relied upon for storage of sensitive or security-related data within applications.
Cookies
This is also true for cookies, these can be trivially tampered with by the user, an...
How to remove RVM (Ruby Version Manager) from my system
How can I remove RVM (Ruby Version Manager) from my system?
13 Answers
13
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How to build sources jar with gradle
...sourcesJar(type: Jar, dependsOn: classes) {
classifier = 'sources'
from sourceSets.main.allSource
}
task javadocJar(type: Jar, dependsOn: javadoc) {
classifier = 'javadoc'
from javadoc.destinationDir
}
artifacts {
archives sourcesJar
archives javadocJar
}
...
Remove last item from array
...orrectly, @PrithvirajMitra wants two things: 1) To remove the last element from the original array, and 2) return that element as a single element array - ie: [0,1,2] -> [2], leaving behind [0,1]. If that's the case, then [arr.pop()] will do the trick.
– Ben Hull
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