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Find the most frequent number in a numpy vector
...ng numpy, collections.Counter is a good way of handling this sort of data.
from collections import Counter
a = [1,2,3,1,2,1,1,1,3,2,2,1]
b = Counter(a)
print(b.most_common(1))
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StringBuilder vs String concatenation in toString() in Java
...erties it might not make a
difference, but at what point do you
switch from concat to builder?
At the point where you're concatenating in a loop - that's usually when the compiler can't substitute StringBuilder by itself.
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How do I deserialize a JSON string into an NSDictionary? (For iOS 5+)
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@Abizern its common to receive JSON as a string from somewhere outside of your application
– Chicowitz
Nov 9 '17 at 0:31
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Converting XML to JSON using Python?
...). As of Python 2.6, support for converting Python data structures to and from JSON is included in the json module.
So the infrastructure is there.
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A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...ification process asynchronous as refreshing the receipt is asynchronous.
From RMStoreAppReceiptVerifier:
RMAppReceipt *receipt = [RMAppReceipt bundleReceipt];
const BOOL verified = [self verifyTransaction:transaction inReceipt:receipt success:successBlock failure:nil]; // failureBlock is nil inte...
Purpose of memory alignment
...ers in one transaction.
Say you had a packed version of the struct, maybe from the network where it was packed for transmission efficiency; it might look something like this:
Reading the first byte is going to be the same.
When you ask the processor to give you 16 bits from 0x0005 it will have ...
Remove an Existing File from a Git Repo
...
Just to give the full answer all at once:
from klemens: You need to add the file to your .gitignore file somewhere above the undesired file in the repo. i.e.
$ cd
$ cat >> .gitignore
development.log
C-d
from m. narebski: You then need to remove the file from ...
How to implement a queue using two stacks?
...o inbox
Dequeue:
If outbox is empty, refill it by popping each element from inbox and pushing it onto outbox
Pop and return the top element from outbox
Using this method, each element will be in each stack exactly once - meaning each element will be pushed twice and popped twice, giving amorti...
How to read a file line-by-line into a list?
...dure mentioned here. The memory usage is far better when each line is read from the file and processed, as suggested by @DevShark here. Holding all lines in a collection object is not a good idea if memory is a constraint or the file is large. The execution time is similar in both the approa...
Where is JAVA_HOME on macOS Mojave (10.14) to Lion (10.7)?
...ging the output of /usr/libexec/java_home.
Even after installing 1.7.0 u6 from Oracle on Lion and setting it as the default in the preferences, it still returned the apple 1.6 java home. The only fix that actually works for me is setting JAVA_HOME manually:
export JAVA_HOME=/Library/Java/JavaVirtu...