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AES Encryption for an NSString on the iPhone
...
+100
@owlstead, regarding your request for "a cryptographically secure variant of one of the given answers," please see RNCryptor. It was...
What is a Java ClassLoader?
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+100
Taken from this nice tutorial from Sun:
Motivation
Applications written in statically compiled programming languages, such as C an...
Convert a binary NodeJS Buffer to JavaScript ArrayBuffer
... {
return createUnsafeBuffer(size);
}
}
????/lib/buffer.js#L98-L100 Node.js 9.4.0
function createUnsafeBuffer(size) {
return new FastBuffer(createUnsafeArrayBuffer(size));
}
What do you mean by a “memory pool?”
A memory pool is a fixed-size pre-allocated memory block for keeping s...
Shards and replicas in Elasticsearch
...rd of a document will have only a subset of the document. suppose you have 100 products and 5 shards, each shard will have 20 products. This sharding of data is what makes low latency search possible in elasticsearch. search is conducted parallel on multiple nodes. Results are aggregated and return...
Benefits of inline functions in C++?
...not like in the 1980< where memory was scarce and everything had to fit in 100KB of memory) what advantages do they really have today?
...
How do I execute inserts and updates in an Alembic upgrade script?
...
+100
What you are asking for is a data migration, as opposed to the schema migration that is most prevalent in the Alembic docs.
This ans...
Syntax behind sorted(key=lambda: …)
... excellent and comprehensive explanation. This answer deserves 100 points. But I wonder why likes are less to this answer.
– javed
Apr 5 '17 at 19:38
3
...
What's the fastest way to loop through an array in JavaScript?
...= times[times.length-1][1];
times = times.map( a => {a[2] = (a[1]/max)*100; return a; } );
var template = (title, time, n) =>
`<div>` +
`<span>${title} &nbsp;</span>` +
`<span style="width:${3+n/2}%">&nbsp;${Number(time.toFixed(3))}msec</span&g...
Split (explode) pandas dataframe string entry to separate rows
...mething faster than the accepted answer, I got this to work. It ran around 100x faster on the dataset I tried it on.
If someone knows a way to make this more elegant, by all means please modify my code. I couldn't find a way that works without setting the other columns you want to keep as the index...
What's a good rate limiting algorithm?
...t "This should print 1,2,3... at about 2 per second."
for i in range(1,100):
PrintNumber(i)
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