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The order of elements in Dictionary
...s operations different time and space complexity compared to the hashtable-based Dictionary<K,V>. If users need an O(1) insert/delete hashtable structure and also want to iterate over elements in key-order then they should to dict.Keys.OrderBy( k => k ).Select( k => dict[k] ) instead (at...
How to track untracked content?
...
I had the same problem with a big project with many submodules.
Based on the answers of Chris Johnsen here and VonC here I build a short bash script which iterates through all existing gitlink entries and adds them as proper submodules.
#!/bin/bash
# Read all submodules in current git
M...
How do I correctly clone a JavaScript object?
...rowsers), this will be considerably faster than using any other javascript-based deep copying solution, and may sometimes be faster than a javascript-based shallow copying technique (see: jsperf.com/cloning-an-object/79)." stackoverflow.com/questions/122102/…
– BeauCielBleu
...
PHP Pass variable to next page
...ns, but even then it's perhaps better to store it in a DB, and retrieve it based on a username or id.
GET and POST
You can add the variable in the link to the next page:
<a href="page2.php?varname=<?php echo $var_value ?>">Page2</a>
This will create a GET variable.
Another w...
What would a “frozen dict” be?
...e stored in special containers where the __hash__ and __eq__ functions are based on the key only. This code has also been formally unit-tested, unlike what I posted here in August 2014.
MIT-style license.
if 3 / 2 == 1:
version = 2
elif 3 / 2 == 1.5:
version = 3
def col(i):
''' For b...
Zero-based month numbering [closed]
...e of zero is also popular with pointer arithmetics where you would use one base pointer pointing at some allocated memory, plus a second pointer which would be at an offset from this base pointer. Here, using the value zero makes a lot of sense to point the offset to the base of the memory block. (G...
Nearest neighbors in high-dimensional data?
...works poorly in high dimensions. In fact, all current indexing techniques (based on space partitioning) degrade to linear search for sufficiently high dimensions [1][2][3].
Among ANN algorithms proposed recently, perhaps the most popular is Locality-Sensitive Hashing (LSH), which maps a set of poin...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...he published specification goes into in detail.
Much of the new behavior, based on keeping objects around as long as there is a strong pointer to them, is very similar to garbage collection on the Mac. However, the technical underpinnings are very different. Rather than having a garbage collector...
Why do some C# lambda expressions compile to static methods?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to do a less than or equal to filter in Django queryset?
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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