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Convert from ASCII string encoded in Hex to plain ASCII?
...his, here's one of the shortest, using only python-provided stuff:
import base64
hex_data ='57696C6C20796F7520636F6E76657274207468697320484558205468696E6720696E746F20415343494920666F72206D653F2E202E202E202E506C656565656173652E2E2E212121'
ascii_string = str(base64.b16decode(hex_data))[2:-1]
print (a...
What is the optimal algorithm for the game 2048?
... well.
Since the game is a discrete state space, perfect information, turn-based game like chess and checkers, I used the same methods that have been proven to work on those games, namely minimax search with alpha-beta pruning. Since there is already a lot of info on that algorithm out there, I'll j...
How to change the default charset of a MySQL table?
...t to apply this change for all tables that are not encoded in ut8 in a database, you can use this query and execute the resulted queries : SELECT concat('alter table ', table_name, ' CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci;') FROM information_schema.tables WHERE table_schema='<yo...
What exactly is LLVM?
...el language can be represented in this LLVM IR format, then analysis tools based on this IR can be easily reused - that is the basic rationale.
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Generating a unique machine id
...ock. In practice, this will be rare, but be aware if you expect it to be a base for security that can be attacked by hardcore hackers.
Of course a registry entry can also be easily changed by anyone to forge a machine GUID, but what I found is that this would disrupt normal operation of so many com...
What is the difference between indexOf() and search()?
...rals or string objects but not regular expressions. It also accepts a zero-based integer value to start its search from, e.g.:
"babyelephant".indexOf("e"); // gives you 4
"babyelephant".indexOf("e",5); // gives you 6 as the search
starts from 6th position or 5th index.
var m= /e/; "babyelephant"....
How to convert UTF-8 byte[] to string?
... Well, good luck unpacking it if it has non-ascii. Just use Convert.ToBase64String.
– Erik Bergstedt
Dec 12 '15 at 10:30
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Modify Address Bar URL in AJAX App to Match Current State
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I ended up being a big fan of history.js to cover the bases for browser compatibility github.com/andreasbernhard/history.js
– jocull
Feb 11 '13 at 16:01
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Download large file in python with requests
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Based on the Roman's most upvoted comment above, here is my implementation,
Including "download as" and "retries" mechanism:
def download(url: str, file_path='', attempts=2):
"""Downloads a URL content into a file (with l...
mmap() vs. reading blocks
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Keep in mind that using any advice based on hardware and software from the 2000s, without testing it today would be a very suspect approach. Also, while many of the facts about mmap vs read() in that thread are still true as they were in the past, the overall ...