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Generate colors between red and green for a power meter?
I'm writing a Java game and I want to implement a power meter for how hard you are going to shoot something.
19 Answers
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PHP Regex to check date is in YYYY-MM-DD format
... Regex has never been my strong point, I keep getting a false return value for the preg_match() I have setup.
23 Answers
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Normalize data in pandas
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Select the subset and compute as before. See pandas.pydata.org/pandas-docs/stable/indexing.html on how to index and select data
– Wouter Overmeire
Oct 19 '15 at 6:43
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Open Redis port for remote connections
...Did you set the bind option to allow remote access on the redis server?
Before (file /etc/redis/redis.conf)
bind 127.0.0.1
After
bind 0.0.0.0
and run sudo service redis-server restart to restart the server. If that's not the problem, you might want to check any firewalls that might block the ...
Searching for UUIDs in text with regex
I'm searching for UUIDs in blocks of text using a regex. Currently I'm relying on the assumption that all UUIDs will follow a patttern of 8-4-4-4-12 hexadecimal digits.
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Is there a simple way to remove multiple spaces in a string?
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Yes right. But before that strip() should be done. It will remove spaces from both end.
– Hardik Patel
Dec 29 '16 at 12:46
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PHP best way to MD5 multi-dimensional array?
...ze($array));
However, it's worth noting that (ironically) json_encode performs noticeably faster:
md5(json_encode($array));
In fact, the speed increase is two-fold here as (1) json_encode alone performs faster than serialize, and (2) json_encode produces a smaller string and therefore less for ...
Two color borders
Client wants two color borders for an embossed look. Can I do this on one element? I was hoping to avoid stacking two DOM elements with individual borders.
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Reverse Range in Swift
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Update For latest Swift 3 (still works in Swift 4)
You can use the reversed() method on a range
for i in (1...5).reversed() { print(i) } // 5 4 3 2 1
Or stride(from:through:by:) method
for i in stride(from:5,through:1,by:-1) { ...
What are bitwise operators?
I'm someone who writes code just for fun and haven't really delved into it in either an academic or professional setting, so stuff like these bitwise operators really escapes me.
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