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Monad in plain English? (For the OOP programmer with no FP background)
...This is an amplifier of types. It lets you take a type, say int, and add a new capability to that type, namely, that now it can be null when it couldn't before.
As a second example, consider IEnumerable<T>. It is an amplifier of types. It lets you take a type, say, string, and add a new capab...
HTML 5 tag vs Flash video. What are the pros and cons?
...u won't change business overnight, and each layer of complexity added by a new tag such as <video> which supports a very technical interface will result in * slightly * different implementations by each browser.
HTML 5 works now, and so does Flash. How it is implemented, the skill it requir...
Remove whitespaces inside a string in javascript
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@PitchiahNatarajan \s will match spaces, tabs, and new lines.
– Rocket Hazmat
Oct 15 '17 at 20:13
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show 1 more comm...
How to join (merge) data frames (inner, outer, left, right)
...for you, you should also look into the data.table package - that's a whole new set of join syntax, but it's radically faster than anything we're talking about here.
– Matt Parker
Feb 12 '13 at 16:22
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Solr vs. ElasticSearch [closed]
...t place]
No autowarming feature [not applicable anymore according to the new Index Warmup API]
Initial Answer
They are completely different technologies addressing completely different use cases, thus cannot be compared at all in any meaningful way:
Apache Solr - Apache Solr offers Luce...
What are allowed characters in cookies?
...e limitations, the special handling of quoted strings and escaping, or the new features in this spec.
RFC 2965 was another go at it, tidying up 2109 and adding more features under a ‘version 2 cookies’ scheme. Nobody ever implemented any of that either. This spec has the same token-and-quoted-st...
HTTP 404 Page Not Found in Web Api hosted in IIS 7.5
... This solved it for me to. On Windows 7, Visual Studio 2015 Ent, new MVC 5 website, changed from IIS Express to full IIS.
– Geoff Gunter
Sep 14 '16 at 20:50
add a co...
Cross compile Go on OSX?
... Incredible answer right here. You solved my problem, taught me a new trick, and made me chuckle to myself.
– T Blank
Jan 16 '17 at 6:07
1
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Remap values in pandas column with a dict
...'t surprising given the answer was from 4 years ago. This question needs a new answer given how general the operation is...
– PrestonH
Nov 21 '17 at 17:01
3
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Increment a database field by 1
...rick.
UPDATE mytable
SET logins = logins + 1
WHERE id = 12
Insert new row, or Update if already present:
If you would like to update a previously existing row, or insert it if it doesn't already exist, you can use the REPLACE syntax or the INSERT...ON DUPLICATE KEY UPDATE option (As Rob Va...