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namedtuple and default values for optional keyword arguments
...er -> for functions) in Python is that they are evaluated at definition time*. So, since "class names become defined once the entire body of the class has been executed", the annotations for 'Node' in the class fields above must be strings to avoid NameError.
This kind of type hints is called "f...
What are good examples of genetic algorithms/genetic programming solutions? [closed]
...instead of selling. A system that just bought S&P500 futures at random times between 1995 and 1999 (without any kind of GA nonsense going on) would have made tons of money, but we only know this in retrospect.
– MusiGenesis
Sep 11 '10 at 12:09
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NGINX: upstream timed out (110: Connection timed out) while reading response header from upstream
...equest, so it responds with an error.
Just include and increase proxy_read_timeout in location config block.
Same thing happened to me and I used 1 hour timeout for an internal app at work:
proxy_read_timeout 3600;
With this, NGINX will wait for an hour (3600s) for its upstream to return somethin...
ViewBag, ViewData and TempData
...s that the life cycle of the object. TempData keep the information for the time of an HTTP Request. This mean only from one page to another. This also work with a 302/303 redirection because it’s in the same HTTP Request. Helps to maintain data when you move from one controller to other controller...
git:// protocol blocked by company, how can I get around that?
...https://github".insteadOf git://github
You can run this command multiple times using different replacements. However, in the event that a URL matches multiple replacements, the longest match "wins". Only a single replacement will be made per URL.
System-Wide Changes for Sysadmins
If you're a Lin...
In Ruby on Rails, how do I format a date with the “th” suffix, as in, “Sun Oct 5th”?
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Use the ordinalize method from 'active_support'.
>> time = Time.new
=> Fri Oct 03 01:24:48 +0100 2008
>> time.strftime("%a %b #{time.day.ordinalize}")
=> "Fri Oct 3rd"
Note, if you are using IRB with Ruby 2.0, you must first run:
require 'active_support/core_ext...
How can I count occurrences with groupBy?
... of it (not knowing which bit you don't understand) would take a very long time - more time than I'm willing to put into an answer that's over 5 years old at this point, when most of it you may already understand.
– Jon Skeet
Jan 29 at 7:11
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How to get instance variables in Python?
...neration and the @property decorator to add an instance variable the first time it's requested. Using dict would tell you about this variable once it existed but not beforehand.
– Eli Courtwright
Sep 21 '08 at 5:51
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Dot character '.' in MVC Web API 2 for request such as api/people/STAFF.45287
... I see my question above being answered here on the accepted answer at the time of writing (answer by Kapil Khandelwal): stackoverflow.com/questions/11048863/…
– Yves Schelpe
Jan 9 '14 at 7:03
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download file using an ajax request
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But it will send request 2 times, that is not proper
– Dharmendrasinh Chudasama
Feb 17 '18 at 13:07
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