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Is it OK to leave a channel open?
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It's OK to leave a Go channel open forever and never close it. When the channel is no longer used, it will be garbage collected.
Note that it is only necessary to close a channel if the receiver is
looking for a close. Closing the channel is a control signal on...
How to create query parameters in Javascript?
... answered Aug 26 '18 at 16:41
Andrew PalmerAndrew Palmer
1,1021111 silver badges1313 bronze badges
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Simple and fast method to compare images for similarity
I need a simple and fast way to compare two images for similarity. I.e. I want to get a high value if they contain exactly the same thing but may have some slightly different background and may be moved / resized by a few pixel.
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ASP.NET: HTTP Error 500.19 – Internal Server Error 0x8007000d
I am replicating web application deployment and found several issues related to HTTP Error 500.19 . My machine is running Windows 7 while the working development is using Windows 8 . We're developing our Web Application using Visual Studio 2010 .
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How to list npm user-installed packages?
...ed package ONLY in npm ? When I do npm -g list it outputs every package and their dependencies, which is not what I want.
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PHP date() format when inserting into datetime in MySQL
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The problem is that you're using 'M' and 'D', which are a textual representations, MySQL is expecting a numeric representation of the format 2010-02-06 19:30:13
Try: date('Y-m-d H:i:s') which uses the numeric equivalents.
edit: switched G to H, though it may not...
Heroku “psql: FATAL: remaining connection slots are reserved for non-replication superuser connectio
...t this error message when trying to access the database, both from the CLI and from loading a page on the server:
4 Answers...
Debugging “Element is not clickable at point” error
...our element is wrapped in a div or a span. The page can be fully loaded, and completely within the viewport, but Chromedriver will refuse to click it, where the webdriver for FF and IE have no issue. A real human has no clue that the span exists, and the browser doesn't care when you actually cli...
Java: Multiple class declarations in one file
...ed type (which I would otherwise agree with): if the main class is generic and the type parameter is the second class, the second class can't be nested. And if the two classes are tightly coupled (like PublicClass and PrivateImpl in the question), I think it's a good idea to put PrivateImpl as a top...
Why are you not able to declare a class as static in Java?
...the same topic :
Java: Static vs non static inner class
Java inner class and static nested class
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