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How to query nested objects?
...d({headers: {From: "reservations@marriott.com"} }).count()
It should be one because these queries for documents where headers equal to the object {From: "reservations@marriott.com"}, only i.e. contains no other fields or we should specify the entire sub-document as the value of a field.
So as p...
How to check if a file contains a specific string using Bash
... nor [.
Another thing is the way you quote things. In bash, there is only one case where pairs of quotes do nest, it is "$(command "argument")". But in 'grep 'SomeString' $File' you have only one word, because 'grep ' is a quoted unit, which is concatenated with SomeString and then again concatenat...
How do I force detach Screen from another SSH session?
... without ejecting others: screen -x
Get list of displays: ^A *, select the one to disconnect, press d
Explained answer
Background: When I was looking for the solution with same problem description, I have always landed on this answer. I would like to provide more sensible solution. (For example...
Is returning by rvalue reference more efficient?
...onfused by your answer. Had tried a similar (maybe) version but failed: ideone.com/4GyUbZ Could you explain why?
– Deqing
Apr 11 '18 at 0:25
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Is there a JavaScript strcmp()?
Can anyone verify this for me? JavaScript does not have a version of strcmp(), so you have to write out something like:
5 A...
How do I create a link using javascript?
...lease stop editing my answer. If you want a specific thing to be said, add one of your own; if it's not "different" enough to warrant it, it's not different enough to warrant an edit.
– Jared Farrish
Jan 30 '17 at 17:36
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window.onload vs
...onload event of the body tag? when do I use which and how should it be done correctly?
13 Answers
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Is there a link to GitHub for downloading a file in the latest release of a repository?
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It would be helpful if this feature worked with versioned asset names, however.
– Liam
Apr 9 '19 at 7:32
3
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Recursion or Iteration?
... most sense and is the clearest for the poor sucker (be it yourself or someone else) that has to maintain the code in a few months or years. If you run into performance issues, then profile your code, and then and only then look into optimizing by moving over to an iterative implementation. You ma...
Is it a good practice to place C++ definitions in header files?
...ht, he is wrong.
EDIT: I have been thinking about your question. There is one case where what he says is true. templates. Many newer "modern" libraries such as boost make heavy use of templates and often are "header only." However, this should only be done when dealing with templates as it is the o...