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Mongoose's find method with $or condition does not work properly
...ibe why this solution works with words? thanks
– Alexander Mills
Nov 22 '15 at 23:21
This looks like a solution to a r...
Step-by-step debugging with IPython
...
You can use IPython's %pdb magic. Just call %pdb in IPython and when an error occurs, you're automatically dropped to ipdb. While you don't have the stepping immediately, you're in ipdb afterwards.
This makes debugging individual functions easy, as you can just load a file with %load...
What is the “assert” function?
I've been studying OpenCV tutorials and came across the assert function; what does it do?
9 Answers
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How do I view an older version of an SVN file?
I have an SVN file which is now missing some logic and so I need to go back about 40 revisions to the time when it had the logic I need. Other than trying to view a diff of the file in the command line ( very hard to read ), is there any way I could get a copy of that file to review so I can study i...
How to configure PostgreSQL to accept all incoming connections
...of IPs to be authorized, you could edit /var/lib/pgsql/{VERSION}/data file and put something like
host all all 172.0.0.0/8 trust
It will accept incoming connections from any host of the above range.
Source: http://www.linuxtopia.org/online_books/database_guides/P...
How to force IntelliJ IDEA to reload dependencies from build.sbt after they changed?
...orce SBT to reload changes:
Open SBT toolwindow (on the right side of IDE) and press refresh button.
If you use auto-import feature you need to save your file to force auto-refresh.
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How to bind to a PasswordBox in MVVM
...e security attack vector.
The PasswordBox uses encrypted memory (of sorts) and the only way to access the password is through the CLR property.
I would suggest that when accessing the PasswordBox.Password CLR property you'd refrain from placing it in any variable or as a value for any property.
Ke...
Rails.env vs RAILS_ENV
... what env one is running in. What's preferred? Are they, for all intents and purposes equal?
5 Answers
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Is it better to reuse a StringBuilder in a loop?
...e of StringBuilder.
In a very long loop I'm manipulating a StringBuilder and passing it to another method like this:
14 A...
HttpClient.GetAsync(…) never returns when using await/async
... misusing the API.
Here's the situation: in ASP.NET, only one thread can handle a request at a time. You can do some parallel processing if necessary (borrowing additional threads from the thread pool), but only one thread would have the request context (the additional threads do not have the reque...