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How to check if an array field contains a unique value or another array in MongoDB?
... for the $all does it mean all elements AND in the expressed order or is it just unordered ?
– redben
Mar 26 '11 at 14:36
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Printing object properties in Powershell
... If so, I think you have to do something additional that what is stated in order to actually print it to the console (ie: Write-Output <something-something>)
– Fractal
Mar 12 '19 at 22:07
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How to find the 'sizeof' (a pointer pointing to an array)?
... the programmer can cheat a bit and malloc() more memory than requested in order to store a length value before the start of the array.
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How can I put a database under git (version control)?
...eeping schema creation scripts as a set of sequential scripts to be ran in order. While this is a good best practice I don't see how it would works without a central repository, which is un-GIT.
– Frank Schwieterman
Mar 17 '10 at 2:49
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Redis cache vs using memory directly
... etc ...
Redis can replicate its activity with a master/slave mechanism in order to implement high-availability.
Basically, if you need your application to scale on several nodes sharing the same data, then something like Redis (or any other remote key/value store) will be required.
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What are the most common naming conventions in C?
...ING_ID_PREFIX.
Struct names and typedef's in camelcase: GtkWidget, TrackingOrder.
Functions that operate on structs: classic C style: gtk_widget_show(), tracking_order_process().
Pointers: nothing fancy here:
GtkWidget *foo, TrackingOrder *bar.
Global variables: just don't use global variables. They...
How to check if there exists a process with a given pid in Python?
...t an OSError due to permissions, even if the pid exists in the system.
In order to bypass this limitation you can check if /proc/<pid> exists:
import os
def is_running(pid):
if os.path.isdir('/proc/{}'.format(pid)):
return True
return False
This applies to linux based syst...
How to push to a non-bare Git repository?
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Default parameters with C++ constructors [closed]
...ly named. Much more readable :)
Also, you no longer have to remember the order of the arguments to the constructor.
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How to add Web API to an existing ASP.NET MVC 4 Web Application project?
...isregard steps 4, 8 and 9. (they are not so essential) And if you swap the order of step 5 and 6 they will make more sense (it is better to create a class then use it, instead of use the class then create it)
– Hakan Fıstık
Mar 5 '19 at 11:38
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