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Passport.js - Error: failed to serialize user into session
...(function(id, next) {
next(null, user_cache[id]);
});
in case or weird errors just ask yourself: "Do I rlly set '_id' in my user object?" - in most cases you dont. So use a proper attribute as key.
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Selecting multiple columns in a pandas dataframe
...mment though.
– ely
Feb 4 '16 at 18:05
Ahh, now I see your point. I forgot that columns is an immutable Series and the...
How do I cast a string to integer and have 0 in case of error in the cast with PostgreSQL?
...t. that max value is a bug waiting to happen. the point of not throwing an error is to not throw an error when the data is invalid. this accepted answer does NOT solve that. thanks Matthew! great work!
– Shawn Kovac
Aug 6 '14 at 23:36
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How to handle exceptions in a list comprehensions?
...you can't; 2) practically, you delegate the job to a function or check for error prone values when that's feasible. Your repeated claim that this is not an answer is thus unfounded.
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Override console.log(); for production [duplicate]
... Don't forget to override console.info, console.warn and console.error too, if you use those
– Flambino
Aug 12 '11 at 15:44
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What is the python keyword “with” used for? [duplicate]
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answered Sep 2 '09 at 19:05
Rob AllenRob Allen
15.3k44 gold badges4747 silver badges6868 bronze badges
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Lock, mutex, semaphore… what's the difference?
...plementation/library as to what happens (usually the attempt ignored or an error is thrown). For semaphores in state 0, any thread can call release and it will be successful (regardless of which thread previous used acquire to put the semaphore in state 0).
From the preceding discussion, we can...
Get current stack trace in Ruby without raising an exception
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I use this to show a custom error page when exception are raised.
rescue_from Exception do |exception|
logger.error exception.class
logger.error exception.message
logger.error exception.backtrace.join "\n"
@exception = exception
# Exception...
Git Checkout warning: unable to unlink files, permission denied
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I usually see that kind of error when there is a process not releasing the handle of those files.
Make sure nothing is running, and then try your checkout again.
Note: it can also be related with the way Git has been installed (on Windows, UAC can ge...
When should I use OWIN Katana?
... a web application), you'll just get a blank page with 200 OK response. No error anywhere apart from the Windows Event log.
– simbolo
Jul 14 '14 at 0:08
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