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MVC Vs n-tier architecture
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N-tier architecture usually has each layer separated by the network. I.E. the presentation layer is on some web servers, then that talks to backend app servers over the network for business logic, then that talks to a database server, again over the network, and maybe the app ...
Python Pandas Error tokenizing data
...e the offending file and to correct the bad lines so that they can be read by read_csv. @PetraBarus, why not just add columns to the CSV files that are missing them (with null values as needed)?
– dbliss
Oct 6 '14 at 22:57
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Hibernate - A collection with cascade=”all-delete-orphan” was no longer referenced by the owning ent
...he "A collection with cascade="all-delete-orphan" was no longer referenced by the owning entity instance" exception. Do you have an idea why? Thank you very much!
– ovdsrn
Dec 12 '12 at 10:42
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ARC and bridged cast
...FTypeRef while transferring it over to ARC. This could also be represented by id someObj = (__bridge <NSType>) op; CFRelease(op);
(__bridge_retained <CFType>) op or alternatively CFBridgingRetain(op) is used to hand an NSObject over to CF-land while giving it a +1 retain count. You shoul...
How do I disable a Pylint warning?
... with the given id(s). You can
# either give multiple identifier separated by comma (,) or put this option
# multiple time.
#enable=
# Disable the message, report, category or checker with the given id(s). You
# can either give multiple identifier separated by comma (,) or put this option
# multipl...
How do I determine whether an array contains a particular value in Java?
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Creating then the collection is going to be dominated by code loading time (which is technically O(n) but practically constant).
– Tom Hawtin - tackline
Mar 7 '12 at 13:23
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How does Java handle integer underflows and overflows and how would you check for it?
...) & (left ^ (left - right))) < 0;
}
}
(you can substitute int by long to perform the same checks for long)
If you think that this may occur more than often, then consider using a datatype or object which can store larger values, e.g. long or maybe java.math.BigInteger. The last one doe...
Why does Javascript's regex.exec() not always return the same value? [duplicate]
...dvantage of the fact that exec returns null when there are no more matches by performing the assignment as the loop condition.
var re = /foo_(\d+)/g,
str = "text foo_123 more text foo_456 foo_789 end text",
match,
results = [];
while (match = re.exec(str))
results.push(+match[1]);
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Implementing Comments and Likes in database
.... and I wonder how Django ORM will handle to map it (or how I will do that by myself...but, that is the other problem ;) ) But, can you explain me, cause I think I do not understand it properly - what you have drawn for me (thanks!) is the third approach you mentioned?
– Kokos...
How do I navigate in the results of Diff
...it should show you the command shortcuts for doing page up/page down etc.
By default git looks at the $GIT_PAGER, then $PAGER environment variable to determine the program to be used for showing you the output of diff, log, show etc.
On new (linux) systems the default $PAGER used (even when it is ...