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What is the difference between functional and non functional requirement? [closed]
...ay be:
Emails should be sent with a latency of no greater than 12 hours from such an activity.
The functional requirement is describing the behavior of the system as it relates to the system's functionality. The non-functional requirement elaborates a performance characteristic of the system.
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python: How do I know what type of exception occurred?
...er way, like:
Present exceptions as dialogs in a GUI
Transfer exceptions from a worker thread or process to the controlling thread or process in a multithreading or multiprocessing application
So how to catch the generic exception? There are several ways. If you just want the exception object, d...
How many threads is too many?
...ou state, the vast majority of your threads will be waiting for a response from the database so they won't be running. There are two factors that affect how many threads you should allow for.
The first is the number of DB connections available. This may be a hard limit unless you can increase it at...
Why can't strings be mutable in Java and .NET?
...,
immutable objects can be shared freely
[...]
Other small points from the same chapter:
Not only can you share immutable objects, but you can share their internals.
[...]
Immutable objects make great building blocks for other objects, whether mutable or immutable.
[...]
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How can I perform a culture-sensitive “starts-with” operation from the middle of a string?
...der the problem of many<->one/many casemappings first and separately from handling different Normalization forms.
For example:
x heiße y
^--- cursor
Matches heisse but then moves cursor 1 too much. And:
x heisse y
^--- cursor
Matches heiße but then moves cursor 1 too less.
This w...
Why must we define both == and != in C#?
...
I can't speak for the language designers, but from what I can reason on, it seems like it was intentional, proper design decision.
Looking at this basic F# code, you can compile this into a working library. This is legal code for F#, and only overloads the equality ope...
How do I do word Stemming or Lemmatization?
...that you have now downloaded the corpus, it works like this:
>>> from nltk.stem.wordnet import WordNetLemmatizer
>>> lmtzr = WordNetLemmatizer()
>>> lmtzr.lemmatize('cars')
'car'
>>> lmtzr.lemmatize('feet')
'foot'
>>> lmtzr.lemmatize('people')
'people'
&...
How can I open Windows Explorer to a certain directory from within a WPF app?
...ing lpDirectory,
ShowCommands nShowCmd);
}
The declarations come from the pinvoke.net website.
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leiningen - how to add dependencies for local jars?
...project. Is there a way to modify project.clj to tell it to pick some jars from local directories?
11 Answers
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psql: FATAL: Ident authentication failed for user “postgres”
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this one here worked for me. Change from peer to md5 was enough.
– Jonatas CD
Aug 20 '15 at 5:01
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