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Why is the Fibonacci series used in agile planning poker? [closed]
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The Fibonacci series is just one example of an exponential estimation scale. The reason an exponential scale is used comes from Information Theory.
The information that we obtain out of estimation grows much slower than the precision of estimation. In f...
How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
... table T.
With your approach the only thing you're getting is to make sure one is called after the other, when this would happen anyway in the DB, because the RDBMS will prevent them from inserting half information from A and half from B at the same time. The result will be the same but only 5 times...
Wrap long lines in Python [duplicate]
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There are two approaches which are not mentioned above, but both of which solve the problem in a way which complies with PEP 8 and allow you to make better use of your space. They are:
msg = (
'This message is so long, that it requires '
'more than {x} lines.{...
Hibernate Error: org.hibernate.NonUniqueObjectException: a different object with the same identifier
...en associated with the session but is not on the same instance of B as the one on A.
What primary key generator are you using?
The reason I ask is this error is related to how you're telling hibernate to ascertain the persistent state of an object (i.e. whether an object is persistent or not). Th...
Comparing date ranges
...y easier if you reverse the logic.
Let me give you an example.
I'll post one period of time here, and all the different variations of other periods that overlap in some way.
|-------------------| compare to this one
|---------| contained within
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A dependent property in a ReferentialConstraint is mapped to a store-generated column
...u defined a bad column relation between your tables? different columns and one was set as autonumeric.
It happened to me.
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Using git, how do I ignore a file in one branch but have it committed in another branch?
...st on how to effectively use the excludesfile for different branches, like one for public github and one for heroku deployment.
Here's the quick and dirty:
$ git branch public_viewing
$ cd .git/
$ touch info/exclude_from_public_viewing
$ echo "path/to/secret/file" > info/exclude_from_public_v...
Are string.Equals() and == operator really same? [duplicate]
... apparent contradictions that appear in the question are caused because in one case the Equals function is called on a string object, and in the other case the == operator is called on the System.Object type. string and object implement equality differently from each other (value vs. reference respe...
How can I get the full object in Node.js's console.log(), rather than '[Object]'?
...log() implicitly applies util.inspect() to its arguments, assuming the 1st one is not a format string. If you're happy with util.inspect()'s default options, simply console.log(myObject) will do - no need to require util; console.dir() does the same, but accepts only ` object to inspect; as of at le...
Do HTML WebSockets maintain an open connection for each client? Does this scale?
I am curious if anyone has any information about the scalability of HTML WebSockets. For everything I've read it appears that every client will maintain an open line of communication with the server. I'm just wondering how that scales and how many open WebSocket connections a server can handle. Mayb...