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Java - JPA - @Version annotation
... Will this prevent creating an entity being (tried to) created more than once? I mean suppose a JMS topic message triggers creation of an entity and there are multiple instances of an application listens to the message. I just want to avoid the unique constraint violation error..
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Is there a way to get rid of accents and convert a whole string to regular letters?
...r.normalize(string, Normalizer.Form.NFD);
// or Normalizer.Form.NFKD for a more "compatable" deconstruction
This will separate all of the accent marks from the characters. Then, you just need to compare each character against being a letter and throw out the ones that aren't.
string = string.re...
Delete first character of a string in Javascript
... character of a string, if the first character is a 0. The 0 can be there more than once.
14 Answers
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Making a div vertically scrollable using CSS
...s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's stan...
When should one use final for method parameters and local variables?
...s "righter". I wish it was the default. But it isn't and I find the code more difficult to understand with finals all over. If I'm in someone else's code, I'm not going to pull them out but if I'm writing new code I won't put them in. One exception is the case where you have to mark something fi...
Best ways to teach a beginner to program? [closed]
...ust learning the syntax and basic framework features you really don't need more complexity.
Some projects:
Hello World!
Take the year of my birth, and calculate my age (just (now - then) no month corrections). (simple math, input, output)
Ask for a direction(Up, down, left, right), then tell the ...
How does a Java HashMap handle different objects with the same hash code?
...; the pair is stored in bucket number 235. (Note that one bucket can store more then one key-value pair).
When you lookup a value in the hashmap, by giving it a key, it will first look at the hash code of the key that you gave. The hashmap will then look into the corresponding bucket, and then it w...
Is there a setting on Google Analytics to suppress use of cookies for users who have not yet given c
...when creating the tracker instance.
See Google's guide on the subject for more details.
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How to copy a directory using Ant
...s some sub-directories, and some of those contain files and others contain more sub-directories.
11 Answers
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Should you choose the MONEY or DECIMAL(x,y) datatypes in SQL Server?
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