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In Hibernate Validator 4.1+, what is the difference between @NotNull, @NotEmpty, and @NotBlank?

... I liked the explanation in the below link: http://www.itprogrammingtutorials.com/2015/java/hibernate/hibernate-validator-diff-notblank-notempty/ @NotNull: Checks whether the value is not null, disregarding the content @NotEmpty: Checks whether the value is not null nor emp...
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How to template If-Else structures in data-bound views?

...bservable. Here is a post that I wrote on this topic a while back: http://www.knockmeout.net/2011/03/quick-tip-dynamically-changing.html. In your scenario, it might look like: <td data-bind="template: $root.getCellTemplate"></td> <script id="cellEditTmpl" type="text/html"> ...
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Is an index needed for a primary key in SQLite?

...r affinity and a unique index, not as an alias for the rowid. See: http://www.sqlite.org/lang_createtable.html#rowid share | improve this answer | follow | ...
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Do you have to include ?

...son for adding the link. Info on setting up a cookieless domain: http://www.ravelrumba.com/blog/static-cookieless-domain/ share | improve this answer | follow ...
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How to see the CREATE VIEW code for a view in PostgreSQL?

...true) A list of all those functions is available in the manual: http://www.postgresql.org/docs/current/static/functions-info.html share | improve this answer | follow ...
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Why do all browsers' user agents start with “Mozilla/”?

...tends to be Mozilla" After trying everything, I have finally used: http://www.useragentstring.com/ You can use the above website to get the formatted user agent and OS. They have an API which you can use directly... share...
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If threads share the same PID, how can they be identified?

... asmlinkage long sys_getpid(void) { return current->tgid;}, as shown in www.makelinux.com/ – Duke Jan 15 '14 at 1:13 ...
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C/C++ NaN constant (literal)?

... This can be done using the numeric_limits in C++: http://www.cplusplus.com/reference/limits/numeric_limits/ These are the methods you probably want to look at: infinity() T Representation of positive infinity, if available. quiet_NaN() T Representation of quiet (non-signalin...
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What does it mean when git says a file “needs update”?

...ommit I'd just made, even though it was the same folder (Z: mapped to /var/www/html/). After running this, [git status] and [git pull] both now show it's up-to-date. – Keith DC Jun 12 '15 at 5:46 ...
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What does “%.*s” mean in printf?

... See: http://www.cplusplus.com/reference/clibrary/cstdio/printf/ .* The precision is not specified in the format string, but as an additional integer value argument preceding the argument that has to be formatted. s String of characte...