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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...
How to configure an existing git repo to be shared by a UNIX group
... in a mess because someone has done a git pull etc. as root rather than as www-data or whatever the owner is and as a result you get error: insufficient permission for adding an object to repository database .git/objects. I thought I'd fixed the ownership of all files/directories that were wrong by...
Appending to an existing string
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Can scrapy be used to scrape dynamic content from websites that are using AJAX?
...lass spider(BaseSpider):
name = 'RubiGuesst'
start_urls = ['http://www.rubin-kazan.ru/guestbook.html']
def parse(self, response):
url_list_gb_messages = re.search(r'url_list_gb_messages="(.*)"', response.body).group(1)
yield FormRequest('http://www.rubin-kazan.ru' + url_...
client secret in OAuth 2.0
...cure.com/all-your-facebook-access-tokens-are-belong-to-us
and here https://www.youtube.com/watch?v=twyL7Uxe6sk.
All in all be extra cautious of your usage of third party libraries (common sense actually but if token hijacking is your big concern add another extra to cautious).
I have been ranting a...
How to replace all occurrences of a string?
... useful in perfecting this expression to meet your specific needs.
http://www.javascriptkit.com/jsref/regexp.shtml
http://www.regular-expressions.info
Final addition:
Given that this question still gets a lot of views, I thought I might add an example of .replace used with a callback function....
Is there any haskell function to concatenate list with separator?
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Hidden features of HTML
...ou want to use routing or URL rewriting...
Let's say you are located at:
www.anypage.com/folder/subfolder/
The following is code and results for links from this page.
Regular Anchor:
<a href="test.html">Click here</a>
Leads to
www.anypage.com/folder/subfolder/test.html
Now if...
Recursive directory listing in DOS
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Local file access with JavaScript
.../write with Firefox back in 2003 web.archive.org/web/20031229011919/http://www.captain.at/… (bulit for XUL but available in the browser with XpCom) and Microsoft had node.js-style javscript shell scripting in the 1990s (and FileIO available in the browser with ActiveX)
– orig...