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What are the differences between delegates and events?

...to buy the newspaper my point right or wrong? – Rahul_Patil Apr 15 at 8:57 add a comment  |  ...
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Why is UICollectionViewCell's outlet nil?

...I don't use it, it gives me error Assertion failure in -[UICollectionView _dequeueReusableViewOfKind:withIdentifier:forIndexPath:viewCategory:] – Shaheera Jun 30 '16 at 11:04 ...
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http to https apache redirection

...manent / https://mysite.example.com/ </VirtualHost> <VirtualHost _default_:443> ServerName mysite.example.com DocumentRoot /usr/local/apache2/htdocs SSLEngine On # etc... </VirtualHost> Then do: /etc/init.d/httpd restart ...
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Opposite of %in%: exclude rows with values specified in a vector

... use `%not in%` <- function (x, table) is.na(match(x, table, nomatch=NA_integer_)) Another way is: function (x, table) match(x, table, nomatch = 0L) == 0L share | improve this answer ...
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Scroll Automatically to the Bottom of the Page

...Safari and IE8+. Check out this link for more detail quirksmode.org/dom/w3c_cssom.html – Tho Jan 26 '16 at 8:49 ...
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Convert HashBytes to VarChar

... I have found the solution else where: SELECT SUBSTRING(master.dbo.fn_varbintohexstr(HashBytes('MD5', 'HelloWorld')), 3, 32) share | improve this answer | follow ...
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Tools to generate database tables diagram with Postgresql? [closed]

...ok something like: java -jar schemaspy-6.0.0-rc2.jar -t pgsql -db database_name -host myhost -u username -p password -o ./schemaspy -dp postgresql-9.3-1100.jdbc3.jar -s public -noads Sometimes using options -port will not working if your database has diferrent port, so you have to add manual port...
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Random strings in Python

...: import random, string def randomword(length): letters = string.ascii_lowercase return ''.join(random.choice(letters) for i in range(length)) Results: >>> randomword(10) 'vxnxikmhdc' >>> randomword(10) 'ytqhdohksy' ...
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Spring get current ApplicationContext

...n test) that caused a lot of tricky bugs. – Oleksandr_DJ Jun 26 '18 at 19:54 add a comment  |  ...
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Sequence contains no elements?

... In hind sight, I'm really not sure >_< Silly problem really. – Andy Hunt Aug 24 '09 at 20:03 add a comment  |  ...