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Cassandra port usage - how are the ports used?
When experimenting with Cassandra I've observed that Cassandra listens to the following ports:
7 Answers
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How to use subprocess popen Python
...ata. A clever attacker can modify the input to access arbitrary system commands. E.g. by inputting filename.swf; rm -rf / for the value of filename. However, this is only a problem, when the contents of your argument to Popen is insecure.
– Hans Then
Sep 26 '12...
jQuery add image inside of div tag
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appendTo doesn't work...at least in my code and it wasn't the right one to use after I read it on the jQuery docs page even before posting this thread.
– PositiveGuy
Jul 30 '10 at 16:28
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Type converting slices of interfaces
... exception to this rule is converting strings. When converting a string to and from a []byte or a []rune, Go does O(n) work even though conversions are "syntax".
There is no standard library function that will do this conversion for you. You could make one with reflect, but it would be slower than ...
\d is less efficient than [0-9]
...code escapes are still valid in ECMAScript (\u1234). It's "just" the shorthand character classes that change meaning (like \d) and the Unicode property/script shorthands that go away (like \p{N}).
– Tim Pietzcker
May 20 '13 at 9:51
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How do I manipulate a variable whose name conflicts with PDB commands?
...be omitted unless the first word of the statement resembles a debugger command. [...]
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Uninstall old versions of Ruby gems
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For removing older versions of all installed gems, following 2 commands are useful:
gem cleanup --dryrun
Above command will preview what gems are going to be removed.
gem cleanup
Above command will actually remove them.
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Jsoup SocketTimeoutException: Read timed out
...:171)
at java.net.SocketInputStream.read(SocketInputStream.java:141)
and only setting .userAgent(Opera) worked for me.
So I used Connection userAgent(String userAgent) method of Connection class to set Jsoup user agent.
Something like:
Jsoup.connect("link").userAgent("Opera").get();
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Margin-Top not working for span element?
...erties specify the width of the margin area of a box. The
'margin' shorthand property sets the margin for all four sides while
the other margin properties only set their respective side. These
properties apply to all elements, but vertical margins will not have
any effect on non-replaced inl...
How do you modify a CSS style in the code behind file for divs in ASP.NET?
... answered Mar 18 '09 at 6:29
Andy WhiteAndy White
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