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Scala: Abstract types vs generics
...l need to subclass Buffer—they can just use Buffer[Any], Buffer[String], etc.
If you use an abstract type, then people will be forced to create a subclass. People will need classes like AnyBuffer, StringBuffer, etc.
You need to decide which is better for your particular need.
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Difference between Java Enumeration and Iterator
...that the 'old' collection implementations in java.util (HashSet, ArrayList etc.) exhibit this behaviour. However, the newer 'concurrent' collections will never throw a ConcurrentModificationException, they will traverse the collection as of the time of creation of the iterator. Other implementations...
Difference between window.location.href=window.location.href and window.location.reload()
..., this includes getting all of your assets (images, scripts, style sheets, etc) again. So if you just want the page to refresh the HTML, the window.location = document.URL will return much quicker and with less traffic.
A difference in behavior between browsers is that when IE9 uses the reload met...
Open link in new tab or window [duplicate]
...r, that being said... there are times that this is needed. (print dialogs, etc)
– avanderw
Nov 27 '13 at 7:17
5
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How to show android checkbox at right side?
...013/07/17/… . add a clickListener, and toggle the checking, and inside "setChecked" set the state of the child views accordingly but only if they implement Checkable.
– android developer
Oct 30 '14 at 0:06
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Haversine Formula in Python (Bearing and Distance between two GPS points)
...can, but if you say import math then you have to specify math.pi, math.sin etc. With from math import * you get direct access to all the module contents. Check out "namespaces" in a python tutorial (such as docs.python.org/tutorial/modules.html)
– Michael Dunn
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jQuery Call to WebService returns “No Transport” error
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ya u r right, i used it for get feeds of fbwall, google+ etc using ajax
– Abhishek
Dec 12 '12 at 11:25
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UIButton custom font vertical alignment
... think this is the best answer.
no playing with ascender, numberOfHMetrics etc...
just import-export by Glyphs application
and Job done.
Thanks to this answer:
https://stackoverflow.com/a/16798036/1207684
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Importing two classes with same name. How to handle?
...where. I often do this in unit tests for matchers and .whens, .thenReturns etc. - removes the Mockito. bloat.
– CptBartender
Apr 1 '16 at 10:02
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What can be the reasons of connection refused errors?
...tstat -nupl|grep 3306.
3.Check your firewalls.
For example add 3306
vim /etc/sysconfig/iptables
# add
-A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT
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