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How can I do DNS lookups in Python, including referring to /etc/hosts?

... I'm not really sure if you want to do DNS lookups yourself or if you just want a host's ip. In case you want the latter, import socket print(socket.gethostbyname('localhost')) # result from hosts file print(socket.gethostbyname('googl...
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How to upgrade PowerShell version from 2.0 to 3.0

...he OS that I am using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0? ...
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Change a Git remote HEAD to point to something besides master

...-f origin master Making master have what you want people to use, and do all other work in branches. (a "git-symbolic-ref HEAD refs/head/published" would not be propagated to the remote repo) This is similar to "How do I delete origin/master in Git". As said in this thread: (emphasis mine) "git...
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Illegal mix of collations MySQL Error

... @Ben: It was initially developed by a Swedish company... That is the reason behind the annoying latin1_swedish_ci initial setting.. :( – Vajk Hermecz Sep 29 '14 at 7:45 ...
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Hudson or Teamcity for continuous integration? [closed]

... @Pavel: I don't know TeamCity as well as Hudson so I won't challenge the beginning of your comment. But, regarding the notifications, claiming that TC is more sophisticated is pure FUD in my not so humble opinion. All the mentioned notification channels are available on Hudson (you can...
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Android - Activity vs FragmentActivity? [duplicate]

... ianhanniballake is right. You can get all the functionality of Activity from FragmentActivity. In fact, FragmentActivity has more functionality. Using FragmentActivity you can easily build tab and swap format. For each tab you can use...
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How do I know that the UICollectionView has been loaded completely?

...on whenever UICollectionView has been loaded completely, i.e. at that time all the UICollectionView's datasource / layout methods should be called. How do I know that?? Is there any delegate method to know UICollectionView loaded status? ...
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Difference between val() and text()

...ut element -- regardless of type. .text() gets the innerText (not HTML) of all the matched elements: .text() The result is a string that contains the combined text contents of all matched elements. This method works on both HTML and XML documents. Cannot be used on input elements. For i...
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How should equals and hashcode be implemented when using JPA and Hibernate

...s equals and hashcode be implemented in Hibernate? What are the common pitfalls? Is the default implementation good enough for most cases? Is there any sense to use business keys? ...
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Entity Framework Timeouts

... @ErikPetru, this is actually a very common practice and makes the code more readable. – Calvin Dec 10 '13 at 18:51 ...