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Can not connect to local PostgreSQL

...really looks like a file permissions error. Unix domain sockets are files and have user permissions just like any other. It looks as though the OSX user attempting to access the database does not have file permissions to access the socket file. To confirm this I've done some tests on Ubuntu and p...
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Get UIScrollView to scroll to the top

...animated:YES]; or if you want to preserve the horizontal scroll position and just reset the vertical position: [self.scrollView setContentOffset:CGPointMake(self.scrollView.contentOffset.x, 0) animated:YES]; share ...
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Check if an apt-get package is installed and then install it if it's not on Linux

I'm working on a Ubuntu system and currently this is what I'm doing: 22 Answers 22 ...
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what is difference between success and .done() method of $.ajax

Can anyone help me? I am not able to understand the difference between success and .done() of $.ajax . 4 Answers ...
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What's the best way to get the last element of an array without deleting it?

... many different options. To be able to choose from them I needed to understand their behavior and performance. In this answer I will share my findings with you, benchmarked against PHP versions 5.6.38, 7.2.10 and 7.3.0RC1 (expected Dec 13 2018). The options (<<option code>>s) I will tes...
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Run PHP Task Asynchronously

I work on a somewhat large web application, and the backend is mostly in PHP. There are several places in the code where I need to complete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they h...
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Strip html from string Ruby on Rails

...s there a way to strip html from a string using sanitize or equal method and keep only text inside value attribute on input tag? ...
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Is there a generator version of `string.split()` in Python?

...offset parameter of the str.find() method. This avoids lots of memory use, and relying on the overhead of a regexp when it's not needed. [edit 2016-8-2: updated this to optionally support regex separators] def isplit(source, sep=None, regex=False): """ generator version of str.split() ...
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How to sort with a lambda?

... Then you understand my confusion. I think it might be something weird with my VC10 Express (no service pack). I moved the project onto a machine with Visual Studio 2010 Team and it worked without the "-> bool". – B...
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Eclipse Android Plugin — libncurses.so.5

I am struggling mightily with installing ADT (Android Dev Tools) on Eclipse in Fedora 16 OS, 64-bit. 7 Answers ...