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How to install PostgreSQL's pg gem on Ubuntu?
...ting extended state information... Done (Reading database ... 166183 files and directories currently installed.) Removing bison ... Removing libnss3-dev ... Removing libnspr4-dev ... Removing libqt4-core ... Removing libqt4-test ... Removing libsqlite3-dev ... Processing triggers for man-db ..
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Is there a “do … until” in Python? [duplicate]
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BTW, this is called "loop-and-a-half". Python continues to support this construct because it's one of the easiest loop patterns to correctly write and understand. See cs.duke.edu/~ola/patterns/plopd/loops.html#loop-and-a-half
– B...
Render Partial View Using jQuery in ASP.NET MVC
... however, call a method (action) that will render the partial view for you and add it to the page using jQuery/AJAX. In the below, we have a button click handler that loads the url for the action from a data attribute on the button and fires off a GET request to replace the DIV contained in the par...
what is the difference between a portlet and a servlet?
I am asked to work on portlets and portals.
5 Answers
5
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Transitions on the CSS display property
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You can concatenate two transitions or more, and visibility is what comes handy this time.
div {
border: 1px solid #eee;
}
div > ul {
visibility: hidden;
opacity: 0;
transition: visibility 0s, opacity 0.5s linear;
}
div:hover > ul {
visibil...
NSUserDefaults not cleared after app uninstall on simulator
...eleted when you delete them from a physical device running iOS8.
A quick and annoying solution for now is to click, iOS Simulator -> Reset Content and Settings.
Xcode 9.2 with Simulator 10 still presents this issue. Menu option is now Hardware .. Erase All Content and Settings
I submitted a b...
Android ADB device offline, can't issue commands
I can't connect to my device anymore using ADB through the command line or in Eclipse .
58 Answers
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Adding an arbitrary line to a matplotlib plot in ipython notebook
I'm rather new to both python/matplotlib and using it through the ipython notebook. I'm trying to add some annotation lines to an existing graph and I can't figure out how to render the lines on a graph. So, for example, if I plot the following:
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Difference between add(), replace(), and addToBackStack()
... This means that the transaction will be remembered after it is committed, and will reverse its operation when later popped off the stack.
2) fragmentTransaction.replace(int containerViewId, Fragment fragment, String tag)
Description - Replace an existing fragment that was added to a container. Th...
rails - Devise - Handling - devise_error_messages
...error_messsages! method is just a stub (though it contains implementation) and that we're supposed to override/replace it. It would have been nice if this was pointed out somewhere in the wiki, which is why i guess there are a few people like us that have been guessing.
So I'm going to try reopenin...