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How to avoid reinstalling packages when building Docker image for Python projects?

... I am getting this Error :- failed to solve with frontend dockerfile.v0: failed to create LLB definition: Dockerfile parse error line 10: Unknown flag: mount – Mayur Dangar Jun 18 at 17:10 ...
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Explain the use of a bit vector for determining if all characters are unique

I am confused about how a bit vector would work to do this (not too familiar with bit vectors). Here is the code given. Could someone please walk me through this? ...
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ViewController respondsToSelector: message sent to deallocated instance (CRASH)

... Use Instruments to track down deallocated instance errors. Profile your application (Cmd ⌘+I) and choose Zombies template. After your application is running, try to crash it. You should get something like that: Click on the arrow next to address in the popover to show ob...
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How do I do a HTTP GET in Java? [duplicate]

...thod("http://httpcomponents.apache.org"); // execute method and handle any error responses. ... InputStream in = get.getResponseBodyAsStream(); // Process the data from the input stream. get.releaseConnection(); and here is a more complete example. ...
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What is the difference between LL and LR parsing?

Can anyone give me a simple example of LL parsing versus LR parsing? 5 Answers 5 ...
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MySQL: @variable vs. variable. What's the difference?

In another question I posted someone told me that there is a difference between: 4 Answers ...
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How do I change Bootstrap 3 column order on mobile layout?

I'm making a responsive layout with a top fixed navbar. Underneath I have two columns, one for a sidebar (3), and one for content (9). Which on desktop looks like this ...
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Determine if code is running as part of a unit test

... test framework. The reason I need this is because I show a MessageBox on errors. But my unit tests also test the error handling code, and I don't want a MessageBox to pop up when running unit tests. /// <summary> /// Detects if we are running inside a unit test. /// </summary> public ...
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Count the number of occurrences of a character in a string in Javascript

...) returns null, meaning length() will return 0 instead of producing a type error. – Nathan Sep 20 '12 at 6:27 ...
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Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)

... Hey @Sam, I added the .jar file to my project but am getting this error at the line that instantiates the Carrier object : java.lang.NoClassDefFoundError: com.droidprism.Carrier is that happening to you? – toobsco42 Jul 26 '13 at 20:54 ...