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package R does not exist

... files. – Joe Lapp Dec 16 '15 at 23:32 add a comment  |  ...
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How to add a string to a string[] array? There's no .Add function

I'd like to convert the FI.Name to a string and then add it to my array. How can I do this? 13 Answers ...
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Sorting list based on values from another list?

... Shortest Code [x for _,x in sorted(zip(Y,X))] Example: X = ["a", "b", "c", "d", "e", "f", "g", "h", "i"] Y = [ 0, 1, 1, 0, 1, 2, 2, 0, 1] Z = [x for _,x in sorted(zip(Y,X))] print(Z) # ["a", "d", "h", "b", "c", "e", "i", "f"...
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How to insert a SQLite record with a datetime set to 'now' in Android application?

... 32 Method 1 CURRENT_TIME – Inserts only time CURRENT_DATE – Inserts only date CURRENT_TIMESTA...
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How do I remove an item from a stl vector with a certain value?

...r, but it does return the new end iterator which can be passed to container_type::erase to do the REAL removal of the extra elements that are now at the end of the container: std::vector<int> vec; // .. put in some values .. int int_to_remove = n; vec.erase(std::remove(vec.begin(), vec.end(),...
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How to grey out a button?

I have a button defined as shown below. When I want to disable it I use my_btn.setEnabled(false) , but I would also like to grey it out. How can I do that? ...
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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb

...ysql-python When I did the above, I got the error "EnvironmentError: mysql_config not found" To fix this, I did the below in terminal: export PATH=$PATH:/usr/local/mysql/bin When I reran step 1, I get a new error "error: command 'cc' failed with exit status 1" To fix this, I did the...
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How should I ethically approach user password storage for later plaintext retrieval?

As I continue to build more and more websites and web applications I am often asked to store user's passwords in a way that they can be retrieved if/when the user has an issue (either to email a forgotten password link, walk them through over the phone, etc.) When I can I fight bitterly against thi...
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How to make a copy of a file in android?

...or me with the exception java.io.FileNotFoundException: /sdcard/AppProj/IMG_20150626_214946.jpg: open failed: ENOENT (No such file or directory) at the FileOutputStream outStream = new FileOutputStream(dst); step. According to the text I realize, that the file doesn't exist, so I check it and call d...
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How to get a resource id with a known resource name?

...oint. – ddmytrenko Oct 22 '13 at 14:32 3 ...