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How to get a random value from dictionary in python
...'walk': 20, 'run': 80} and when I use random.choice(a.keys()), there is an error like "dict_keys' object does not support indexing". Do you know what's wrong? Thanks a lot!!!
– beepretty
May 11 '16 at 4:50
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Cannot use object of type stdClass as array?
I get a strange error using json_decode() . It decode correctly the data (I saw it using print_r ), but when I try to access to info inside the array I get:
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What is a 'semantic predicate' in ANTLR?
...gStream("123, 456, 7777 , 89");
and do the test again: you will see an error appearing on the console right after the string 777.
Semantic Predicates
This brings us to the semantic predicates. Let's say you want to parse
numbers between 1 and 10 digits long. A rule like:
number
: Digit ...
Convert string to number and add one
....
– Justin Niessner
Oct 6 '11 at 13:05
@Justin Niessner, fair enough. Brackets can help clarify the order of execution...
how to check if a form is valid programmatically using jQuery Validation Plugin
... Thank you, I was already doing something like: $j("#myform label.error").each( function(i,e) { if($j(e).css('display') != 'none') { existErrors = true ; } }); :S Thanks
– Jaime Hablutzel
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Alter a MySQL column to be AUTO_INCREMENT
...CREMENT after the fact. I have tried the following SQL, but got a syntax error notification.
19 Answers
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Github “Updates were rejected because the remote contains work that you do not have locally.”
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The error possibly comes because of the different structure of the code that you are committing and that present on GitHub. It creates conflicts which can be solved by
git pull
Merge conflicts resolving:
git push
If you co...
Number of visitors on a specific page
...come from ?
– Basj
Oct 21 '13 at 20:05
3
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git index.lock File exists when I try to commit, but cannot delete the file
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@skyking in the original question there's an error that says fatal: Unable to create 'project_path/.git/index.lock': File exists., it says "File exists", and deleting it would simple solution. Why would I suggest deleting a file if it's not even in the original questio...
SVN undo delete before commit
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1) do
svn revert . --recursive
2) parse output for errors like
"Failed to revert 'dir1/dir2' -- try updating instead."
3) call svn up for each of error directories:
svn up dir1/dir2
share
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