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NoClassDefFoundError - Eclipse and Android
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I had this problem after updating ADT.
I was storing all of my JAR files in a folder called "lib" and adding the jars to the build path the normal Eclipse way. This worked fine until my update.
After my update, I was getting the NoClassDefFoundError for a class that I could clearly ...
Express-js can't GET my static files, why?
I've reduced my code to the simplest express-js app I could make:
16 Answers
16
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Changing every value in a hash in Ruby
...string objects):
# Two ways to achieve the same result (any Ruby version)
my_hash.each{ |_,str| str.gsub! /^|$/, '%' }
my_hash.each{ |_,str| str.replace "%#{str}%" }
If you want the hash to change in place, but you don't want to affect the strings (you want it to get new strings):
# Two ways to ...
Selecting/excluding sets of columns in pandas [duplicate]
... is there a way of just selecting the n'th column? ie: df1 = my_df[[n]] where n is the last column of n number of columns, I'm trying negative indexing [[-1]]<- it isn't working :( help!~
– 3kstc
Mar 8 '18 at 3:26
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How do I fetch lines before/after the grep result in bash?
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This prints 10 lines of trailing context after matching lines
grep -i "my_regex" -A 10
If you need to print 10 lines of leading context before matching lines,
grep -i "my_regex" -B 10
And if you need to print 10 lines of leading and trailing output context.
grep -i "my_regex" -C 10
Examp...
setting an environment variable in virtualenv
...vironment variables to get its configuration, but I use virtualenv to test my app locally first.
10 Answers
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Setting DEBUG = False causes 500 Error
Once I change the DEBUG = False , my site will generate 500 (using wsgi & manage.py runserver), and there is no error info in Apache error log and it will run normally when I change debug to True .
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MySQL error 2006: mysql server has gone away
I'm running a server at my office to process some files and report the results to a remote MySQL server.
28 Answers
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How to execute a JavaScript function when I have its name as a string
...nts);
That, however, will not work with a namespace'd function:
window["My.Namespace.functionName"](arguments); // fail
This is how you would do that:
window["My"]["Namespace"]["functionName"](arguments); // succeeds
In order to make that easier and provide some flexibility, here is a conven...
Git - How to fix “corrupted” interactive rebase?
I managed to create a little mess in my local git repository. I was trying to fix a broken commit by using the following instructions . Before running the "git commit --amend" (and after the git rebase --interactive) I decided that my changes were incorrect and so I executed "git reset HEAD --hard"...