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How to show SQL queries run in the Rails console?
...
As from recently, you can use this:
https://github.com/dejan/rails_panel
It consists of developer console panel add-on for chrome, and gem file which needs to be added to your application's Gemfile like this:
group :development do
gem 'meta_request'
end
T...
Changing variable names in Vim
...te } thus will select the whole scope.
Press :s/ - start of the substitute command.
<C-R>/ - will insert pattern that match variable name (that name you were on before pressing gd).
/newname/gc<CR> - will initiate search and replace with confirmation on every match.
Now you have to reco...
Using awk to print all columns from the nth to the last
...c approach. no need to use cat though, just put the filename after the awk command.
– kon
Jun 5 '13 at 10:16
50
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Showing the stack trace from a running Python application
...gdb to the process and get a python stack trace with some gdb macros. Put http://svn.python.org/projects/python/trunk/Misc/gdbinit in ~/.gdbinit, then:
Attach gdb: gdb -p PID
Get the python stack trace: pystack
It's not totally reliable unfortunately, but it works most of the time.
Finally, attac...
Passing a String by Reference in Java?
... time. In fact when you write Java code like s = "Hello " + name, then the compiler will generate byte code which creates a StringBuilder and calls append() two times.
– Aaron Digulla
May 7 '19 at 13:36
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How do you tell a specific Delayed::Job to run in console?
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How do you grep a file and get the next 5 lines
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Nginx serves .php files as downloads, instead of executing them
...an). I have a issue for install NGINX with PHP properly. I did a tutorial https://www.digitalocean.com/community/tutorials/how-to-install-linux-nginx-mysql-php-lemp-stack-on-ubuntu-14-04 but when I try to run some .php file it's just downloading it...
for example... http://5.101.99.123/info.php ...
How do I make my string comparison case insensitive?
I created a Java program to compare two strings:
12 Answers
12
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matplotlib colorbar for scatter
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