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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:
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244
You need to add this to your environment.rb
config.action_mailer.default_url_options = { :h...
How do I print a double value without scientific notation using Java?
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123
You could use printf() with %f:
double dexp = 12345678;
System.out.printf("dexp: %f\n", dexp);...
cscope or ctags why choose one over the other? [closed]
...ing to remember all the set up steps.
I map cscope search to ctrl-space x 2 with this snippet, which mitigates the other downer of cscope:
nmap <C-@><C-@> :cs find s <C-R>=expand("<cword>")<CR><CR>
There's this cscope_maps.vim plugin that sets up a bunch of si...
Is embedding background image data into CSS as Base64 good or bad practice?
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12 Answers
12
Active
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How to check if a specified key exists in a given S3 bucket using Java
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answered Nov 29 '11 at 1:28
sethusethu
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What does JVM flag CMSClassUnloadingEnabled actually do?
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219
Update This answer is relevant for Java 5-7, Java 8 has this fixed: https://blogs.oracle.com/p...
What is the difference between “INNER JOIN” and “OUTER JOIN”?
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27 Answers
27
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C++, variable declaration in 'if' expression
...t you were trying to do is finally possible:
if (int a = Func1(), b = Func2(); a && b)
{
// Do stuff with a and b.
}
Note the use of ; of instead of , to separate the declaration and the actual condition.
shar...
Why does `True == False is False` evaluate to False? [duplicate]
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edited Jun 20 '13 at 17:43
answered Jun 19 '13 at 22:11
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How to disable textarea resizing?
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322
You can use css
disable all
textarea { resize: none; }
only vertical resize
textarea { r...