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Getting “bytes.Buffer does not implement io.Writer” error message
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AngularJS ng-if with multiple conditions
... @CharanCherry Take a look into angular form validation. That way you can set all desired fields ng-required and check for form validity in for example an ng-disabled expression on the submit button. cfr fdietz.github.io/recipes-with-angular-js/using-forms/…
– Gecko
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How to trim whitespace from a Bash variable?
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42 Answers
42
Active
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How to make --no-ri --no-rdoc the default for gem install?
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On Windows XP the path to the .gemrc file is
c:\Documents and Settings\All Users\Application Data\gemrc
and this file is not created by default, you should create it yourself.
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JavaScript style for optional callbacks
I have some functions which occasionally (not always) will receive a callback and run it. Is checking if the callback is defined/function a good style or is there a better way?
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How to remove a key from Hash and get the remaining hash in Ruby/Rails?
...# => { a: true, b: false, c: nil}
#
# This is useful for limiting a set of parameters to everything but a few known toggles:
# @person.update(params[:person].except(:admin))
def except(*keys)
dup.except!(*keys)
end
# Replaces the hash without the given keys.
# hash = { a: t...
Newline in JLabel
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You can try and do this:
myLabel.setText("<html>" + myString.replaceAll("<","&lt;").replaceAll(">", "&gt;").replaceAll("\n", "<br/>") + "</html>")
The advantages of doing this are:
It replaces all newlines with <br/>...
Ruby Gem install Json fails on Mavericks and Xcode 5.1 - unknown argument: '-multiply_definedsuppres
...nused-command-line-argument-hard-error-in-future
To workaround this issue, set the ARCHFLAGS environment variable to downgrade the error to a warning.
ARCHFLAGS=-Wno-error=unused-command-line-argument-hard-error-in-future gem install GemName
It seems that all gems violating the compiler options mus...
Why is GHC so large/big?
...together in a single .o file. The other three versions all have their own set of interface files (.hi files) too. The profiled versions seem to be about twice the size of the unprofiled versions (which is a bit suspicious, I should look into why that is).
Remember that GHC itself is a library, so...
Is there a (repeat-last-command) in Emacs?
...rds to 'describe-last-function':
There's a variable last-command which is set to a symbol representative of the last thing you did. So this elisp snippet - (describe-function last-command) - ought to bring up the documentation for the thing that immediately happened.
So you could make a trivial wo...