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undefined method `source_index' for Gem:Module (NoMethodError)
...st ran into this problem myself while trying to upgrade an older Rails app from REE 1.8.7 to 1.9.3-p385. Oddly, Ruby 1.9.3-p327 works just fine. What it came down to was ruby-1.9.3-p385 had installed RubyGems version 2.0.2 for me, and 1.9.3-p327 has RubyGems v1.8.23 installed.
Gem.source_index has ...
How to get different colored lines for different plots in a single figure?
.... That said, excellent answer to an important question (possibly different from what OP asked, but no one can tell because they asked this single question and disappeared!) — +1
– gboffi
Aug 5 '19 at 8:58
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Can the Unix list command 'ls' output numerical chmod permissions?
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I copy and pasted the line from danger89 and found that strangely the output began with %0..o per line, instead of say 755. If anyone else comes across this, the cause appears to be a hidden character between the 0 and o. Once deleted the command is se...
UICollectionView inside a UITableViewCell — dynamic height?
...you may find wrong resized cells.
@implementation TableCell
- (void)awakeFromNib {
[super awakeFromNib];
UICollectionViewFlowLayout *flow = (UICollectionViewFlowLayout *)self.collectionView.collectionViewLayout;
// Configure the collectionView
flow.minimumInteritemSpacing = ...;
...
Sorting related items in a Django template
...her solution is to add a property to your Event model, that you can access from your template:
class Event(models.Model):
# ...
@property
def sorted_attendee_set(self):
return self.attendee_set.order_by('last_name')
You could define more of these as you need them...
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Can you control how an SVG's stroke-width is drawn?
...ly and dissapointingly, the SVG working group has removed stroke-alignment from SVG 2. You can see some of the concerns described after the prose here.
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How do I find out my python path using python?
...d out which directories are listed in my system’s PYTHONPATH variable, from within a Python script (or the interactive shell)?
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What do the following phrases mean in C++: zero-, default- and value-initialization?
...fication). See Kirill V. Lyadvinsky's answer for the definitions straight from the standard.
See this previous answer about the behavior of operator new for details on the the different behavior of these type of initialization and when they kick in (and when they differ from c++98 to C++03):
Do ...
php execute a background process
... script in whatever language (php/bash/perl/etc) is handy and then call it from the process control functions in your php script.
The function probably detects if standard io is used as the output stream and if it is then that will set the return value..if not then it ends
proc_close( proc_open( ...
C# XML Documentation Website Link
...ed by Microsoft, is a free tool used for creating MSDN-style documentation from .NET assemblies and their associated XML comment files. It is command-line based and has no GUI front-end, project management features, or an automated build process." HTH!
– dizzwave
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