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No empty constructor when create a service
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I don´t know if it is documented anywhere, but if you want to instantiate inner non static classes, the outer class must be instantiated first. Now if you start a service, the instance is created by the system, which won´t know that ...
Using javadoc for Python documentation [closed]
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Have a look at the reStructuredText (also known as "reST") format, which is a plaintext/docstring markup format, and probably the most popular in the Python world. And you should certainly look at Sphinx, a tool to generate documentation from reStructuredText (used fo...
How can I start an interactive console for Perl?
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Matt Trout now has a far more up to date list of REPLs he recommends: shadow.cat/blog/matt-s-trout/mstpan-17
– Davor Cubranic
Oct 6 '16 at 22:33
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grep using a character vector with multiple patterns
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oh I get it now. So its a compress way to output something like A1 | A2 so if one wanted all conditions then the collapse would be with an & sign, cool thanks.
– Ahdee
Feb 23 '18 at 15:41
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Understanding the main method of python [duplicate]
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If you import the module (.py) file you are creating now from another python script it will not execute the code within
if __name__ == '__main__':
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If you run the script directly from the console, it will be executed.
Python does not use or require a main() function...
Difference between outline and border
Does anybody know of any difference between 'border' and 'outline' properties in CSS? If there is no difference, then why are there two properties for the same thing?
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How do you convert a jQuery object into a string?
...date
I wrote the original answer in 2009. As of 2014, most major browsers now support outerHTML as a native property (see, for example, Firefox and Internet Explorer), so you can do:
$('#item-of-interest').prop('outerHTML');
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Importing a CSV file into a sqlite3 database table using Python
...n to a file on disk is left as an exercise for the reader ... but there is now a two-liner made possible by the pandas library
df = pandas.read_csv(csvfile)
df.to_sql(table_name, conn, if_exists='append', index=False)
shar...
How to get Sinatra to auto-reload the file after each change?
...eed to install rerun if you haven’t already:
$ gem install rerun
Now if you start your Sinatra app like this:
$ ruby app.rb
All you have to do for reloading is instead do this:
$ rerun 'ruby app.rb'
If you are for instance using rackup, instead do
the following:
$ reru...
Removing an element from an Array (Java) [duplicate]
...y bad programming.
Suppose you had an array taking up, say, 100mb of ram. Now you want to iterate over it and delete 20 elements.
Give it a try...
I know you ASSUME that it's not going to be that big, or that if you were deleting that many at once you'd code it differently, but I've fixed an a...