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Replace all non-alphanumeric characters in a string
..."".join([ c if c.isalnum() else "*" for c in s ])
This doesn't deal with grouping multiple consecutive non-matching characters though, i.e.
"h^&i => "h**i not "h*i" as in the regex solutions.
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How to increase the gap between text and underlining in CSS
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Update 2019: The CSS Working Group has published a draft for text decoration level 4 which would add a new property text-underline-offset (as well as text-decoration-thickness) to allow control over the exact placement of an underline. As of this writing...
Paste multiple times
...witch I've needed to make when moving to Vim is to figure out how to apply group edits sequentially. I.e. rather than doing a bunch of edits on a line and then doing a bunch of the same edits on another line, I'll do the first edit on a bunch of lines (using . to great effect), then the second edit...
How do I debug error ECONNRESET in Node.js?
...u can log the error with more information.
To have one listener for a group of calls you can use domains and also catch other errors on runtime. Make sure each async operation related to http(Server/Client) is in different domain context comparing to the other parts of the code, the domain wil...
Why is argc not a constant?
... and it appears they know they're being naughty. The man page at the Open Group does not mention this permutation.)
Putting const on argc and argv wouldn't buy much, and it would invalidate some old-school programming practices, such as:
// print out all the arguments:
while (--argc)
std::cou...
config.assets.compile=true in Rails production, why not?
...
Set config.asset.compile = false
Add to your Gemfile
group :assets do
gem 'turbo-sprockets-rails3'
end
Install the bundle
Run rake assets:precompile
Then Start your server
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Solr vs. ElasticSearch [closed]
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Solr :
less code and more configuration and hence less maintenance
for grouping results during querying(lots of work to achieve in
elastic search in short no straight way)
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ANTLR: Is there a simple example?
...at are built using the 4 basic math operators: +, -, * and /. You can also group expressions using parenthesis.
Note that this grammar is just a very basic one: it does not handle unary operators (the minus in: -1+9) or decimals like .99 (without a leading number), to name just two shortcomings. Th...
HTML File Selection Event
...ion="/gallery/imagePoster" method="post">
<div class="input-group">
<input id="filePoster" type="file" class="form-control" name="photo" required="required" multiple="multiple" />
<button id="submitFiles" class="btn btn-primary" type="submit" name="button">...
How can foreign key constraints be temporarily disabled using T-SQL?
... INNER JOIN sys.schemas AS schRef ON schRef.schema_id = oRef.schema_id
GROUP BY fkc.parent_object_id
,fkc.referenced_object_id
,fk.NAME
,fk.object_id
,schParent.NAME
,schRef.NAME
) AS const
ORDER BY const.const_name
Here is the script that generates ...