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sed whole word search and replace
How do I search and replace whole words using sed?
6 Answers
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Rails 4: before_filter vs. before_action
...ore_filter.
However all before_filters syntax are deprecated in Rails 5.0 and will be removed in Rails 5.1
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How to check for Is not Null And Is not Empty string in SQL server?
...we check in a SQL Server WHERE condition whether the column is not null and not the empty string ( '' )?
7 Answers
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how to know if the request is ajax in asp.net mvc?
...der added to indicate it is AJAX. The header to check is X-Requested-With, and the value will be XMLHttpRequest when it is an AJAX call.
Note that AJAX requests are normal GETs or POSTs, so unless you (or your AJAX library like jQuery) are adding an additional header in the request, there is no way...
memory_get_peak_usage() with “real usage”
... the number of bytes requested by calls to emalloc (plus bytes for headers and memory alignment). It doesn't reflect memory wasted due to blocks not fitting into space remaining in already allocated segments. If you change your example to allocate (1024 * 256) bytes and a 2M limit, the difference of...
Resharper Alt Enter not working
... edited Aug 16 '17 at 10:20
Andrii Omelchenko
11.4k77 gold badges3636 silver badges6969 bronze badges
answered Oct 20 '09 at 18:11
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How to paginate with Mongoose in Node.js?
I am writing a webapp with Node.js and mongoose. How can I paginate the results I get from a .find() call? I would like a functionality comparable to "LIMIT 50,100" in SQL.
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Convert string with comma to integer
...ies. In Germany it means the number a little over one, instead of one thousand and something.
Corresponding Wikipedia article is at http://en.wikipedia.org/wiki/Decimal_mark. It seems to be poorly written at this time though. For example as a Chinese I'm not sure where does these description about ...
Parsing JSON from XmlHttpRequest.responseJSON
... HTTP requests. The fetch API works with promises, which is a nice way to handle asynchronous workflows in JavaScript. With this approach you use fetch() to send a request and ResponseBody.json() to parse the response:
fetch(url)
.then(function(response) {
return response.json();
})
.then...
How do you see the entire command history in interactive Python?
I'm working on the default python interpreter on Mac OS X, and I Cmd + K (cleared) my earlier commands. I can go through them one by one using the arrow keys. But is there an option like the --history option in bash shell, which shows you all the commands you've entered so far?
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