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Where can I get a “useful” C++ binary search algorithm?
... with the C++ STL containers, something like std::binary_search in the standard library's <algorithm> header, but I need it to return the iterator that points at the result, not a simple boolean telling me if the element exists.
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“unpacking” a tuple to call a matching function pointer
.... doesn't work from the signatures: your std::make_unique expects a tuple, and a tuple can be created from an unpacked tuple only via another call to std::make_tuple. This is what I've done in the lambda (although it's highly redundant, as you can also simply copy the tuple into the unique pointer w...
Convert PDF to image with high resolution
I'm trying to use the command line program convert to take a PDF into an image (JPEG or PNG). Here is one of the PDFs that I'm trying to convert.
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Convert seconds to Hour:Minute:Second
...presents the amount of hours in a single day. So if you have 90000 seconds and you'll use H on it the result will be 01 (first hour of a next day). NOT 25 - there are only 24 hours in a day.
– MarcinWolny
Jun 20 '13 at 10:35
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How does Google Instant work?
...rticle called Google Instant, behind the scenes. It's an interesting read, and obviously related to this question. You can read how they tackled the extra load (5-7X according to the article) on the server-side, for example. The answer below examines what happens on the client-side:
Examining wit...
Script to get the HTTP status code of a list of urls?
...rs will notice that this uses one curl process per URL, which imposes fork and TCP connection penalties. It would be faster if multiple URLs were combined in a single curl, but there isn't space to write out the monsterous repetition of options that curl requires to do this.)
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What is Bit Masking?
I am fairly new to C programming, and I encountered bit masking. Can someone explain to me the general concept and function of bit masking? Examples are much appreciated.
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How can I restore the MySQL root user’s full privileges?
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If the GRANT ALL doesn't work, try:
Stop mysqld and restart it with the --skip-grant-tables option.
Connect to the mysqld server with just: mysql (i.e. no -p option, and username may not be required).
Issue the following commands in the mysql client:
UPDATE mysql.user SE...
Difference between class and type
Being new to Java, I'm confused between the concepts of class and type .
For example, should the object "Hello World!" belong to the type String or class String ? Or maybe both?
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i18n Pluralization
... }
}
}
}
}
Native speakers may enjoy cases such as 111 and 121.
And here the test results:
zero: 0 запросов/куриц/яблок
one: 1 запрос/курица/яблоко
few: 3 запроса/курицы/яблока
many: 5 запросов/куриц/яблок...