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Order of member constructor and destructor calls
Oh C++ gurus, I seek thy wisdom. Speak standardese to me and tell my if C++ guarantees that the following program:
4 Answer...
How do the major C# DI/IoC frameworks compare? [closed]
...erritory, What are the strengths and weaknesses of these popular DI/IoC frameworks, and could one easily be considered the best? ..:
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MySQL CONCAT returns NULL if any field contain NULL
...pty string by wrapping it in COALESCE
SELECT CONCAT(COALESCE(`affiliate_name`,''),'-',COALESCE(`model`,''),'-',COALESCE(`ip`,''),'-',COALESCE(`os_type`,''),'-',COALESCE(`os_version`,'')) AS device_name
FROM devices
share
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What's a concise way to check that environment variables are set in a Unix shell script?
...'ve got a few Unix shell scripts where I need to check that certain environment variables are set before I start doing stuff, so I do this sort of thing:
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What is the difference between and ?
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The previous code was
<p class='item'><span class='name'>*Scrambled eggs on crusty Italian ciabatta and bruschetta tomato</span><span class='price'>$12.50</span></p>
So I have to changed it to
<div class='item'><span class='name'>*Scram...
How do you use window.postMessage across domains?
It seems like the point of window.postMessage is to allow safe communication between windows/frames hosted on different domains, but it doesn't actually seem to allow that in Chrome.
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How do I get cURL to not show the progress bar?
...rks for curl version 7.19.5 on Ubuntu 9.10 (no progress bar). But if for some reason that does not work on your platform, you could always redirect stderr to /dev/null:
curl http://google.com 2>/dev/null > temp.html
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Bash: If/Else statement in one line
I am trying to check if a process (assume it is called some_process ) is running on a server. If it is, then echo 1, otherwise echo 0.
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How to calculate the sentence similarity using word2vec model of gensim with python
... remove all "stop" words (words like "the", "an", etc. that don't add much meaning to the sentence) and then run word2vec on the words in both sentences, sum up the vectors in the one sentence, sum up the vectors in the other sentence, and then find the difference between the sums. By summing them u...
Using pg_dump to only get insert statements from one table within database
I'm looking for a way to get all rows as INSERT statements from one specific table within a database using pg_dump in PostgreSQL.
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