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Using smart pointers for class members
...seems like everybody recommends using unique_ptr as the way to go almost all the time. But how would I implement something like this:
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LINQ To Entities does not recognize the method Last. Really?
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That limitation comes down to the fact that eventually it has to translate that query to SQL and SQL has a SELECT TOP (in T-SQL) but not a SELECT BOTTOM (no such thing).
There is an easy way around it though, just order descending and then do a First(), which is what you di...
Gray out image with CSS?
...initely doesn't work in IE10, IE11, FF26, Safari 5.1.x (Win7 x64), or basically anything outside of Chrome (example.)
– nickb
Feb 10 '14 at 8:56
2
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Convert light frequency to RGB?
...teachers may have told us (well mine did). Too bad, but in practice not usually fatal.
– Francis Davey
May 29 '10 at 22:58
1
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Which would be better for concurrent tasks on node.js? Fibers? Web-workers? or Threads?
...e to use is a confusion and one of them definitely needs to be used - afterall what's the purpose of having a server which is just good at IO and nothing else? Suggestions needed!
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virtualenv --no-site-packages and pip still finding global packages?
... My hero! If you just want to check if that is your issue really quickly, you can run printenv to see if PYTHONPATH is there, and if it is, run unset PYTHONPATH. You'll still have to go track down the problem if you don't want the issue to pop up anymore, but that'll let you get a fr...
How can I update NodeJS and NPM to the next versions?
I just installed Node.js and npm (for additional modules).
47 Answers
47
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How can I hide an HTML table row so that it takes up no space?
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I would really like to see your TABLE's styling. E.g. "border-collapse"
Just a guess, but it might affect how 'hidden' rows are being rendered.
share
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What is the equivalent of “none” in django templates?
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None, False and True all are available within template tags and filters. None, False, the empty string ('', "", """""") and empty lists/tuples all evaluate to False when evaluated by if, so you can easily do
{% if profile.user.first_name == None...
Why start a shell command with a backslash?
...t there are also other well known ways to quote: single and double quotes. All of the following will suppress alias substitution:
\curl
cur\l
\c\u\r\l
"c"url
"curl"
"c""u""r""l"
'curl'
'cu'"rl"
Using \curl is just the most common and readable way. Since this is a standardized feature, you...