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How to avoid “Permission denied” when using pip with virtualenv
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if I want to create it in /opt which requires sudo, I think virtualenv won't install without sudo.
– Umair A.
Dec 12 '13 at 13:10
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What is the usefulness of `enable_shared_from_this`?
...;Y>(this);
}
}
The shared pointer that this returned will have a different reference count from the "proper" one, and one of them will end up losing and holding a dangling reference when the object is deleted.
enable_shared_from_this has become part of C++ 11 standard. You can also get it ...
Will console.log reduce JavaScript execution performance?
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If you are going to have this on a public site or something, anyone with little knowledge on using the developer tools can read your debug messages. Depending on what you are logging, this may not be a desirable behavior.
On...
“f” after number
... after the numbers indicate? Is this from C or Objective-C? Is there any difference in not adding this to a constant number?
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Redirect Windows cmd stdout and stderr to a single file
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If there is a Handle, there cannot be a space between the Handle (i.e. 2) and the redirect operator (i.e. >). Therefore 2> 2.txt works (or 2> &1) 2 > 2.txt does not; 2 > &1 does not.
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How to verify Facebook access token?
...in issue here is that using the me?access_token method is just plain wrong if the data is coming from the client side; since any site can fish for tokens then use them to authenticate into your site by accessing your api.
– srcspider
Jul 2 '15 at 11:09
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How to create directories recursively in ruby?
I want to store a file as /a/b/c/d.txt, but I do not know if any of these directories exist and need to recursively create them if necessary.
How can one do this in ruby?
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How to give Jenkins more heap space when it´s started as a service under Windows?
...ter -Xmx with the size you want to the arguments-tag (or increase the size if its already there).
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grid controls for ASP.NET MVC? [closed]
If you are using ASP.NET MVC how are you doing grid display?
Rolled your own?
Got a library from somewhere?
12 Answers
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How to calculate time elapsed in bash script?
...ate into performing the time arithmetic for you, by writing date -u -d @"$diff" +'%-Mm %-Ss'. (That interprets $diff as seconds-since-the-epoch, and computes the minutes and seconds in UTC.) That's probably not any more elegant, though, just better obfuscated. :-P
– ruakh
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