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Explain the encapsulated anonymous function syntax
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How to check if an email address exists without sending an email?
...mand, but it is intended for exactly this. If the server responds with a 2.0.0 DSN, the user exists.
VRFY user
You can issue a RCPT, and see if the mail is rejected.
MAIL FROM:<>
RCPT TO:<user@domain>
If the user doesn't exist, you'll get a 5.1.1 DSN. However, just because the ema...
How to check that an element is in a std::set?
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git push says “everything up-to-date” even though I have local changes
...eate a temporary branch using the -b option, but starting from version 1.5.0, the above command detaches your HEAD from the current branch and directly points at the commit named by the tag (v2.6.18 in the example above).
You can use all git commands while in this state.
You can use git reset...
What resources are shared between threads?
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answered Nov 19 '09 at 10:48
Greg HewgillGreg Hewgill
783k167167 gold badges10841084 silver badges12221222 bronze badges
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How to escape special characters in building a JSON string?
...e this list of special character used in JSON :
\b Backspace (ascii code 08)
\f Form feed (ascii code 0C)
\n New line
\r Carriage return
\t Tab
\" Double quote
\\ Backslash character
However, even if it is totally contrary to the spec, the author could use \'.
This is bad because :
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Check if two linked lists merge. If so, where?
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edited Oct 20 '09 at 14:41
answered Oct 20 '09 at 12:47
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Is MD5 still good enough to uniquely identify files?
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edited Oct 27 '10 at 10:40
answered Oct 27 '10 at 10:33
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Setting a system environment variable from a Windows batch file?
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answered Sep 27 '10 at 14:49
Hugh AllenHugh Allen
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How to avoid installing “Unlimited Strength” JCE policy files when deploying an application?
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edited Jul 8 '17 at 10:21
answered Mar 18 '14 at 22:42
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