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Will strlen be calculated multiple times if used in a loop condition?
...0; while(s[len] != '\0') len++; return len; } which is pretty much exactly what you are doing in the code in your answer. I'm not arguing that iterating over the string once rather than twice is more time-efficient, but I don't see one or the other using more or less memory. Or are you referring to ...
How to check if an email address exists without sending an email?
...use - as it is expected that a legitimate mail sender will retry, which is what normal mail transfer agents will do.
However, if your code only checks on the server once, a server with greylisting will deny delivery (as your client is connecting for the first time); unless you check again in a litt...
Create new user in MySQL and give it full access to one database
...say dbTest , that I create with a command like create database dbTest; . What would be the MySQL commands to do that?
8 A...
Disable building workspace process in Eclipse
What is Eclipse doing when building workspace process is running? Can i disable it because it is taking a long time to complete and i dont know if it is necessary. Thank you
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regex for zip-code
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Hi what about the condition 123451234 without space
– Ajay Suwalka
Oct 10 '14 at 11:42
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How to configure a HTTP proxy for svn
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Have you seen the FAQ entry What if I'm behind a proxy??
... edit your "servers" configuration file to indicate which proxy to use. The files location depends on your operating system. On Linux or Unix it is located in the directory "~/.subversion"....
MySQL show current connection info
I am in a MySQL terminal session but I don't know what server I am connected to, or what database I am connected to.
3 Ans...
Circle drawing with SVG's arc path
...point. This explains why when you want 360* arc, then engine does not know what to do. The reason it does not work for 359.999 is that this is numerically unstable computation, and while there technically is exactly one circle which matches the request, it would probably not be the one you wanted an...
Creating an empty file in Ruby: “touch” equivalent?
What is the best way to create an empty file in Ruby?
5 Answers
5
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Immutable vs Unmodifiable collection
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So, what you're saying. Is for true immutability you need an immutable collection that contains items of an immutable type.
– Evan Plaice
Feb 24 '14 at 9:58
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