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Checking network connection
...efore we try with Python, let's test connectivity using an external tool, Netcat:
$ nc 8.8.8.8 53 -zv
Connection to 8.8.8.8 53 port [tcp/domain] succeeded!
Netcat confirms that we can reach 8.8.8.8 over 53/tcp. Now we can set up a socket connection to 8.8.8.8:53/tcp in Python to check connection:
i...
Is modern C++ becoming more prevalent? [closed]
...s" - raw pointers, char* strings and use of associated C functions, arrays etc; newer code uses ATL smart pointers and such to manage resources, but still sticks to hand-coded loops most of the time, and iterator is a rare sight; and the newest one is chock-full of STL containers, al
Is there a performance difference between a for loop and a for-each loop?
...d", e.g. the get-method inside the loop will be called for values 1, 2, 3, etc.
– volley
Nov 3 '08 at 19:30
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How do I select the parent form based on which submit button is clicked?
...s different). A user will only fill in one form, and I'd like to validate/etc all the forms with only one JS script.
5 Ans...
How to sync with a remote Git repository?
... git pull is not going to work unless you've configured the remote to fetch from and the branch to merge to.
– Abizern
Nov 30 '10 at 11:53
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Insert ellipsis (…) into HTML tag if content too wide
... of the text; then 75% of the text if 50% fits, or 25% if 50% doesn't fit, etc.
– StanleyH
Feb 1 '11 at 10:07
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show 12 more comments
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Unmangling the result of std::type_info::name
...a type_info class. This contains the name of the typeid'd class/function/etc. but it's mangled. It's not very useful. I.e. typeid(std::vector<int>).name() returns St6vectorIiSaIiEE .
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Is delete this allowed?
...he call started, possibly connect more people if you do a conference call, etc.) When the last people on the call hang up, the phone_call object does its final book-keeping (e.g., adds an entry to the database to say when you hung up, so they can compute how long your call was) and then destroys its...
Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
...ugh the Database Tuning Adviser which will suggest if you need any indexes etc. Link here msdn.microsoft.com/en-us/library/ms174202.aspx
– Kev Ritchie
Dec 22 '11 at 11:22
add ...
Join strings with a delimiter only if strings are not null or empty
...r(x => x)) removes all "falsy" values (nulls, undefineds, empty strings etc). If your definition of "empty" is different, then you'll have to provide it, for example:
[...].filter(x => typeof x === 'string' && x.length > 0)
will only keep non-empty strings in the list.
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(obs...