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Cannot ping AWS EC2 instance
...least for me.
But the following rule will work:
Type: All ICMP
Protocol: TCP
Port range: 0 - 65535
Source: Anywhere - 0.0.0.0/0
After doing this you will be able to ping other instances. You should see something like:
PING 10.0.0.15 (10.0.0.15): 56 data bytes
64 bytes from 10.0.0.14: icmp_seq=1...
Why is WinRT unmanaged? [closed]
... use WinRT without jumping through the hoops that C++/CLI introduces ( see http://www2.research.att.com/~bs/bs_faq.html#CppCLI ) It does mean though that you will still have to study COM if you want to use WinRT.
The real question is 'why is COM necessary? why did Microsoft have to invent it?' B...
PDOException SQLSTATE[HY000] [2002] No such file or directory
... not find the database in the standard directory. However "127.0.0.1" uses TCP (Transmission Control Protocol), which essentially means it runs through the "local internet" on your computer being much more reliable than the UNIX socket in this case.
...
What is “Argument-Dependent Lookup” (aka ADL, or “Koenig Lookup”)?
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ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...olog
conn system
alter system set local_listener = '(ADDRESS=(PROTOCOL=TCP)(HOST=localhost)(PORT=1521))' scope = both;
alter system register;
exit
lsnrctl status
This should probably work ...
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What is the canonical way to check for errors using the CUDA runtime API?
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What are copy elision and return value optimization?
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原子vector的一种实现源码(atomic-vector) - C/C++ - 清泛网 - 专注C/C++及内核技术
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| that is bundled with this package ...
How does a hash table work?
...s. Seems you're wondering about chaining: say we have three value nodes A{ptrA, valueA}, B{ptrB, valueB}, C{ptrC, valueC}, and a hash table with three buckets [ptr1, ptr2, ptr3]. Regardless of whether there are collisions when inserting, the memory usage is fixed. You may have no collisions: A{NUL...
Resolve build errors due to circular dependency amongst classes
... fine, so are various const versions of the same.
B& _b_ref;
B* _b_ptr;
};
Now things are better. Somewhat. main() still says:
// file: main.cc
#include "A.h" // <-- Houston, we have a problem
#include, for all extents and purposes (if you take the preprocessor out) just copies the ...