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When to make a type non-movable in C++11?
...tomic types
once_flag
Apparently there is a discussion on Clang: https://groups.google.com/forum/?fromgroups=#!topic/comp.std.c++/pCO1Qqb3Xa4
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Why is auto_ptr being deprecated?
...ated, and which I think I will point out in next lines, they should not be grouped with smart-pointer. )
Single most important reason as to why auto_ptr was deprecated in favor of smart-pointer is
assignment-semantics If it wasn't for that reason, they would have added all the new goodies of ...
Why does X[Y] join of data.tables not allow a full outer join, or a left join?
... and Y columns enjoy standard R recycling rules within the context of each group. Let's say foo is in X, and bar is in Y (along with 20 other columns in Y). Isn't X[Y,sum(foo*bar)] quicker to program and quicker to run than a merge of everything wastefully followed by a subset?
If you want a lef...
How to create a self-signed certificate for a domain name for development?
... level of encryption IIS used. By default IIS uses 128-bit, you have to do group policy stuff to change this. Of further note to other readers: don't change the magic numbers after -eku, they're required.
– BrainSlugs83
Mar 15 '14 at 22:23
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Why can't I initialize non-const static member or static array in class?
... if it's defined in multiple translation units due to it being in a comdat group. const at file scope makes the compiler never emit a symbol because it's always substituted immediately in the code unless extern is used, which is not permitted in a class.
One thing to note is static inline int b; is...
How do CDI and EJB compare? interact?
...nation with EJB3 - e.g. adding scope support to EJBs.
Reza Rahman, expert group member and implementor of a CDI implementation called CanDI, has frequently hinted that the services associated with the EJB3 component model can be retrofitted as a set of CDI annotations. If that were to happen, all m...
Git - Difference Between 'assume-unchanged' and 'skip-worktree'
...e-unchanged is designed for cases where it is expensive to check whether a group of files have been modified; when you set the bit, git (of course) assumes the files corresponding to that portion of the index have not been modified in the working copy. So it avoids a mess of stat calls. This bit is ...
How to strip HTML tags from a string in SQL Server?
... I've used this and love it, but I did add one more replace to the top group: </p> I changed to a char 13 + char 10 also since the end of a paragraph tag would typically indicate a new line. It worked perfectly in my particular scenario
– D.R.
Jun 6 '...
java.sql.SQLException: - ORA-01000: maximum open cursors exceeded
...atistic# AND b.name = 'opened cursors current' AND p.name= 'open_cursors' GROUP BY p.value;
Below is the query to find the SID/connections list with open cursor values.
SELECT a.value, s.username, s.sid, s.serial#
FROM v$sesstat a, v$statname b, v$session s
WHERE a.statistic# = b.statistic# ...
How to modify a global variable within a function in bash?
...ost when the subshell ends.
Reference:
Command substitution, commands grouped with parentheses, and asynchronous commands are invoked in a subshell environment that is a duplicate of the shell environment
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