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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but
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See the C FAQ, Question 1.32
Q: What is the difference between these initializations?
char a[] = "string literal";
char *p = "string literal";
My program crashes if I try to assign a new value to p[i].
A: A string literal (the formal t...
ALTER DATABASE failed because a lock could not be placed on database
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After you get the error, run
EXEC sp_who2
Look for the database in the list. It's possible that a connection was not terminated. If you find any connections to the database, run
KILL <SPID>
where <SPID> is the SPID for the sessions that...
Should I compile release builds with debug info as “full” or “pdb-only”?
...h full rather than pdb-only, you'll get the same benefits, except that the executable can be attached directly to a debugger. You'll need to determine if this is reasonable given your product & customers.
Be sure to save the PDB files somewhere so that you can reference them when a crash repor...
C++11 range based loop: get item by value or reference to const
...pose, but in the way it is written):
long long SafePop(std::vector<uint32_t>& v)
{
auto const& cv = v;
long long n = -1;
if (!cv.empty())
{
n = cv.back();
v.pop_back();
}
return n;
}
Here, the author has created a const reference to v to use f...
Does ruby have real multithreading?
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Olivier De Meulder
2,40233 gold badges2323 silver badges2929 bronze badges
answered Sep 11 '08 at 22:25
Jörg W MittagJörg W Mittag
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Installing PG gem on OS X - failure to build native extension
...sion 8.x installed.
So I run the following command:
ARCHFLAGS="-arch x86_64" gem install pg
and this worked for me, I hope this helps someone :)
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TransactionScope automatically escalating to MSDTC on some machines?
...know.
– Paul Zahra
Feb 26 '13 at 11:32
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How can I use a carriage return in a HTML tooltip?
... GregGreg
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71
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Change computer name for a TFS Workspace
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Where do I run this command? The normal command line (cmd.exe)? I tried it there and it said 'tf' is not recognized as an internal or external command, operable program or batch file.
– João Portela
Jun 20 '14 at 13:37
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Logical operators (“and”, “or”) in DOS batch
...for a command).
To start Notepad and close the CMD window:
start notepad.exe & exit
To set variables x, y, and z to values if the variable 'a' equals blah.
IF "%a%"=="blah" (set x=1) & (set y=2) & (set z=3)
Hope that helps!
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