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git - Server host key not cached
...ge is referring to. In my case when I cloned I had used a FQDN, but on my new machine I had only logged in using the short local domain name. I had to login via putty or plink as the FQDN to cache the key for the host name on the origin. It can help to cross check the hostname being used as the r...
How to design a database for User Defined Fields?
...ruly dynamic custom fields is to store them in a blob of XML, so I can add new fields at any time. But to make it speedy, also create additional tables for each field you need to search or sort on (you don't a table per field--just a table per searchable field). This is sometimes called an inverte...
How do I insert a linebreak where the cursor is without entering into insert mode in Vim?
...roperly. If not, then use sEnterTabEsc instead to replace the space with a newline, indent the line, and exit insert mode. You would have to replace the second space with a different command so you couldn't use '.' in this case.
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How to increase the vertical split window size in Vim
...split the Vim viewport vertically. :30vs splits the viewport, making the new window 30 characters wide. Once this 30 char window is created, how would one change it's size to 31 or 29?
...
How can I monitor the thread count of a process on linux?
...
try
ps huH p <PID_OF_U_PROCESS> | wc -l
or htop
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What's an object file in C?
...unction () {
StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f7718299%2fwhats-an-object-file-in-c%23new-answer', 'question_page');
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Entity Framework and Connection Pooling
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According to Daniel Simmons:
Create a new ObjectContext instance in
a Using statement for each service
method so that it is disposed of
before the method returns.
This step is critical for scalability of your service. It makes sure that database connectio...
What does “dereferencing” a pointer mean?
...p allocation library
In C++, memory allocation is normally done with the new operator, and deallocation with delete:
int* p = new int(10); // Memory for one int with initial value 10
delete p;
p = new int[10]; // Memory for ten ints with unspecified initial value
delete[] p;
p = new int[10...
Python date string to date object
...ocal/lib/python2.7/re.py", line 251, in _compile
raise error, v # invalid expression
sre_constants.error: redefinition of group name 'H' as group 7; was group 4
and you tried:
<-24T13:00:00-08:00", "%Y-%B-%dT%HH:%MM:%SS-%HH:%MM").date()
but you still get the traceback above.
Answer:
&...
What's the fundamental difference between MFC and ATL?
...hrown in.
The long answer:
MFC was built in the early 90s to try out this new language called C++ and apply it to Windows. It made Office like features available to the development community when the OS didn't have them yet.
[Edit embellishment: I did not work at Microsoft, so I don't know if Of...