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Detect if Visual C++ Redistributable for Visual Studio 2012 is installed
...o real info from MS. I think you have the best answer I've spotted so far. Tested to install the vcredist on a relativley fresh VM and this is the only key I found afterwards. So thumb up from my side...
– anhoppe
Apr 16 '14 at 10:20
...
Hash collision in git
... ok, but when you push, someone clones, or you revert, you will lose the latest version (in line with what is explained above).
If a tree object already exists and you make a blob with the same hash: Everything will seem normal, until you either try to push or someone clones your repository. Then yo...
How do I properly clean up Excel interop objects?
...the process, but in 99.99% of all cases, user has such permissions. I also tested it with a guest account - it works perfectly.
So, your code, working with Excel, can look like this:
int hWnd = xl.Application.Hwnd;
// ...
// here we try to close Excel as usual, with xl.Quit(),
// Marshal.FinalRele...
Releasing memory in Python
...than the block that you free.
In 3.x range doesn't create a list, so the test above won't create 10 million int objects. Even if it did, the int type in 3.x is basically a 2.x long, which doesn't implement a freelist.
shar...
Use of 'prototype' vs. 'this' in JavaScript?
...
Really thorough and informative answer. I did some memory tests using the object structures above (A.prototype.hey vs object this.hey) and created 1000 instances of each. The memory footprint for the object property approach was around 100kb larger compared to prototype. I then adde...
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
... mat[j][i] = mat[i][j];
}
}
Slightly more complex, but a short test shows something quite interesting on my ancient e8400 with VS2010 x64 release, testcode for MATSIZE 8192
int main() {
LARGE_INTEGER start, end, freq;
QueryPerformanceFrequency(&freq);
QueryPerformanceCou...
What is Ember RunLoop and how does it work?
...ues listed above, Ember only makes reference to the queue in their RunLoop test cases. It seems that such a queue would have been used in the SproutCore days based on some of the descriptions from the above articles about timers being the last thing to fire. In Ember, the timers queue isn't used. In...
Using IQueryable with Linq
...
@Testing You're actually still not going to the DB. Until you actually enumerate the results (ie: use a foreach, or call ToList()), you don't actually hit the DB.
– Reed Copsey
Nov 1 '12...
“Keep Me Logged In” - the best approach
...break;
}
return substr(bin2hex($r), 0, $length);
}
}
Testing in Firefox & Chrome
Advantage
Better Security
Limited access for attacker
When cookie is stolen its only valid for single access
When next the original user access the site you can automatically detect a...
How to make a great R reproducible example
...he original ones. (eg op <- par(mfrow=c(1,2)) ...some code... par(op) )
test run your code in a new, empty R session to make sure the code is runnable. People should be able to just copy-paste your data and your code in the console and get exactly the same as you have.
Give extra information
I...