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Is there a way to navigate to real implementation of method behind an interface?
...rent interfaces uses the same method names.
With VS2015 Update 1 there is now a new shortcut called "Go To Implementation".
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Easy interview question got harder: given numbers 1..100, find the missing number(s) given exactly k
.... + ak2 = b2
...
a1k + a2k + ... + akk = bk
Using Newton's identities, knowing bi allows to compute
c1 = a1 + a2 + ... ak
c2 = a1a2 + a1a3 + ... + ak-1ak
...
ck = a1a2 ... ak
If you expand the polynomial (x-a1)...(x-ak) the coefficients will be exactly c1, ..., ck - see Viète's formulas. Si...
Performance surprise with “as” and nullable types
...a few machine code instructions. The cast is also easy, the JIT compiler knows the location of the value bits in the object and uses them directly. No copying or conversion occurs, all machine code is inline and takes but about a dozen instructions. This needed to be really efficient back in .NET...
When to use “new” and when not to, in C++? [duplicate]
...Some examples of this are:
void foo()
{
Point p = Point(0,0);
} // p is now destroyed.
for (...)
{
Point p = Point(0,0);
} // p is destroyed after each loop
Some people will say that the use of new decides whether your object is on the heap or the stack, but that is only true of variables de...
Why does git-rebase give me merge conflicts when all I'm doing is squashing commits?
...nough to throw out an answer. Maybe will have to edit it, but I believe I know what your problem is.
Your toy repo test case has a merge in it - worse, it has a merge with conflicts. And you're rebasing across the merge. Without -p (which doesn't totally work with -i), the merges are ignored. This ...
How can I explode and trim whitespace?
...the whole time... this + implode saved my freaking life..I can go eat food now.
– jenki221
May 29 '15 at 20:30
4
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apc vs eaccelerator vs xcache
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Success. It's 3 years old now. Ewwww.
– Swader
Nov 30 '13 at 13:19
3
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Using two values for one switch case statement
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oh ok. That was easy. Didn't know I could do that
– Ankush
May 23 '13 at 6:14
18
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How can I check for NaN values?
...still in common use - and math.isnan was not part of the standard library. Now days I'm really hoping that's not the case in many places!
– mavnn
Mar 30 '15 at 7:30
4
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Hosting Git Repository in Windows
... is but looks like /usr/bin is a link to whats in /bin which windows wont know about... Also kinda obvious, but remember to create the folder /git in c:/cygwin/
– armyofda12mnkeys
Jan 10 '13 at 12:50
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