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Using arrays or std::vectors in C++, what's the performance gap?
...ator i;
};
int pointer_index (S & s) { return s.p[3]; }
// movq 32(%rdi), %rax
// movl 12(%rax), %eax
// ret
int vector_index (S & s) { return s.v[3]; }
// movq 8(%rdi), %rax
// movl 12(%rax), %eax
// ret
// Conclusion: Indexing a vector is the same damn thing as i...
How do I import .sql files into SQLite 3?
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edited Jan 12 '10 at 13:40
answered Jan 12 '10 at 13:14
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os.path.dirname(__file__) returns empty
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259
Because os.path.abspath = os.path.dirname + os.path.basename does not hold. we rather have
o...
Do I need all three constructors for an Android custom view?
...ack.MyView
style="@styles/MyCustomStyle"
...
/>
the 2nd constructor will also be called and default the style to MyCustomStyle before applying explicit XML attributes.
The third constructor is usually used when you want all of the Views in your application to have the same st...
What is Castle Windsor, and why should I care?
I'm a long-time Windows developer, having cut my teeth on win32 and early COM. I've been working with .NET since 2001, so I'm pretty fluent in C# and the CLR. I'd never heard of Castle Windsor until I started participating in Stack Overflow. I've read the Castle Windsor "Getting Started" guide, b...
How can I create a copy of an Oracle table without copying the data?
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426
Just use a where clause that won't select any rows:
create table xyz_new as select * from xyz ...
Redis command to get all available keys?
...ames in the database and the given pattern have limited length.
UPDATE (V2.8 or greater): SCAN is a superior alternative to KEYS, in the sense that it does not block the server nor does it consume significant resources. Prefer using it.
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UIButton: set image for selected-highlighted state
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231
I found the solution: need to add addition line
[button setImage:[UIImage imageNamed:@"presse...
Zoom to fit all markers in Mapbox or Leaflet
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268
var group = new L.featureGroup([marker1, marker2, marker3]);
map.fitBounds(group.getBounds())...
Xcode iOS 8 Keyboard types not supported
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207
I too had this problem after updating to the latest Xcode Beta. The settings on the simulator ...