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Changing one character in a string
...t;assign->free" more efficent than s[6]='W'? Hmm... Why other languages allow it, in spite of that "lot" of reasons? Interesting how a strange design can be defended (for love I suppose). Why not suggest adding a function MID(strVar,index,newChar) to Python core that direct accesses the char memo...
Transport endpoint is not connected
FUSE is constantly (every 2 - 3 days) giving me this Transport endpoint is not connected error on my mount point and the only thing that seems to fix it is rebooting.
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How to make a class conform to a protocol in Swift?
...aSource'
Is expected. You will get the error until your class implements all required methods of the protocol.
So get coding :)
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Range references instead values
...{
field string
}
func main() {
var array [10]MyType
for idx, _ := range array {
array[idx].field = "foo"
}
for _, e := range array {
fmt.Println(e.field)
fmt.Println("--")
}
}
...
What does “default” mean after a class' function declaration?
...pecify that you don't want the compiler to generate that function automatically.
With the introduction of move constructors and move assignment operators, the rules for when automatic versions of constructors, destructors and assignment operators are generated has become quite complex. Using = defa...
Django: accessing session variables from within a template?
...ple are still finding it helpful, more than three years after it was originally written. Please note however, that although the view code above is still valid, nowadays there is a much simpler way of doing this. render() is a function very similar to render_to_response(), but it uses RequestContext ...
difference between primary key and unique key
...d on multiple columns, e.g. Primary key (CustomerID, ProductID). This is called composite primary key. This is to clarify the first point, as it might be take as it is (read one key => one column ) by new comer to sql : )
– ken
Apr 10 '14 at 13:53
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PyPy — How can it possibly beat CPython?
... an object can save you the need to do multiple pointer dereferences to finally arrive at the method you want to call.
Q2. Which Python implementation was used to implement PyPy?
The PyPy interpreter is implemented in RPython which is a statically typed subset of Python (the language and not the ...
How do you disable browser Autocomplete on web form field / input tag?
...t it both on the form, AND on the input element itself. That way you cover all the nonstandardness of browsers.
– AviD
Dec 13 '10 at 12:11
85
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Does “display:none” prevent an image from loading?
...tab of your browser's developer tools.
Note that if the browser is on a small CPU computer, not having to render the image (and layout the page) will make the whole rendering operation faster but I doubt this is something that really makes sense today.
If you want to prevent the image from loading...