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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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10 Answers
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Active
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Convert Array to Object
... It will return the target object.
Object.assign({}, ['a','b','c']); // {0:"a", 1:"b", 2:"c"}
The own length property of the array is not copied because it isn't enumerable.
Also, you can use ES6 spread syntax to achieve the same result:
{ ...['a', 'b', 'c'] }
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C++ new int[0] — will it allocate memory?
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answered Jul 6 '09 at 13:46
Faisal ValiFaisal Vali
28.6k88 gold badges3939 silver badges4444 bronze badges
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Returning an array using C
...t (shouldn't) do this:
char *returnArray(char array []){
char returned [10];
//methods to pull values from array, interpret them, and then create new array
return &(returned[0]); //is this correct?
}
returned is created with automatic storage duration and references to it will become inva...
How to set a stroke-width:1 on only certain sides of SVG shapes?
...tangle.
rect { fill: none; stroke: black; }
.top { stroke-dasharray: 0,50,150 }
.left { stroke-dasharray: 150,50 }
.bottom { stroke-dasharray: 100,50 }
.right { stroke-dasharray: 50,50,100 }
<svg height="300">
<rect x="0.5" y="0.5" width="50" height="50" class="top"/>
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Getting a map() to return a list in Python 3.x
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802
Do this:
list(map(chr,[66,53,0,94]))
In Python 3+, many processes that iterate over iterable...
valueOf() vs. toString() in Javascript
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107
The reason why ("x="+x) gives "x=value" and not "x=tostring" is the following. When evaluating ...
How to inspect the return value of a function in GDB?
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return 42;
}
int main( int argc, char *v[] ) {
fun();
return 0;
}
You can debug it as such --
(gdb) r
Starting program: /usr/home/hark/a.out
Breakpoint 1, fun () at test.c:2
2 return 42;
(gdb) finish
Run till exit from #0 fun () at test.c:2
main () at test.c:7
7 ...
How to shift a column in Pandas DataFrame
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In [18]: a
Out[18]:
x1 x2
0 0 5
1 1 6
2 2 7
3 3 8
4 4 9
In [19]: a.x2 = a.x2.shift(1)
In [20]: a
Out[20]:
x1 x2
0 0 NaN
1 1 5
2 2 6
3 3 7
4 4 8
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How to list npm user-installed packages?
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1305
This works pretty well too: npm list -g --depth=0
npm: the Node package manager command line ...