大约有 48,000 项符合查询结果（耗时：0.0703秒） [XML]
How to get one value at a time from a generator function in Python?
...
answered Mar 10 '10 at 19:13
Ignacio Vazquez-AbramsIgnacio Vazquez-Abrams
668k127127 gold badges11911191 silver badges12501250 bronze badges
...
How to work with complex numbers in C?
...ard Library of Complex Numbers */
int main() {
double complex z1 = 1.0 + 3.0 * I;
double complex z2 = 1.0 - 4.0 * I;
printf("Working with complex numbers:\n\v");
printf("Starting values: Z1 = %.2f + %.2fi\tZ2 = %.2f %+.2fi\n", creal(z1), cimag(z1), creal(z2), cimag(z2));
dou...
What's the best way to set a single pixel in an HTML5 canvas?
...e
var d = id.data; // only do this once per page
d[0] = r;
d[1] = g;
d[2] = b;
d[3] = a;
myContext.putImageData( id, x, y );
Use fillRect() to draw a pixel (there should be no aliasing issues):
ctx.fillStyle = "rgba("+r+","+g+","+b+","+(a/255)+")";
ctx.fillRect...
Force R to stop plotting abbreviated axis labels - e.g. 1e+00 in ggplot2
In ggplot2 how can I stop axis labels being abbreviated - e.g. 1e+00, 1e+01 along the x axis once plotted? Ideally, I want to force R to display the actual values which in this case would be 1,10 .
...
pass **kwargs argument to another function with **kwargs
...t lists
– dinosaur
Sep 19 '15 at 17:05
8
An actual code example would make this answer considerab...
Replace specific characters within strings
...
410
With a regular expression and the function gsub():
group <- c("12357e", "12575e", "197e18", ...
How to display nodejs raw Buffer data as Hex string
...
208
This code will show the data buffer as a hex string:
buff.toString('hex');
...
input type=file show only button
...
answered Feb 11 '13 at 6:07
shibashiba
2,24311 gold badge1212 silver badges99 bronze badges
...
How to remove multiple indexes from a list at the same time? [duplicate]
...
240
You need to do this in a loop, there is no built-in operation to remove a number of indexes at o...
Remove first 4 characters of a string with PHP
... |
edited Nov 26 '10 at 15:23
answered Nov 26 '10 at 15:16
...