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Does Qt support virtual pure slots?
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answered Jun 8 '10 at 14:43
ianmac45ianmac45
2,12822 gold badges1818 silver badges1313 bronze badges
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Python int to binary string?
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800
Python's string format method can take a format spec.
>>> "{0:b}".format(37)
'100101...
How to toggle a boolean?
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JordanJordan
28k66 gold badges5050 silver badges6363 bronze badges
9
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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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What is this: [Ljava.lang.Object;?
...list. Here are some examples:
// xxxxx varies
System.out.println(new int[0][0][7]); // [[[I@xxxxx
System.out.println(new String[4][2]); // [[Ljava.lang.String;@xxxxx
System.out.println(new boolean[256]); // [Z@xxxxx
The reason why the toString() method on arrays returns String in this format is ...
How to assign an exec result to a sql variable?
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100
I always use the return value to pass back error status. If you need to pass back one value I'...
Why does Go have a “goto” statement
...mple, in the math/gamma.go file, the goto statement is used:
for x < 0 {
if x > -1e-09 {
goto small
}
z = z / x
x = x + 1
}
for x < 2 {
if x < 1e-09 {
goto small
}
z = z / x
x = x + 1
}
if x == 2 {
return z
}
x = x - 2
p ...
Drawing an image from a data URL to a canvas
...t('2d');
var img = new Image;
img.onload = function(){
ctx.drawImage(img,0,0); // Or at whatever offset you like
};
img.src = strDataURI;
Edit: I previously suggested in this space that it might not be necessary to use the onload handler when a data URI is involved. Based on experimental tests f...
Django - limiting query results
I want to take the last 10 instances of a model and have this code:
5 Answers
5
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Linux delete file with size 0 [duplicate]
How do I delete a certain file in linux if its size is 0. I want to execute this in an crontab without any extra script.
8 ...