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Convert timedelta to total seconds
...
401
Use timedelta.total_seconds().
>>> import datetime
>>> datetime.timedelta(sec...
How do you represent a JSON array of strings?
...hy":null} ]
{
"not true": [0, false],
"true": true,
"not null": [0, 1, false, true, {
"obj": null
}, "a string"]
}
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How can I pretty-print JSON using node.js?
...le:
var fs = require('fs');
fs.writeFile('test.json', JSON.stringify({ a:1, b:2, c:3 }, null, 4));
/* test.json:
{
"a": 1,
"b": 2,
"c": 3,
}
*/
See the JSON.stringify() docs at MDN, Node fs docs
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How to convert a NumPy array to PIL image applying matplotlib colormap
...irst ensure your NumPy array, myarray, is normalised with the max value at 1.0.
Apply the colormap directly to myarray.
Rescale to the 0-255 range.
Convert to integers, using np.uint8().
Use Image.fromarray().
And you're done:
from PIL import Image
from matplotlib import cm
im = Image.fromarray(n...
How to break out or exit a method in Java?
... |
edited Jun 20 at 9:12
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111 silver badge
answered Oct 29 '11 at 4:41
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How to exit a function in bash
...
137
Use:
return [n]
From help return
return: return [n]
Return from a shell function.
Causes a ...
What is a “memory stomp”?
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118
Memory is "stomped" when a piece of code manipulates memory without realizing that another pie...
How to list all properties of a PowerShell object
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139
Try this:
Get-WmiObject -Class "Win32_computersystem" | Format-List *
Get-WmiObject -Class "W...
Sass .scss: Nesting and multiple classes?
...ements and -classes:
.element{
&:hover{ ... }
&:nth-child(1){ ... }
}
However, you can place the & at virtually any position you like*, so the following is possible too:
.container {
background:red;
#id &{
background:blue;
}
}
/* compiles to: */
.conta...
Increase number of axis ticks
...
195
You can override ggplots default scales by modifying scale_x_continuous and/or scale_y_continu...