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Ruby/Rails: converting a Date to a UNIX timestamp
...hat Date does not store the hours, minutes or seconds of the current time. Converting a Date to a Time will result in that day, midnight.
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How can I check file size in Python?
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import os
def convert_bytes(num):
"""
this function will convert bytes to MB.... GB... etc
"""
for x in ['bytes', 'KB', 'MB', 'GB', 'TB']:
if num < 1024.0:
return "%3.1f %s" % (num, x)
num /= ...
c# datatable to csv
...ardContent also handles few edge cases of values that contain ,. ", \t (it converts tab to space)
– Slai
Nov 28 '16 at 13:43
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Merge Images Side by Side(Horizontally)
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ImageMagick has command line tool named 'convert' to merge images horizontally, or for other purpose. i have tried this command and working perfectly on your case:
To join images horizontally:
convert +append *.png out.png
To stack images vertically:
convert -app...
How do I convert from stringstream to string in C++?
How do I convert from std::stringstream to std::string in C++?
4 Answers
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Chrome sendrequest error: TypeError: Converting circular structure to JSON
...r reference, something like:
var a = {};
a.b = a;
JSON.stringify cannot convert structures like this.
N.B.: This would be the case with DOM nodes, which have circular references, even if they are not attached to the DOM tree. Each node has an ownerDocument which refers to document in most cases....
Convert an image to grayscale in HTML/CSS
...ry ones too if you feel like it, apply that class to any image you want to convert to greyscale (works in Firefox >3.5, IE8).
edit: Here's a nice blog post which describes using the new CSS3 filter property in SalmanPK's answer in concert with the SVG approach described here. Using that approa...
cannot convert data (type interface {}) to type string: need type assertion
... is an interface type, []i is not interface type. As a result, in order to convert []i to its value type, we have to do it individually:
// var items []i
for _, item := range items {
value, ok := item.(T)
dosomethingWith(value)
}
Performance
As for performance, it can be slower than dire...
What is “2's Complement”?
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Awesome .Added extra parts of converting bits to negative integer.
– Suraj Jain
Aug 22 '16 at 22:35
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SQL - Rounding off to 2 decimal places
I need to convert minutes to hours, rounded off to 2 decimal places.I also need to display only up to 2 numbers after the decimal point. So if I have minutes as 650.Then hours should be 10.83
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