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Writing string to a file on a new line every time
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You can use:
file.write(your_string + '\n')
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Continuously read from STDOUT of external process in Ruby
I want to run blender from the command line through a ruby script, which will then process the output given by blender line by line to update a progress bar in a GUI. It's not really important that blender is the external process whose stdout I need to read.
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Testing Abstract Classes
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If a DOM Element is removed, are its listeners also removed from memory?
...ts without removing data and events, use .detach()
instead.
Reference: http://api.jquery.com/remove/
jQuery v1.8.2 .remove() source code:
remove: function( selector, keepData ) {
var elem,
i = 0;
for ( ; (elem = this[i]) != null; i++ ) {
if ( !selector || jQuery.filter...
Python None comparison: should I use “is” or ==?
My editor warns me when I compare my_var == None , but no warning when I use my_var is None .
3 Answers
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How to write multiple line string using Bash with variables?
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Some built-in to pad a list in python
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a += [''] * (N - len(a))
or if you don't want to change a in place
new_a = a + [''] * (N - len(a))
you can always create a subclass of list and call the method whatever you please
class MyList(list):
def ljust(self, n, fillvalue=''):
return self + [fillvalue] * (n - len(self))
a...
MySQL CONCAT returns NULL if any field contain NULL
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Specifying and saving a figure with exact size in pixels
...e screen DPI needs to be found first, which can be done here for instance: http://dpi.lv
I've added an additional argument resize_fact in the function which which you can export the image to 50% (0.5) of the original resolution, for instance.
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How to read a .xlsx file using the pandas Library in iPython?
...lrd workbook.
The string could be a URL. Valid URL schemes include http, ftp, s3,
and file. For file URLs, a host is expected. For instance, a local
file could be file://localhost/path/to/workbook.xlsx
sheetname : string, int, mixed list of strings/ints, or None, default ...