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append new row to old csv file python
...t declare it as newline=''.
Now you can open the file in 'a'mode (without the b).
import csv
with open(r'names.csv', 'a', newline='') as csvfile:
fieldnames = ['This','aNew']
writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
writer.writerow({'This':'is', 'aNew':'Row'})
I...
The entitlements specified…profile. (0xE8008016). Error iOS 4.2
...certificate, device, provisioning) down to the letter, and I cannot figure out what is going wrong.
40 Answers
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How to comment and uncomment blocks of code in the Office VBA Editor
...and then you have easy access to highlight a block of code, and comment it out and uncomment with the click of a button!
See GauravSingh's answer if you want to assign keyboard shortcuts.
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Viewing full output of PS command
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It is likely that you're using a pager such as less or most since the output of ps aux is longer than a screenful. If so, the following options will cause (or force) long lines to wrap instead of being truncated.
ps aux | less -+S
ps aux | most -w
If you use either of the following commands...
How to inherit constructors?
... another constructor in the same class.
If the compiler made assumptions about inheriting constructors, we wouldn't be able to properly determine how our objects were instantiated. In the most part, you should consider why you have so many constructors and consider reducing them to only one or two i...
Get names of all files from a folder with Ruby
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@squixy Did you write it out correctly?: Dir.entries("your/folder").select {|f| File.file? f}
– Automatico
Apr 7 '14 at 13:57
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INSERT statement conflicted with the FOREIGN KEY constraint - SQL Server
...e same as sending 'catdog'.
What I did to troubleshoot this was to script out the FK code from the table I was inserting data into, take note of the "Foreign Key" that had the constraints (in my case there were 2) and make sure those 2 fields values matched EXACTLY as they were in the table that wa...
Who is listening on a given TCP port on Mac OS X?
...ux, I can use netstat -pntl | grep $PORT or fuser -n tcp $PORT to find out which process (PID) is listening on the specified TCP port. How do I get the same information on Mac OS X?
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How to merge two sorted arrays into a sorted array? [closed]
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To the person who said this caused an index out of bounds exception what inputs are you using? It works in all cases for me.
– Mike Saull
Mar 25 '13 at 4:35
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“Bitmap too large to be uploaded into a texture”
... textures (2048x2048). The image I need to load is a pinch-zoom image of about 4,000 pixels high.
17 Answers
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