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Build the full path filename in Python
I need to pass a file path name to a module. How do I build the file path from a directory name, base filename, and a file format string?
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Opening Android Settings programmatically
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I used the code from the most upvoted answer:
startActivityForResult(new Intent(android.provider.Settings.ACTION_SETTINGS), 0);
It opens the device settings in the same window, thus got the users of my android application (finnmglas/Launche...
difference between each.with_index and each_with_index in Ruby?
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to allow wider usage with various enumerators.
to allow index to start from a number other than 0.
Today, using with_index would be better from the point of view of generality and readability, but from the point of view of speeding up the code, each_with_index runs slightly faster than each.wi...
What is the theoretical maximum number of open TCP connections that a modern Linux box can have
Assuming infinite performance from hardware, can a Linux box support >65536 open TCP connections?
3 Answers
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Pretty-print an entire Pandas Series / DataFrame
...ny columns do you have? I've checked with 1300 columns and it work fine: from itertools import combinations from string import ascii_letters df = pd.DataFrame(data=[[0]*1326], index=[0], columns=[(a+b) for a,b in combinations(ascii_letters, 2)])
– Andrey Shokhin
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How to create an empty file at the command line in Windows?
...EMptyFile.txt
copy /b NUL EmptyFile.txt
"How to create empty text file from a batch file?" (2008) also points to:
type NUL > EmptyFile.txt
# also
echo. 2>EmptyFile.txt
copy nul file.txt > nul # also in qid's answer below
REM. > empty.file
fsutil file createnew file.cmd 0 # to create...
What is Android keystore file, and what is it used for?
...lease updates so keep that cert safe and backed up if need be.
But apart from signing apks to release into the wild, you can use it to authenticate your device to a server over SSL if you so desire, (also Android related) among other functions.
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Eliminate extra separators below UITableView
...Load
{
[super viewDidLoad];
// This will remove extra separators from tableview
self.tableView.tableFooterView = [UIView new];
}
or if you prefer,
self.tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];
Historically in iOS:
Add to the table view controller...
How can I switch my git repository to a particular commit
...r part of it)
git checkout -b new_branch 6e559cb
or to go back 4 commits from HEAD
git checkout -b new_branch HEAD~4
Once your new branch is created (locally), you might want to replicate this change on a remote of the same name: How can I push my changes to a remote branch
For discarding t...
How Python web frameworks, WSGI and CGI fit together
... also provides you a function that will formulate the response, saving you from a lot of formatting details.
What do I need to know / install / do if I want to run a web framework (say web.py or cherrypy) on my basic CGI configuration?
Recall that forking a subprocess is expensive. There are two ...