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Android DialogFragment vs Dialog
...simple AlertDialog with Yes/No confirmation buttons. Not very much code at all.
With regards handling events in your fragment there would be various ways of doing it but I simply define a message Handler in my Fragment, pass it into the DialogFragment via its constructor and then pass messages back...
CSS: Truncate table cells, but fit as much as possible
... Thanks! Doesn't do exactly what the question said (truncate all columns evenly), but the behaviour of this code is what I was looking for.
– Sam
Nov 12 '15 at 5:55
3...
Argparse: Required argument 'y' if 'x' is present
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No, there isn't any option in argparse to make mutually inclusive sets of options.
The simplest way to deal with this would be:
if args.prox and (args.lport is None or args.rport is None):
parser.error("--prox requires --lport and --rport.")
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Singleton pattern in nodejs - is it needed?
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This has basically to do with nodejs caching. Plain and simple.
https://nodejs.org/api/modules.html#modules_caching
(v 6.3.1)
Caching
Modules are cached after the first time they are loaded. This means
(among other things) tha...
bundler vs RVM vs gems vs RubyGems vs gemsets vs system ruby [closed]
...encies. Rubygems is the name of the package manager - the tool used to install the packages (while the gems are the packages themselves). Rubygems is now part of Ruby.
Bundler is what makes managing gems bearable. Based on your Gemfile, a simple call to bundler using bundle install will download an...
Make virtualenv inherit specific packages from your global site-packages
...ch will contain just some libraries (which i chose) of the base python installation.
4 Answers
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.gitignore file, where should I put it in my xcode project?
...o have one single .gitignore file on the project root directory, and place all files that you want to ignore in it, like this:
ignoredFile.whatever
ignoredDirectory/*
directory/ignoredFileInsideDirectory
.svn
Once you create the .gitignore file, the ignore files that have changes or are new into ...
You have not concluded your merge (MERGE_HEAD exists)
I made a branch called 'f' and did a checkout to master. When I tried the git pull command I got this message:
13 Answers...
Set up a scheduled job?
...Django, and I'm curious if there is a way to schedule a job to run periodically.
24 Answers
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Counting null and non-null values in a single query
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If I understood correctly you want to count all NULL and all NOT NULL in a column...
If that is correct:
SELECT count(*) FROM us WHERE a IS NULL
UNION ALL
SELECT count(*) FROM us WHERE a IS NOT NULL
Edited to have the full query, after reading the comments :]
S...