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Can I serve multiple clients using just Flask app.run() as standalone?
...app.run(threaded=True)
to handle multiple clients using threads in a way compatible with old Flask versions, or
if __name__ == '__main__':
app.run(threaded=False, processes=3)
to tell Werkzeug to spawn three processes to handle incoming requests, or just
if __name__ == '__main__':
app....
git push to specific branch
..., I am still having difficulty figuring out how I should write my git push command. As mentioned in the question link, it's not clear from the documentation.
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What exactly does stringstream do?
...arn C++ since yesterday and I am using this document: http://www.cplusplus.com/files/tutorial.pdf (page 32) . I found a code in the document and I ran it. I tried inputting Rs 5.5 for price and an integer for quantity and the output was 0.
I tried inputting 5.5 and 6 and the output was correct.
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Track a new remote branch created on GitHub
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git fetch
git branch --track branch-name origin/branch-name
First command makes sure you have remote branch in local repository. Second command creates local branch which tracks remote branch. It assumes that your remote name is origin and branch name is branch-name.
--track option is enab...
How can I tell if one commit is a descendant of another commit?
With Git, how can I tell if one commit in my branch is a descendant of another commit?
8 Answers
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Chrome browser reload options new feature
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Regular expression to match URLs in Java
...%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]>"; // matches <http://google.com>
String regex = "<^(https?|ftp|file)://[-a-zA-Z0-9+&@#/%?=~_|!:,.;]*[-a-zA-Z0-9+&@#/%=~_|]>"; // does not match <http://google.com>
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ALTER TABLE, set null in not null column, PostgreSQL 9.1
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R data formats: RData, Rda, Rds etc
...iciently.
So, answering your questions:
The difference is not about the compression, but serialization (See this page)
Like shown in the manual page, you may wanna use it to restore a certain object with a different name, for instance.
You may readRDS() and save(), or load() and saveRDS() selecti...