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How to use filter, map, and reduce in Python 3
filter , map , and reduce work perfectly in Python 2. Here is an example:
7 Answers
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How to upper case every first letter of word in a string? [duplicate]
I have a string: "hello good old world" and i want to upper case every first letter of every word, not the whole string with .toUpperCase(). Is there an existing java helper which does the job?
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How do I debug error ECONNRESET in Node.js?
I'm running an Express.js application using Socket.io for a chat webapp
and I get the following error randomly around 5 times during 24h.
The node process is wrapped in forever and it restarts itself immediately.
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How do I force a UITextView to scroll to the top every time I change the text?
OK, I'm having some problem with the UITextView . Here's the issue:
37 Answers
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Error: Tablespace for table xxx exists. Please DISCARD the tablespace before IMPORT
I am fairly new to MySQL and I am getting a pretty interesting error on which I cannot find any help via google and the stackoverflow search.
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Where do alpha testers download Google Play Android apps?
I have developed my app and have published it through Google Play for alpha testing. As one of the testers I get an opt-in link, where I signed in as a tester. After that I was hoping to download the app directly with my phone by going to the Play Store on my phone. But as it seems to turn out, I ha...
Is there a performance difference between a for loop and a for-each loop?
What, if any, is the performance difference between the following two loops?
16 Answers
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How to “set a breakpoint in malloc_error_break to debug”
I'm getting lots of console outputs like this without my application crashing:
5 Answers
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rails - Devise - Handling - devise_error_messages
in my user edit page, there is a line as follows:
21 Answers
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Why do I need to explicitly push a new branch?
I am new in git and I am practicing. I created a local branch but I saw that when I did git push my branch was not uploaded to the repository. I had to actually do: git push -u origin --all .
Why is this? Isn't a branch a new change to be pushed by default? Why do I need to run the second com...