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What does -1 mean in numpy reshape?
A numpy matrix can be reshaped into a vector using reshape function with parameter -1. But I don't know what -1 means here.
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What's the dSYM and how to use it? (iOS SDK)
...SYM files. I guess this is a debugging related file, but I don't know what it is, and how to use it.
2 Answers
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Allow user to set up an SSH tunnel, but nothing else
...I want to restrict this user as much as possible. (Authentication will be with public/private keypair).
10 Answers
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How to handle exceptions in a list comprehensions?
I have some a list comprehension in Python in which each iteration can throw an exception.
6 Answers
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How do I flush the cin buffer?
...follow
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edited Jan 15 '16 at 22:30
Arslan Ali
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How to combine paths in Java?
...er using java.nio.file.Path; Path.resolve can be used to combine one path with another, or with a string. The Paths helper class is useful too. For example:
Path path = Paths.get("foo", "bar", "baz.txt");
If you need to cater for pre-Java-7 environments, you can use java.io.File, like this:
File...
Shell Script: Execute a python program from within a shell script
I've tried googling the answer but with no luck.
9 Answers
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Dispelling the UIImage imageNamed: FUD
Edit Feb 2014: Note that this question dates from iOS 2.0! Image requirements and handling have moved on a lot since then. Retina makes images bigger and loading them slightly more complex. With the built in support for iPad and retina images, you should certainly use ImageNamed in your code .
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Is there a Public FTP server to test upload and download? [closed]
... For download testing they provide fixed size files, you can choose which fits best to your test.
You can connect with username of anonymous and any password (e.g. anonymous ).
You can upload files to upload folder. You can't create new folder here.
Your file is deleted immediately after successful...
Convert column classes in data.table
...ng data.table: How do I convert column classes? Here is a simple example: With data.frame I don't have a problem converting it, with data.table I just don't know how:
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