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How can I grep hidden files?
...e refer to the solution at the end of this post as a better alternative to what you're doing.
You can explicitly include hidden files (a directory is also a file).
grep -r search * .*
The * will match all files except hidden ones and .* will match only hidden files. However this will fail if the...
List vs tuple, when to use each? [duplicate]
...a strong culture of tuples being for heterogeneous collections, similar to what you'd use structs for in C, and lists being for homogeneous collections, similar to what you'd use arrays for. But I've never quite squared this with the mutability issue mentioned in the other answers. Mutability has ...
How to split a String by space
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What you have should work. If, however, the spaces provided are defaulting to... something else? You can use the whitespace regex:
str = "Hello I'm your String";
String[] splited = str.split("\\s+");
This will cause any nu...
Is there a unique Android device ID?
Do Android devices have a unique ID, and if so, what is a simple way to access it using Java?
52 Answers
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Rails migration for has_and_belongs_to_many join table
... answered Dec 7 '10 at 20:32
docwhatdocwhat
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Getting the last argument passed to a shell script
...the fact that for implicitly loops over the arguments if you don't tell it what to loop over, and the fact that for loop variables aren't scoped: they keep the last value they were set to.
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How can I detect if a selector returns null?
What is the best way to detect if a jQuery-selector returns an empty object.
If you do:
8 Answers
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Call a python function from jinja2
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Very helpful, and just what I was looking for. Jinja2 is part of a web framework, and as such is not totally independent of the back-end. I work in both Django and Flask with Python and this post, as well as the others here are relevant to me. Tryi...
How do I pull from a Git repository through an HTTP proxy?
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What finally worked was setting the http_proxy environment variable. I had set HTTP_PROXY correctly, but git apparently likes the lower-case version better.
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How do I check if an integer is even or odd? [closed]
...rs. The bitwise-and version is not. Yes, I realise two's complement is somewhat ubiquitous, so this is not really an issue.
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edited Oct 2 '08 at 15:21
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