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How can I exclude some folders from my Eclipse project?
...re is a way to exclude some directories from being picked up by eclipse at all? The reason is that we have a huge "third-party" directory in our repository that cannot be present in the project for the pair-programming plugin we are using to be able to sync efficiently.
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recursively add file extension to all files
...rectories containing files with no file extension. I want to add .jpg to all the files contained within these directories. I've seen bash scripts for changing the file extension but not for just adding one. It also needs to be recursive, can someone help please?
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Suppress Scientific Notation in Numpy When Creating Array From Nested List
...-printing-in-numpy.html
For SciPy.org numpy documentation, which includes all function parameters (suppress isn't detailed in the above link), see here: https://docs.scipy.org/doc/numpy/reference/generated/numpy.set_printoptions.html
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Difference between rake db:migrate db:reset and db:schema:load
...drop, db:setup
db:migrate:reset does db:drop, db:create, db:migrate
Typically, you would use db:migrate after having made changes to the schema via new migration files (this makes sense only if there is already data in the database). db:schema:load is used when you setup a new instance of your app...
How to have Emacs auto-refresh all buffers when files have changed on disk?
...an my emacs buffers (en masse). Is there any way to tell emacs to refresh all the buffers from disk in one fell swoop, instead of having to do each one individually by reloading the file?
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parseInt(null, 24) === 23… wait, what?
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@Ignacio. Actually, I was wrong. I didn't realize 37 was referring to a radix. Sorry about that.
– Mike Samuel
Jun 23 '11 at 20:15
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background:none vs background:transparent what is the difference?
...peat
background-attachment
background-position
That's mean, you can group all styles in one, like:
background: red url(../img.jpg) 0 0 no-repeat fixed;
This would be (in this example):
background-color: red;
background-image: url(../img.jpg);
background-repeat: no-repeat;
background-attachment: fi...
Why is the .bss segment required?
...Imagine that your C program runs on an embedded system, where the code and all constants are saved in true ROM (flash memory). In such systems, an initial "copy-down" must be executed to set all static storage duration objects, before main() is called. It will typically go like this pseudo:
for(i=0...
Why always ./configure; make; make install; as 3 separate steps?
...guration. Also ./configure checks for missing libraries that should be installed. Anything wrong here causes not to build your application. That's why distros have packages that are installed on different places, because every distro thinks it's better to install certain libraries and files to certa...
Initialization of all elements of an array to one default value in C++?
...[100] = {-1};
says "set the first element to -1 and the rest to 0" since all omitted elements are set to 0.
In C++, to set them all to -1, you can use something like std::fill_n (from <algorithm>):
std::fill_n(array, 100, -1);
In portable C, you have to roll your own loop. There are comp...