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Unix shell script find out which directory the script file resides?
...ed to use readlink as well (see al's answer below)
– AndrewR
Mar 17 '10 at 23:26
45
In bash it is...
ImportError: No module named requests
...requests (or pip3 install requests for python3) if you have pip installed and Pip.exe added to the Path Environment Variable. If pip is installed but not in your path you can use python -m pip install requests (or python3 -m pip install requests for python3)
Alternatively from a cmd prompt, use &g...
How to recover a dropped stash in Git?
I frequently use git stash and git stash pop to save and restore changes in my working tree. Yesterday I had some changes in my working tree that I had stashed and popped, and then I made more changes to my working tree. I'd like to go back and review yesterday's stashed changes, but git stash ...
MySQL Multiple Joins in one query?
...want to do a LEFT OUTER JOIN which will return all your dashboard messages and an image_filename only if one exists (otherwise you'll get a null)
SELECT dashboard_data.headline, dashboard_data.message, dashboard_messages.image_id, images.filename
FROM dashboard_data
INNER JOIN dashboard_messag...
Modify request parameter with servlet filter
...berate, since the class represents the request as it came from the client, and modifying the parameter would not represent that.
One solution is to use the HttpServletRequestWrapper class, which allows you to wrap one request with another. You can subclass that, and override the getParameter method...
HashSet vs LinkedHashSet
...), 11), .75f, true); // <-- boolean dummy argument
addAll(c);
}
And (one example of) a HashSet constructor that takes a boolean argument is described, and looks like this:
/**
* Constructs a new, empty linked hash set. (This package private
* constructor is only used by LinkedHashSet....
What is the best way to unit test Objective-C code?
...XCTest, which is similar to OCUnit, an Objective-C unit testing framework, and has full support for running XCTest-based unit tests as part of your project's build process. Xcode's unit testing support is described in the Xcode Overview: Using Unit Tests.
Back in the Xcode 2 days, I wrote a series...
How to redirect to a dynamic login URL in ASP.NET MVC
...u're going to piggyback on the built-in ASP.NET FormsAuthentication class (and there's no good reason you shouldn't), something at the end of the day is going to call FormsAuthentication.RedirectToLoginPage() which is going to look at the one configured URL. There's only one login URL, ever, and tha...
GCC -fPIC option
...bout GCC's Options for Code Generation Conventions , but could not understand what "Generate position-independent code (PIC)" does. Please give an example to explain me what does it mean.
...
How to move screen without moving cursor in Vim?
I recently discovered Ctrl + E and Ctrl + Y shortcuts for Vim that respectively move the screen up and down with a one line step, without moving the cursor .
...