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Why would you use Expression rather than Func?
I understand lambdas and the Func and Action delegates. But expressions
stump me.
10 Answers
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javax.faces.application.ViewExpiredException: View could not be restored
... application with container-managed security. The problem is when I log in and open another page on which I logout, then I come back to first page and I click on any link etc or refresh page I get this exception. I guess it's normal (or maybe not:)) because I logged out and session is destroyed. Wha...
How stable is the git plugin for eclipse?
I was intending to have a play with git, and was wondering if anyone had used the git plugin for eclipse
12 Answers
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How to override and extend basic Django admin templates?
...ing-templates
Original answer from 2011:
I had the same issue about a year and a half ago and I found a nice template loader on djangosnippets.org that makes this easy. It allows you to extend a template in a specific app, giving you the ability to create your own admin/index.html that extends the a...
What is REST? Slightly confused [closed]
... this was Roy Thomas Fielding's dissertation (2000), "Architectural Styles and the Design of Network-based Software Architectures" (available online from the University of California, Irvine).
First read Ryan Tomayko's post How I explained REST to my wife; it's a great starting point. Then read Fie...
Should it be “Arrange-Assert-Act-Assert”?
... need to ensure. Such a test should always fail if the precondition fails, and this means that I don't need it embedded in all the other tests. This gives a better isolation of concerns, since one test case only verifies one thing.
There may be many preconditions that need to be satisfied for a giv...
What is the difference between “px”, “dip”, “dp” and “sp”?
What is the difference between Android units of measure?
33 Answers
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Why use pip over easy_install? [closed]
...ositories like Christoph Gohlke's Extension Packages for Windows. pip can handle wheels; easy_install cannot.
Virtual environments (which come built-in with 3.4, or can be added to 2.6+/3.1+ with virtualenv) have become a very important and prominent tool (and recommended in the official docs); they...
Check whether a path is valid in Python without creating a file at the path's target
I have a path (including directory and file name).
I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name.
The file-name has some unicode characters in it.
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How can I use pointers in Java?
...have pointers, but I heard that Java programs can be created with pointers and that this can be done by the few who are experts in java. Is it true?
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