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Sublime Text 2: How to delete blank/empty lines
Let's say I had a text file with the following nine lines:
19 Answers
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Application not picking up .css file (flask/python)
I am rendering a template, that I am attempting to style with an external style sheet. File structure is as follows.
10 Ans...
What is causing this ActiveRecord::ReadOnlyRecord error?
...2005):
Introduce read-only records. If you call object.readonly! then it will
mark the object as read-only and raise
ReadOnlyRecord if you call
object.save. object.readonly? reports
whether the object is read-only.
Passing :readonly => true to any
finder method will mark return...
Difference between Role and GrantedAuthority in Spring Security
There are concepts and implementations in Spring Security, such as the GrantedAuthority interface to get an authority to authorize/control an access.
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How to amend several commits in Git to change author
I have made a series of commits in Git and I realise now that I forgot to set my user name and user email properties correctly (new machine). I have not yet pushed these commits to my repository, so how can I correct these commits before I do so (only the 3 latest commits on the master branch)?
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JUnit test with dynamic number of tests
In our project I have several JUnit tests that e.g. take every file from a directory and run a test on it. If I implement a testEveryFileInDirectory method in the TestCase this shows up as only one test that may fail or succeed. But I am interested in the results on each individual file. How c...
Hamcrest compare collections
... want to assert that the two lists are identical, don't complicate things with Hamcrest:
assertEquals(expectedList, actual.getList());
If you really intend to perform an order-insensitive comparison, you can call the containsInAnyOrder varargs method and provide values directly:
assertThat(actua...
Difference between class and type
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A class is a type. An interface is a type. A primitive is a type. An array is a type.
Therefore, every type is also either a class (including an enum constant), an interface, a primitive, or an array.
There are two distinct categories of types: primitive types and referen...
Any tips on how to organize Eclipse environment on multiple monitors?
I can't find a good way of putting Eclipse windows on two monitors. Currently I just detached (clicked on a header and dragged) a few windows to a secondary monitor (package explorer, console, and outline) while leaving primary monitor with maximized source editing window.
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CentOS 64 bit bad ELF interpreter
I have just installed CentOS 6 64bit version, I'm trying to install a 32-bit application on a 64-bit machine and got this error:
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