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How do you 'redo' changes after 'undo' with Emacs?
...ndo will undo the undo, resulting in a redo.
Longer version:
You can think of undo as operating on a stack of operations. If you perform some command (even a navigation command such as C-f) after a sequence of undo operations, all the undos are pushed on to the operation stack. So the next undo u...
How to create SBT project with IntelliJ Idea?
I just got started with Scala/LiftWeb/Sbt developing, and I'd like to import a Sbt project in IntelliJ Idea.
Actually, I managed to import my project in two different ways:
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Get a list of checked checkboxes in a div using jQuery
I want to get a list of names of checkboxes that are selected in a div with certain id. How would I do that using jQuery?
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Checking length of dictionary object [duplicate]
I'm trying to check the length here. Tried count. Is there something I'm missing?
4 Answers
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mysqldump data only
I am looking for the syntax for dumping all data in my mysql database. I don't want any table information.
8 Answers
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Which is preferred: Nullable.HasValue or Nullable != null?
I always used Nullable<>.HasValue because I liked the semantics. However, recently I was working on someone else's existing codebase where they used Nullable<> != null exclusively instead.
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Stylecop vs FXcop
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Stylecop is a style analysis tool that works at the source code level. It exists primarily to provide a single common style that managed projects can use to remain consistent within the larger world of managed software. It makes decisions regarding style primarily ...
Why does Eclipse Java Package Explorer show question mark on some classes?
In the Eclipse Helios Java Package Explorer, I see the Java class icons display a small question mark to the right of the 'J', something like [J?]. This icon is shown on each class within one package in my project, but I cannot find an explanation for this in the documentation.
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Shell script to delete directories older than n days
...Explanation:
find: the unix command for finding files / directories / links etc.
/path/to/base/dir: the directory to start your search in.
-type d: only find directories
-ctime +10: only consider the ones with modification time older than 10 days
-exec ... \;: for each such result found, do the fo...
how does array[100] = {0} set the entire array to 0?
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As for what sort of code the compiler might generate when you do this, take a look at this question: Strange assembly from array 0-initialization
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