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Where is Vagrant saving changes to the VM?

I am just starting with Vagrant and I am having a little trouble understanding a few details. I have read through the docs but still am missing a basic concept. When I want to start a Vagrant box I run: ...
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What's the “Content-Length” field in HTTP header?

What does it mean? 9 Answers 9 ...
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Drop shadow for PNG image in CSS

... A little late to the party, but yes, it is totally possible to create "true" dynamic drop shadows around alpha masked PNGs, using a combination of dropshadow-filter (for Webkit), SVG (for Firefox) and DX filters for IE. .shadow...
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Validating parameters to a Bash script

I came up with a basic one to help automate the process of removing a number of folders as they become unneeded. 10 Answers...
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How to extract an assembly from the GAC?

There is a package I have to deal with which installs assemblies straight into the GAC (e.g. somewhere deep in %windows%/assembly). ...
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Protected methods in Objective-C

... You can neither declare a method protected or private. Objective-C's dynamic nature makes it impossible to implement access controls for methods. (You could do it by heavily modifying the compiler or runtime, at a severe speed penalt...
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Hibernate throws org.hibernate.AnnotationException: No identifier specified for entity: com..domain.

... You are missing a field annotated with @Id. Each @Entity needs an @Id - this is the primary key in the database. If you don't want your entity to be persisted in a separate table, but rather be a part of other entities, you can use @Embeddable instead of @En...
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Copy all files with a certain extension from all subdirectories

Under unix, I want to copy all files with a certain extension (all excel files) from all subdirectories to another directory. I have the following command: ...
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Cannot push to GitHub - keeps saying need merge

I'm new to GitHub . Today I met some issue when I was trying to push my code to GitHub. 31 Answers ...
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What's a monitor in Java?

What's a monitor referred to in concurrent programming in Java? 7 Answers 7 ...