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In Git, how can I write the current commit hash to a file in the same commit
...self gets its version numbers - the build process grabs the version number out of the repo, then builds it into the executable.
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How to combine two strings together in PHP?
... in double quoted strings are interpolated (i.e. their values are "swapped out" for the variable). This means you can place the variables in place of the strings and just put a space in between them. The curly braces make it clear where the variables are.
$result = "{$data1} {$data2}";
Note: this ...
Using Emacs as an IDE
...t while I am working. Now I know there are some pretty expert Emacs users out there, and I am curious what other Emacs functionally is useful if the intention is to use it as a complete IDE. Specifically, most IDEs usually fulfill these functions is some form or another:
...
What is the garbage collector in Java?
I am new to Java and confused about the garbage collector in Java. What does it actually do and when does it comes into action. Please describe some of the properties of the garbage collector in Java.
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Android View.getDrawingCache returns null, only null
...v.setDrawingCacheEnabled(true);
// this is the important code :)
// Without it the view will have a dimension of 0,0 and the bitmap will be null
v.measure(MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED),
MeasureSpec.makeMeasureSpec(0, MeasureSpec.UNSPECIFIED));
v.la...
How to clone all remote branches in Git?
...you just want to take a quick peek at an upstream branch, you can check it out directly:
$ git checkout origin/experimental
But if you want to work on that branch, you'll need to create a local tracking branch which is done automatically by:
$ git checkout experimental
and you will see
Branch expe...
Tool for adding license headers to source files? [closed]
...some source files, some of which already have the header. Is there a tool out there that will insert a header, if it is not already present?
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Git diff to show only lines that have been modified
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I don't think git provides any way to avoid outputting those lines, because the diff would not make sense without them (you couldn't know which file you were looking at, nor where you were in the file).
– Chris Hayes
Sep 15 '13 at...
What are the big improvements between guava and apache equivalent libraries?
...ons)
null-checks
enum-singleton pattern
serialization proxies
well thought-out naming conventions
I could go on for hours explaining the advantages brought by these design choices (tell me if you want me to). The thing is, these patterns are not only "for the show", they have a real value: the API...
Explanation of strong and weak storage in iOS5
...object will be deallocated, and all remaining weak pointers will be zeroed out.
Perhaps an example is in order.
Imagine our object is a dog, and that the dog wants to run away (be deallocated).
Strong pointers are like a leash on the dog. As long as you have the leash attached to the dog, the dog...