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Aren't promises just callbacks?

I've been developing JavaScript for a few years and I don't understand the fuss about promises at all. 10 Answers ...
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ORA-00979 not a group by expression

...ults to a single value (like MIN, MAX or SUM). A simple example to understand why this happens: Imagine you have a database like this: FOO BAR 0 A 0 B and you run SELECT * FROM table GROUP BY foo. This means the database must return a single row as result with the first column 0 to fulfill t...
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Using Git how do I find changes between local and remote

... commits from your remote servers. So, if you have a branch called master and a remote called origin, after running git fetch, you should also have a branch called origin/master. You can then get the git log of all commits that master needs to be a superset of origin/master by doing git log master....
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Slowing speed of Viewpager controller in android

Is there any way to slow the scroll speed with the viewpager adaptor in android? 10 Answers ...
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How to Diff between local uncommitted changes and origin

Let's say I cloned a repository and started modifying files. I know that if I have local uncommitted changes, I can do a diff as follows git diff test.txt and it will show me the difference between the current local HEAD and the modified, uncommitted changes in the file. If I commit those changes ...
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Throwing cats out of windows

...y write a little DP (dynamic programming) for the general case of n floors and m cats. The main formula, a[n][m] = min(max(a[k - 1][m - 1], a[n - k][m]) + 1) : for each k in 1..n, should be self-explanatory: If first cat is thrown from k-th floor and dies, we now have k - 1 floors to check (all...
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Why can outer Java classes access inner class private members?

...member of the outer class, it makes sense that they have access to methods and attributes of the outer class -- including privates. share | improve this answer | follow ...
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How to list containers in Docker

There's a command to list images, docker images , but there doesn't seem to be a corresponding docker containers . 14 Ans...
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Add a dependency in Maven

How do I take a jar file that I have and add it to the dependency system in maven 2? I will be the maintainer of this dependency and my code needs this jar in the class path so that it will compile. ...
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OS X Framework Library not loaded: 'Image not found'

...ght now I just have a test framework created: TestMacFramework.framework and I'm trying to import it into a brand new OS X Application project. ...