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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...
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....
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 ...
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...
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.
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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...
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.
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