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Listing each branch and its last revision's date in Git
...the branch was first created?). If you change authordate to committerdate then you'll see the dates of the most recent commit in each branch. Like so: git for-each-ref --sort='-committerdate:iso8601' --format=' %(committerdate:iso8601)%09%(refname)' refs/heads
– Logan Besecke...
vim “modifiable” is off
... Does anyone knows how do I UNDO what I deleted in NERDTree? like 'dd' and then I tried to 'u' and nothing happens
– betoharres
Dec 12 '14 at 23:28
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Unable to resolve host “”; No address associated with hostname [closed]
...the emulator as well. In my case, it is caused by launching the emulator, then putting the computer to sleep or changing the network connection (going from work to home, etc), then attempting to use the same emulator again. Closing and re-launching the emulator resolves the problem in this case.
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Send POST request using NSURLSession
...}];
[postDataTask resume];
Hope this helps (I'm trying to sort a CSRF authenticity issue with the above - but it does send the params in the NSDictionary).
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Designing function f(f(n)) == -n
...n(except 32bits of int):
We must have f(0) = 0. (Proof: Suppose f(0) = x. Then f(x) = f(f(0)) = -0 = 0. Now, -x = f(f(x)) = f(0) = x, which means that x = 0.)
Further, for any x and y, suppose f(x) = y. We want f(y) = -x then. And f(f(y)) = -y => f(-x) = -y. To summarize: if f(x) = y, then f(-x...
Why are arrays covariant but generics are invariant?
...as he comments on WHY Arrays are covariant. If arrays were made invariant, then its fine. you would have type erasure with it. The main reason for type Erasure property is for backward compatibility correct?
– eagertoLearn
Sep 6 '13 at 21:57
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Tab Vs Space preferences in Vim
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If expandtab is set then (as too much php points out), softtabstop becomes redundant. The only reason you might set shiftwidth differently from tabstop would be to cater to an odd habit; for instance, you use four-space indents but you prefer ta...
How does autowiring work in Spring?
... in multiple places. If you explicitly define the scope to be "prototype", then multiple instances will exist, possibly lazy (depending on configuration)
– Bozho
Jan 22 '13 at 11:23
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How can I drop all the tables in a PostgreSQL database?
... from pg_tables
where schemaname = 'public'; -- or any other schema
And then run it.
Glorious COPY+PASTE will also work.
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What does status=canceled for a resource mean in Chrome Developer Tools?
...hat made loading the data unnecessary. (i.e. you started loading a iframe, then changed the src or overwrite the contents)
There are lots of requests going to the same server, and a network problem on earlier requests showed that subsequent requests weren't going to work (DNS lookup error, earlier (...