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... E is defined (see stackoverflow), or as :Ex (see vim.wikia) (by @drug_user841417).
:b#: goes back to the "previously edited buffers". See vim.wikia
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Ctrl-O: jump back to the previous (older) location...
What is `git diff --patience` for?
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186
You can read a post from Bram Cohen, the author of the patience diff algorithm, but I found thi...
Sorting data based on second column of a file
...rding to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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Rails 3 execute custom sql query without a model
...
168
Maybe try this:
ActiveRecord::Base.establish_connection(...)
ActiveRecord::Base.connection.exec...
deleting rows in numpy array
...ve the following array x:
x = array([[1,2,3],
[4,5,6],
[7,8,9]])
To delete the first row, do this:
x = numpy.delete(x, (0), axis=0)
To delete the third column, do this:
x = numpy.delete(x,(2), axis=1)
So you could find the indices of the rows which have a 0 in them, put them...
onIabPurchaseFinished never called.
...
pix
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answered Feb 19 '13 at 21:53
bugzybugzy
...
When should TaskCompletionSource be used?
...se it when only an event based API is available (for example Windows Phone 8 sockets):
public Task<Args> SomeApiWrapper()
{
TaskCompletionSource<Args> tcs = new TaskCompletionSource<Args>();
var obj = new SomeApi();
// will get raised, when the work is done
obj....
what is the preferred way to mutate a React state?
...
HeapHeap
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6
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HTTP redirect: 301 (permanent) vs. 302 (temporary)
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583
Status 301 means that the resource (page) is moved permanently to a new location. The client/br...
MySQL Cannot drop index needed in a foreign key constraint
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8 Answers
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