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What does the Subversion status symbol “~” mean?
...ioned as one kind of object (file, directory, link), but has been replaced by different kind of object.
So perhaps it was originally a single file, but you changed it to a directory, or something along those lines?
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Stop Excel from automatically converting certain text values to dates
...ext"
EDIT (according to other posts): because of the Excel 2007 bug noted by Jeffiekins one should use the solution proposed by Andrew: "=""2008-10-03"""
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AngularJS: Understanding design pattern
In the context of this post by Igor Minar, lead of AngularJS:
5 Answers
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Do you need to dispose of objects and set them to null?
...Objects never go out of scope in C# as they do in C++. They are dealt with by the Garbage Collector automatically when they are not used anymore. This is a more complicated approach than C++ where the scope of a variable is entirely deterministic. CLR garbage collector actively goes through all obje...
What is a CSRF token ? What is its importance and how does it work?
...;SomeAmount>. (Your account number is not needed, because it is implied by your login.)
You visit www.cute-cat-pictures.org, not knowing that it is a malicious site.
If the owner of that site knows the form of the above request (easy!) and correctly guesses you are logged into mybank.com (require...
Sort an Array by keys based on another Array?
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Just use array_merge or array_replace. Array_merge works by starting with the array you give it (in the proper order) and overwriting/adding the keys with data from your actual array:
$customer['address'] = '123 fake st';
$customer['name'] = 'Tim';
$customer['dob'] = '12/08/1986';...
__proto__ VS. prototype in JavaScript
...be a property of the actual object because its just a temporary thing used by the constructor function to outline what myobject.__proto__ should look like.
– Alex_Nabu
Jul 29 '15 at 3:38
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Remove duplicated rows using dplyr
...oach would be to group, and then only keep the first row:
df %>% group_by(x, y) %>% filter(row_number(z) == 1)
## Source: local data frame [3 x 3]
## Groups: x, y
##
## x y z
## 1 0 1 1
## 2 1 0 2
## 3 1 1 4
(In dplyr 0.2 you won't need the dummy z variable and will just be
able to writ...
If Python is interpreted, what are .pyc files?
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They contain byte code, which is what the Python interpreter compiles the source to. This code is then executed by Python's virtual machine.
Python's documentation explains the definition like this:
Python is an interpreted language...
Why is my program slow when looping over exactly 8192 elements?
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The difference is caused by the same super-alignment issue from the following related questions:
Why is transposing a matrix of 512x512 much slower than transposing a matrix of 513x513?
Matrix multiplication: Small difference in matrix size, large ...