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How can I add an empty directory to a Git repository?
...esign of the git index
(staging area) only permits files to
be listed, and nobody competent enough
to make the change to allow empty
directories has cared enough about
this situation to remedy it.
Directories are added automatically
when adding files inside them. That
is, director...
How does java do modulus calculations with negative numbers?
...modulus of negative numbers are in use - some languages use one definition and some the other.
If you want to get a negative number for negative inputs then you can use this:
int r = x % n;
if (r > 0 && x < 0)
{
r -= n;
}
Likewise if you were using a language that returns a neg...
How do I convert Long to byte[] and back in java
How do I convert a long to a byte[] and back in Java?
12 Answers
12
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Cannot read configuration file due to insufficient permissions
...s (Network Services, Local System, etc.), should have permission to access and read web.config file.
Update:
This updated answer is same as above, but a little longer and simpler and improved.
First of all: you don't have to change anything in your config file. It's OK. The problem is with window...
Is is possible to check if an object is already attached to a data context in Entity Framework?
...eing attached. Calling CreateEntityKey on the context makes sure it's nice and generic and will work even with composite keys with no further coding (because EF can already do that for us!).
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Scala how can I count the number of occurrences in a list
...
I had the same problem as Sharath Prabhal, and I got another (to me clearer) solution :
val s = Seq("apple", "oranges", "apple", "banana", "apple", "oranges", "oranges")
s.groupBy(l => l).map(t => (t._1, t._2.length))
With as result :
Map(banana -> 1, ora...
Difference between Ctrl+Shift+F and Ctrl+I in Eclipse
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If you press CTRL + I it will just format tabs/whitespaces in code and pressing CTRL + SHIFT + F format all code that is format tabs/whitespaces and also divide code lines in a way that it is visible without horizontal scroll.
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Where is the 'tests output pane'?
...
Go to the view tab at the top of your screen, and select output.
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Why does the lock object have to be static?
... a private static readonly object for locking in multi threading.
I understand that private reduces the entry points to the locking object by tightening the encapsulation and therefore access to the most essential.
...
CSS Selector for
...eir type? I have a disabled class I use on various disabled form elements, and I'm setting the background color for text boxes, but I don't want my checkboxes to get that color.
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