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What's the result of += in C and C++?
...part 3:
An assignment operator stores a value in the object designated by the left operand. An
assignment expression has the value of the left operand after the assignment, but is not an
lvalue.
In C++ 5.17.1:
The assignment operator (=) and the compound assignment operators all group ...
Set 4 Space Indent in Emacs in Text Mode
...in .emacs file:
(custom-set-variables
;; custom-set-variables was added by Custom.
;; If you edit it by hand, you could mess it up, so be careful.
;; Your init file should contain only one such instance.
;; If there is more than one, they won't work right.
'(tab-stop-list (quote (4 8 12 16...
Send and receive messages through NSNotificationCenter in Objective-C?
...ication"
// notifications using the receiveTestNotification: selector. By
// specifying object:nil, we tell the notification center that we are not
// interested in who posted the notification. If you provided an actual
// object rather than nil, the notification center will only not...
Why does this go into an infinite loop?
...r for purposes of illustration, since C# allows you to pass int parameters by reference with the ref keyword. I've decided to update it with actual legal Java code using the first MutableInt class I found on Google to sort of approximate what ref does in C#. I can't really tell if that helps or hurt...
Why do I need to explicitly push a new branch?
... -u origin --all .
Why is this? Isn't a branch a new change to be pushed by default? Why do I need to run the second command?
...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...f the commit itself will be different every time).
But the tree referenced by that commit will be 4b825dc642cb6eb9a060e54bf8d69288fbee4904, the empty tree SHA1.
git log --pretty=raw
commit 9ed4ff9ac204f20f826ddacc3f85ef7186d6cc14
tree 4b825dc642cb6eb9a060e54bf8d69288fbee4904 <====
author V...
Read/Write 'Extended' file properties (C#)
...lowing NuGet packages to your project:
Microsoft.WindowsAPICodePack-Shell by Microsoft
Microsoft.WindowsAPICodePack-Core by Microsoft
Read and Write Properties
using Microsoft.WindowsAPICodePack.Shell;
using Microsoft.WindowsAPICodePack.Shell.PropertySystem;
string filePath = @"C:\temp\example.do...
How big should a UIBarButtonItem image be?
I'm looking to create my own custom Sort By Date and Sort By Number buttons that I plan on placing in the navigation bar as the right button.
...
What is the difference between “def” and “val” to define a function
...> x
res1: Int = -1307706866
When x is initialized, the value returned by Random.nextInt is set as the final value of x. Next time x is used again, it will always return the same value.
You can also lazily initialize x. i.e. first time it is used it is initialized and not while declaration. For...
Find out who is locking a file on a network share
...n Windows that shows you what files on the local computer are open/locked by remote computer (which has the file open through a file share):
Select "Manage Computer" (Open "Computer Management")
click "Shared Folders"
choose "Open Files"
There you can even close the file forcefully.
...