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~x + ~y == ~(x + y) is always false?
...d some y (mod 2n) such that
~(x+y) == ~x + ~y
By two's complement*, we know that,
-x == ~x + 1
<==> -1 == ~x + x
Noting this result, we have,
~(x+y) == ~x + ~y
<==> ~(x+y) + (x+y) == ~x + ~y + (x+y)
<==> ~(x+y) + (x+y) == (~x + x) + (~y + y)
<==> ~(x+y)...
What is function overloading and overriding in php?
...ue;
$a=doSomething();
Each variable is of a different type, yet you can know the type before execution (see the 4th one).
As a comparison, other languages use:
int a=1;
String s="1";
bool a=true;
something a=doSomething();
In the last example, you must forcefully set the variable's type (as an ...
Automatically create an Enum based on values in a database lookup table?
...
For those who don't know how to run the resulting executable on post-build: 1) Right click the project 2) Click on properties 3) Click on Build Events 4) On the "Post-build event command lines" text box type $(TargetPath)
– ...
Set Matplotlib colorbar size to match graph
...s, which produces the right height, but it introduces a different problem.
Now the width of the colorbar (as well as the space between colorbar and plot) changes with the width of the plot.
In other words, the aspect ratio of the colorbar is not fixed anymore.
To get both the right height and a giv...
What is the length of the access_token in Facebook OAuth2?
... +1 for the updated info. This should really be the accepted answer now.
– David Boike
Nov 14 '11 at 17:03
14
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How to dismiss notification after action has been clicked
... See design guidelines. Here's the complete(ish) code to implement.
Until now, having a 'Dismiss' button was less important, but now it's more in your face.
Building the Notification
int notificationId = new Random().nextInt(); // just use a counter in some util class...
PendingIntent dismissIn...
Does const mean thread-safe in C++11?
...ration --at least not in respect to data races--.
Does that mean const is now the equivalent of Java's synchronized?
No. Not at all...
Consider the following overly simplified class representing a rectangle:
class rect {
int width = 0, height = 0;
public:
/*...*/
void set_size( int ne...
How does the new automatic reference counting mechanism work?
Can someone briefly explain to me how ARC works? I know it's different from Garbage Collection, but I was just wondering exactly how it worked.
...
Unlink of file failed
...was not friendly to systems that cannot remove files that are open.
They now close the packs before doing so.
That fixes git-for-widows issue 500.
Looking at the test used to validate that new approach, a possible workaround (since Git 2.8 is not yet out) would be to raise artificially gc.autoP...
include antiforgerytoken in ajax post ASP.NET MVC
... calls and the Html.AntiForgeryToken() . Using that solution, the token is now being passed:
11 Answers
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