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Why do x86-64 systems have only a 48 bit virtual address space?
... 256 terabyte. That's a lot. You're not going to see a system which needs more than that any time soon.
So CPU manufacturers took a shortcut. They use an instruction set which allows a full 64-bit address space, but current CPUs just only use the lower 48 bits. The alternative was wasting transisto...
AngularJS: Injecting service into a HTTP interceptor (Circular dependency)
I'm trying to write a HTTP interceptor for my AngularJS app to handle authentication.
5 Answers
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Setting an int to Infinity in C++
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int a = std::numeric_limits<int>::max();
Which would be 2^31 - 1 (or 2 147 483 647) if int is 32 bits wide on your implementation.
If you really need infinity, use a floating point number type, like float or double. You can then get infinity with:
double a = std::numeric_limits<double&...
What is the difference between atomic / volatile / synchronized?
How do atomic / volatile / synchronized work internally?
7 Answers
7
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What is the proper way to test if a parameter is empty in a batch file?
I need to test if a variable is set or not. I've tried several techniques but they seem to fail whenever %1 is surrounded by quotes such as the case when %1 is "c:\some path with spaces" .
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How to get Core Data object from specific Object ID?
I can easily get an object's ID in Core Data using the following code:
3 Answers
3
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css3 transition animation on load?
...o place using CSS3 only:
@keyframes slideInFromLeft {
0% {
transform: translateX(-100%);
}
100% {
transform: translateX(0);
}
}
header {
/* This section calls the slideInFromLeft animation we defined above */
animation: 1s ease-out 0s 1 slideInFromLeft;
background: #3...
Use URI builder in Android or create URL with variables
I'm developing an Android app. I need to build a URI for my app to make an API request. Unless there's another way to put a variable in a URI, this is the easiest way I've found. I found that you need to use Uri.Builder , but I'm not quite sure how to. My url is:
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How do I create an immutable Class?
I am working on creating an immutable class.
I have marked all the properties as read-only.
6 Answers
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Credit card expiration dates - Inclusive or exclusive?
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It took me a couple of minutes to find a site that I could source for this.
The card is valid until the last day of the month indicated, after the last [sic]1
day of the next month; the card cannot be used to make a purchase if the
merchant attempts to obtain an authorization.
- S...