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bool to int conversion
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int x = 4<5;
Completely portable. Standard conformant. bool to int conversion is implicit!
§4.7/4 from the C++ Standard says (Integral Conversion)
If the source type is bool, the value false is converted to zero and
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using facebook sdk in Android studio
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Create a libraries folder underneath your project's main directory.
For example, if your project is HelloWorldProject, you would create
a HelloWorldProject/libraries folder.
Now copy the entire facebook directory from the SDK
installation into the libraries folder you just created.
Delete the lib...
How can I efficiently download a large file using Go?
...vity):
import ("net/http"; "io"; "os")
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out, err := os.Create("output.txt")
defer out.Close()
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resp, err := http.Get("http://example.com/")
defer resp.Body.Close()
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n, err := io.Copy(out, resp.Body)
The http.Response's Body is a Reader, so you can use any functions that take a Reader, to...
When should one use RxJava Observable and when simple Callback on Android?
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For simple networking stuff, the advantages of RxJava over Callback is very limited. The simple getUserPhoto example:
RxJava:
api.getUserPhoto(photoId)
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Action1<Photo>() {
@Override
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How can I make an “are you sure” prompt in a Windows batchfile?
...he setlocal and the endlocal should take care of that. %AREYOUSURE% won't exist anymore after the endlocal.
– user837703
Jun 12 '15 at 20:30
1
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sqlalchemy: how to join several tables by one query?
...ted Apr 8 at 9:57
Ryabchenko Alexander
3,22711 gold badge1919 silver badges4545 bronze badges
answered May 18 '11 at 13:04
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size_t vs. uintptr_t
... C standard guarantees that size_t is a type that can hold any array index. This means that, logically, size_t should be able to hold any pointer type. I've read on some sites that I found on the Googles that this is legal and/or should always work:
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Why is the use of tuples in C++ not more common?
... fill a hole. The payoff isn't obvious. How often do you need to rotate exactly N objects? (As opposed to needing to rotate arbitrarily long vectors). And people are used to either passing return values in by reference, or returning small classes or structs.
– Alan De Smet
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Difference between android-support-v7-appcompat and android-support-v4
...es) which makes a newly added feature to work with the older devices.
For example, Material Design was introduced in API 21 (Android 5.0 - Lolipop) but
the v7-support library makes it available for API 7 (Android 2.1.x -Eclair) and higher.
What are different support libraries?
Some of the main suppo...
querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
I would like to know what exactly is the difference between querySelector and querySelectorAll against getElementsByClassName and getElementById ?
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