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Why does datetime.datetime.utcnow() not contain timezone information?
Why does this datetime not have any timezone info given that it is explicitly a UTC datetime ?
9 Answers
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Using Java 8's Optional with Stream::flatMap
...hat it's somewhat inconvenient to turn an Optional<T> into a zero-or-one length Stream<T>. You could do this:
Optional<Other> result =
things.stream()
.map(this::resolve)
.flatMap(o -> o.isPresent() ? Stream.of(o.get()) : Stream.empty())
.findFi...
Error “library not found for” after putting application in AdMob
...
good one, after pod install, one of the library was not listed there. I don't know why but adding that library path makes it work.
– Warewolf
Apr 2 '18 at 11:02
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Callback functions in C++
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Note: Most of the answers cover function pointers which is one possibility to achieve "callback" logic in C++, but as of today not the most favourable one I think.
What are callbacks(?) and why to use them(!)
A callback is a callable (see further down) accepted by a class or functi...
Add UIPickerView & a Button in Action sheet - How?
...ining a simple tableview.
There are many ways to accomplish this. Here's one way that I just implemented in a current project. It's nice because I can reuse it between 5 or 6 different screens where I all users to select from a list of options.
Create a new UITableViewController subclass, Simple...
CMake link to external library
...dd_library( mylib SHARED IMPORTED )
# You can define two import-locations: one for debug and one for release.
set_target_properties( mylib PROPERTIES IMPORTED_LOCATION ${CMAKE_BINARY_DIR}/res/mylib.so )
And then link as if this library was built by your project:
TARGET_LINK_LIBRARIES(GLBall mylib...
Why are C character literals ints instead of chars?
..., because a char variable is not an int, so making a character constant be one is a special case. And it's easy to use a character value without promoting it: c1 = c2;. OTOH, c1 = 'x' is a downward conversion. Most importantly, sizeof(char) != sizeof('x'), which is serious language botch. As for mul...
How do I get an apk file from an Android device?
... you find that many of the APKs are named "base.apk" you can also use this one line command to pull all the APKs off a phone you can access while renaming any "base.apk" names to the package name. This also fixes the directory not found issue for APK paths with seemingly random characters after the...
HTML+CSS: How to force div contents to stay in one line?
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Everybody jumped on this one!!! I too made a fiddle:
http://jsfiddle.net/audetwebdesign/kh4aR/
RobAgar gets a point for pointing out white-space:nowrap first.
Couple of things here, you need overflow: hidden if you don't want to see the extra cha...
Change Name of Import in Java, or import two classes with the same name
...t two classes with the same name and use both of them unqualified.
Import one class and use the fully qualified name for the other one, i.e.
import com.text.Formatter;
private Formatter textFormatter;
private com.json.Formatter jsonFormatter;
...