大约有 48,000 项符合查询结果（耗时：0.0484秒） [XML]
How do I print the type of a variable in Rust?
... used to be as simple as 32.90.eq(&32.90), but that treats both as f64 now and chugs along happily, so I don’t know.
share
|
improve this answer
|
follow
...
Stacked Tabs in Bootstrap 3
...the official Bootstrap documentation as to how you should be handling this now under JavaScript / Tabs. See also, this tutorial on how to use the Bootstrap 3 setup properly to do vertical tabs. tutsme-webdesign.info/bootstrap-3-toggable-tabs-and-pills
– Neil Monroe
...
IOException: read failed, socket might closed - Bluetooth on Android 4.3
...b/android-4.3_r2/core/java/android/bluetooth/BluetoothDevice.java#L1037).
Now, when I receive that exception, I instantiate a fallback BluetoothSocket, similar to the source code below. As you can see, invoking the hidden method createRfcommSocket via reflections. I have no clue why this method is ...
Curious null-coalescing operator custom implicit conversion behaviour
...ils here. We have a nullable optimizer that looks for situations where we know that a particular expression of nullable type cannot possibly be null. Consider the following naive analysis: we might first say that
result = Foo() ?? y;
is the same as
A? temp = Foo();
result = temp.HasValue ?
...
Importing variables from another file?
...iables from file1 without flooding file2's namespace, use:
import file1
#now use file1.x1, file2.x2, ... to access those variables
To import all variables from file1 to file2's namespace( not recommended):
from file1 import *
#now use x1, x2..
From the docs:
While it is valid to use from ...
What is the difference between location list and quickfix list in vim
...us to move through those lists without opening the associated windows and knowing the difference between those lists is key to using those commands efficiently.
Hands-on illustrated example:
Do :lvim foo % in foo.txt to create a location list for the window containing foo.txt.
Do :lne a few ti...
Building and running app via Gradle and Android Studio is slower than via Eclipse
...a problem, but author doesn't published it anywhere like maven or jCenter. Now you are either bring that library as sources into your project and build it everytime main project builds or compile it onetime and commit only @aar into your project repository. So it is really a source/binary dependency...
How to convert nanoseconds to seconds using the TimeUnit enum?
...
This answer is now wrong - convert() and the toFoo() methods all return longs now docs.oracle.com/javase/6/docs/api/java/util/concurrent/…
– Riking
Jul 30 '13 at 1:58
...
Which is preferred: Nullable.HasValue or Nullable != null?
... I've actually been meaning to update this answer on that fact for a while now, but I'm lazy and/or busy. This comment will have to do for now :)
– Perrin Larson
Jun 11 '15 at 20:15
...
When are you truly forced to use UUID as part of the design?
I don't really see the point of UUID . I know the probability of a collision is effectively nil , but effectively nil is not even close to impossible.
...