大约有 40,000 项符合查询结果（耗时：0.0866秒） [XML]
How to use putExtra() and getExtra() for string data
...een.this, SecondScreen.class);
String strName = null;
i.putExtra("STRING_I_NEED", strName);
Then, to retrieve the value try something like:
String newString;
if (savedInstanceState == null) {
Bundle extras = getIntent().getExtras();
if(extras == null) {
newString= null;
} e...
unix - head AND tail of file
... 10; my @buf = (); while (<>) { print if $. <= $size; push(@buf, $_); if ( @buf > $size ) { shift(@buf); } } print "------\n"; print @buf;'
share
|
improve this answer
|
...
Calling startActivity() from outside of an Activity context
...our adapter, or
get it from your view.
Or as a last resort,
add - FLAG_ACTIVITY_NEW_TASK flag to your intent:
_
myIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
Edit - i would avoid setting flags as it will interfere with normal flow of event and history stack.
...
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
...
assert(!isLowerCase("Ü"))
assert(!isLowerCase("4"))
assert(!isLowerCase("_"))
To check one letter just call it using isLowerCase(str[charIndex])
share
|
improve this answer
|
...
What is the difference between self-types and trait subclasses?
...is extended, then you're required to mix-in an A.
When a concrete class finally extends/mixes-in these traits, some class/trait must implement A.
Consider the following examples:
scala> trait User { def name: String }
defined trait User
scala> trait Tweeter {
| user: User =>
...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...gt; adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, lst);
Cheers!
share
|
improve this answer
|
follow
|
...
Array initializing in Scala
...ction, you can write
val list = List(1,2,3,4,5)
val arr = Array[Int](list:_*)
println(arr.mkString)
But usually the toArray method is more handy:
val list = List(1,2,3,4,5)
val arr = list.toArray
println(arr.mkString)
s...
How to disable word-wrap in Xcode 4 editor?
...n I come to this answer, and I see I’ve already upvoted it in the past. -_-
– Leo Natan
May 9 '17 at 17:48
add a comment
|
...
BLE（四）嗅探工具 - 创客硬件开发 - 清泛IT社区，为创新赋能！
文章源自：https://www.gandalf.site/2018/11/ble_26.html
商业级的Ellisys BEX400侦听工具最为符合对BLE流量捕获及分析的要求，然而售价过于昂贵；
其次，作为开源硬件且配有混杂模式追踪的“超牙”设备——Ubertooth One拥有二次开发和嗅...
Store print_r result into a variable as a string or text
If I use print_ r or var_dump it displays the result on the screen, but I want this data to be stored in a variable so that I can write it to a file.
...