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Downloading a file from spring controllers
...
@RequestMapping(value = "/files/{file_name}", method = RequestMethod.GET)
public void getFile(
@PathVariable("file_name") String fileName,
HttpServletResponse response) {
try {
// get your file as InputStream
InputStream is = ...;
...
How can I test if a letter in a string is uppercase or lowercase using JavaScript?
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assert(!isLowerCase("Ü"))
assert(!isLowerCase("4"))
assert(!isLowerCase("_"))
To check one letter just call it using isLowerCase(str[charIndex])
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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...
iPhone : How to detect the end of slider drag?
...*)slider forEvent:(UIEvent*)event {
UITouch *touchEvent = [[event allTouches] anyObject];
switch (touchEvent.phase) {
case UITouchPhaseBegan:
// handle drag began
break;
case UITouchPhaseMoved:
// handle drag moved
bre...
What is the difference between vmalloc and kmalloc?
...allocate memory during the handling of a system call, should I specify GFP_ATOMIC ? Is a system call executed in an atomic context?
...
Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...gt; adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, lst);
Cheers!
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Remove array element based on object property
...he index of the specific element and then splice using it.
myArray.splice(_.findIndex(myArray, function(item) {
return item.value === 'money';
}), 1);
Update
You can also use ES6's findIndex()
The findIndex() method returns the index of the first element in the array that satisfies the p...
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
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How to check edittext's text is email address or not?
...A-Z]{2,4}$";
Pattern pattern = Pattern.compile(expression, Pattern.CASE_INSENSITIVE);
Matcher matcher = pattern.matcher(email);
return matcher.matches();
}
Pass your edit text string in this function .
for right email verification you need server side authentication
Note there is...
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...