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Android TextWatcher.afterTextChanged vs TextWatcher.onTextChanged
...nts are called in the following order:
beforeTextChanged(CharSequence s, int start, int count, int after).
This means that the characters are about to be replaced with some new text. The text is uneditable.
Use: when you need to take a look at the old text which is about to change.
onTextChanged(C...
How to initialise a string from NSData in Swift
...
Is it possible to convert NSData directly into a Swift String (instead of an NSString)?
– ma11hew28
Jun 29 '15 at 18:45
...
How to pick an image from gallery (SD Card) for my app?
...ter solution is to simply use context.getContentResolver().openInputStream(intent.getData()), as that will return an InputStream that you can handle as you choose.
For example, BitmapFactory.decodeStream() works perfectly in this situation, as you can also then use the Options and inSampleSize fie...
How do I iterate over a JSON structure? [duplicate]
...ject. That is why this works. However if anybody have a JSON object he can convert it to a JS object and then use your method. To convert a JSON object to JS object use jsObject = JSON.parse(jsonObject);
– prageeth
Oct 31 '14 at 4:48
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Android: I am unable to have ViewPager WRAP_CONTENT
...of the biggest child it currently has.
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int height = 0;
for(int i = 0; i < getChildCount(); i++) {
View child = getChildAt(i);
child.measure(widthMeasureSpec, MeasureSpec.makeMeasureSpec(0, ...
Is int[] a reference type or a value type?
I know an int is a value type, but what are arrays of value types? Reference types? Value types? I want to pass an array to a function to check something. Should I just pass the array, as it will just pass the reference of it, or should I pass it as ref?
...
汇编语言超浓缩教程（汇编入门必备） - C/C++ - 清泛网 - 专注C/C++及内核技术
...前面所提的寄存器外，还有一些特殊功能的寄存器：IP（Intruction Pointer）：指令指针寄存器，与CS配合使用，可跟踪程序的执行过程；SP（Stack Pointer）：堆栈指针，与SS配合使用，可指向目前的堆栈位置。BP（Base Pointer）：基址指...
Creating an array of objects in Java
...jects ("heap"). So the analogous C++ code would be A **a = new A*[4]; for (int i = 0; i < 4; ++i) { a[i] = new A(); }.
– Vsevolod Golovanov
Apr 3 '16 at 13:56
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How to return 2 values from a Java method?
...'t use really meaningful names):
final class MyResult {
private final int first;
private final int second;
public MyResult(int first, int second) {
this.first = first;
this.second = second;
}
public int getFirst() {
return first;
}
public int g...
Is there a C# case insensitive equals operator?
...ore case string comparison. This is also the fastest way, much faster than converting the strings to lower or upper case and comparing them after that.
I tested the performance of both approaches and the ordinal ignore case string comparison was more than 9 times faster! It is also more reliable th...