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TypeScript function overloading
...he any form is hidden by the more specifically typed overrides.
var foo2: new Foo();
var n: number = foo2.bar('baz'); // OK
var s: string = foo2.bar(123); // OK
var a: number[] = foo2.bar([1,2,3]); // ERROR
shar...
Change “on” color of a Switch
...
This is working for me (requires Android 4.1):
Switch switchInput = new Switch(this);
int colorOn = 0xFF323E46;
int colorOff = 0xFF666666;
int colorDisabled = 0xFF333333;
StateListDrawable thumbStates = new StateListDrawable();
thumbStates.addState(new int[]{android.R.attr.state_checked}, new...
In log4j, does checking isDebugEnabled before logging improve performance?
...hen you're building up log messages by concatenating Strings:
Var myVar = new MyVar();
log.debug("My var is " + myVar + ", value:" + myVar.someCall());
However, in your example there is no speed gain as you're just logging a String and not performing operations such as concatenation. Therefore yo...
How does interfaces with construct signatures work?
...able in classes; they're only for defining existing JS APIs that define a 'new'-able function. Here's an example involving interfaces new signatures that does work:
interface ComesFromString {
name: string;
}
interface StringConstructable {
new(n: string): ComesFromString;
}
class MadeFro...
What is the difference between a 'closure' and a 'lambda'?
...easier via lambda expressions. So probably the most relevant aspect of the new feature is that there are now lambdas. It's not incorrect to call them lambdas, they are indeed lambdas. Why Java 8 authors may choose not to highlight the fact that they are closures is not something I know.
...
The application may be doing too much work on its main thread
I am new to Android SDK/API environment. It's the first I am trying to draw a plot/chart. I tried running different kinds of sample codes the emulator using 3 different free libraries, nothing is showing in the layout screen. The logcat is repeating the following message:
...
Nginx serves .php files as downloads, instead of executing them
...
51
You need to add this to /etc/nginx/sites-enabled/default to execute php files on Nginx Server:
...
How to change color in circular progress bar?
...essDialog's progressbar color, u can use this :
mDilog.setOnShowListener(new OnShowListener() {
@Override
public void onShow(DialogInterface dialog) {
ProgressBar v = (ProgressBar)mDilog.findViewById(android.R.id.progress);
v.getIndeterminateDrawable().setCo...
Remove underline from links in TextView - Android
... private void stripUnderlines(TextView textView) {
Spannable s = new SpannableString(textView.getText());
URLSpan[] spans = s.getSpans(0, s.length(), URLSpan.class);
for (URLSpan span: spans) {
int start = s.getSpanStart(span);
int end = s.getSpanEnd...
How to determine the version of the C++ standard used by the compiler?
...he advantage of this is that we actually can pick specific features of the new standard, and write a workaround if the feature is missing. This is often preferred over a wholesale solution, as some compilers will claim to implement C++11, but only offer a subset of the features.
The Stdcxx Wiki hos...