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Can't escape the backslash with regex?
...
If you're putting this in a string within a program, you may actually need to use four backslashes (because the string parser will remove two of them when "de-escaping" it for the string, and then the regex needs two for an escaped regex backslash).
Fo...
ActionBar text color
...ortActionBar() */.setTitle(Html.fromHtml("<font color=\"red\">" + getString(R.string.app_name) + "</font>"));
You can also use the red hex code #FF0000 instead of the word red. If you are having trouble with this, see Android Html.fromHtml(String) doesn't work for <font color='#'>...
Go Unpacking Array As Arguments
...ay.golang.org/p/2nN6kjHXIsd
I had a reason to unpack some vars from a map[string]string with single quotes around some of them as well as without. Here's the logic for it and the play link up top has the full working snippet.
func unpack(a map[string]string) string {
var stmt, val string
var x, y...
How to load local html file into UIWebView
...
probably it is better to use NSString and load html document as follows:
Objective-C
NSString *htmlFile = [[NSBundle mainBundle] pathForResource:@"sample" ofType:@"html"];
NSString* htmlString = [NSString stringWithContentsOfFile:htmlFile encoding:NSUTF8...
Live character count for EditText
... //This sets a textview to the current length
mTextView.setText(String.valueOf(s.length()));
}
public void afterTextChanged(Editable s) {
}
};
you set the TextWatcher for the edittext with
mEditText.addTextChangedListener(mTextEditorWatcher);
...
What's the difference between BaseAdapter and ArrayAdapter?
...ctor in the subclass constructor.
UserListAdapter extends ArrayAdapter<String>{
List<String> UserList;
Context context;
public UserListAdapter(Context context, int resource,List<String> listUsers) {
super(context, resource, listUsers); /* Super class construct...
Why `null >= 0 && null
...orithm.
In Summary:
Relational Comparison: if both values are not type String, ToNumber is called on both. This is the same as adding a + in front, which for null coerces to 0.
Equality Comparison: only calls ToNumber on Strings, Numbers, and Booleans.
...
Elegant way to invert a map in Scala
...t; "b", 4 -> "b")
scala> m.groupBy(_._2).mapValues(_.keys)
res0: Map[String,Iterable[Int]] = Map(b -> Set(2, 4), a -> Set(1))
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Chrome Uncaught Syntax Error: Unexpected Token ILLEGAL [duplicate]
...gramming languages, anyway) for there to be embedded Unicode characters in string constants, for example. The problems start happening when the language parser encounters the characters when it doesn't expect them.
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'Missing contentDescription attribute on image' in XML
...e android:contentDescription
for my ImageView
android:contentDescription="@string/desc"
Android Lint support in ADT 16 throws this warning to ensure that
image widgets provide a contentDescription
This defines text that briefly describes the content of the view. This
property is used primarily for a...
