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Integer.toString(int i) vs String.valueOf(int i)
...returned by the
* {@code Integer.toString} method of one argument.
*
* @param i an {@code int}.
* @return a string representation of the {@code int} argument.
* @see java.lang.Integer#toString(int, int)
*/
public static String valueOf(int i) {
return Integer.toString(i);
}
So th...
How to copy a collection from one database to another in MongoDB
... It works on PW protected DBs you just need to pass the auth in the params
– Ben
Jul 17 '17 at 14:05
2
...
How to Programmatically Add Views to Views
...ctor (e.g., Button myButton = new Button();), you'll need to call setLayoutParams on the newly constructed view, passing in an instance of the parent view's LayoutParams inner class, before you add your newly constructed child to the parent view.
For example, you might have the following code in yo...
How to find patterns across multiple lines using grep?
...ferent lines:
grep -Pzl '(?s)abc.*\n.*efg' <your list of files>
Params:
-P Use perl compatible regular expressions (PCRE).
-z Treat the input as a set of lines, each terminated by a zero byte instead of a newline. i.e. grep treats the input as a one big line.
-l list matching filenames...
Error: “The node to be inserted is from a different document context”
...
Thanks Sir! ImportNode takes two params... the second one is for deepClone ... How can I decide if I should pass True or False to it?
– Bohn
Jun 10 '10 at 23:26
...
Detect when an image fails to load in Javascript
...
/**
* Tests image load.
* @param {String} url
* @returns {Promise}
*/
function testImageUrl(url) {
return new Promise(function(resolve, reject) {
var image = new Image();
image.addEventListener('load', resolve);
image.addEventListener('...
Difference between HashMap, LinkedHashMap and TreeMap
...rts access-order (when using the constructor with the boolean access-order param).
– Eyal Schneider
Jun 5 '14 at 9:23
...
How to check edittext's text is email address or not?
...
/**
* method is used for checking valid email id format.
*
* @param email
* @return boolean true for valid false for invalid
*/
public static boolean isEmailValid(String email) {
String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}$";
Pattern pattern = Pattern.compile(ex...
Most Useful Attributes [closed]
...
You can pass "true" as one of the parameters to System.Obsolete which causes the warning to become an error therefore breaking the build. Obviously this should be done once you have cleaned up all the warnings. :)
– Adrian Clark
...
How to make a edittext box in a dialog
...l EditText input = new EditText(MainActivity.this);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.MATCH_PARENT,
LinearLayout.LayoutParams.MATCH_PARENT);
input.setLayoutParams(lp);
alertDialog.setView(in...