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JavaScript isset() equivalent
...) // false
Answer Function
/**
* Checks to see if a value is set.
*
* @param {Function} accessor Function that returns our value
* @returns {Boolean} Value is not undefined or null
*/
function isset (accessor) {
try {
// Note we're seeing if the returned value of our function...
How to read the RGB value of a given pixel in Python?
...
Be careful, the 'reshape' params list should be (height, width, channels). and for rgba images you could include image.mode = RGBA with channels = 4
– gmarsi
Jun 1 at 8:18
...
Operator Overloading with C# Extension Methods
...nsions
{
public static void Line(this StringBuilder sb, string format, params object[] args)
{
string s = String.Format(format + "\n", args);
sb.Append(s);
}
}
And so,
sb.Line("the first thing is {0}", first);
sb.Line("the second thing is {0}", second);
Not a general an...
Avoid trailing zeroes in printf()
... (str,'.'); should actually be p = strchr (s,'.'); To use the function param rather than the global var.
– n3wtz
May 2 '11 at 14:15
...
Iterate through a HashMap [duplicate]
...
Is param the name of the HashMap?
– c-an
Feb 27 '19 at 0:53
...
How to convert Milliseconds to “X mins, x seconds” in Java?
...*
* Convert a millisecond duration to a string format
*
* @param millis A duration to convert to a string form
* @return A string of the form "X Days Y Hours Z Minutes A Seconds".
*/
public static String getDurationBreakdown(long millis) {
if(millis < 0) {
...
@Scope(“prototype”) bean scope not creating new bean
...'s a very easy (and elegant) way to achieve that.
You can just change the params proxyMode and value of the @Scope annotation.
With this trick you can avoid to write extra code or to inject the ApplicationContext every time that you need a prototype inside a singleton bean.
Example:
@Service
@S...
Google Play on Android 4.0 emulator
...
the -partition-size param is important, without it i got OutOfMemory exception while pushing the apks
– mike
May 20 '13 at 11:39
...
How to get the separate digits of an int number?
...gits order is maintained - i.e. Least significant digit is at index[0]
* @param num positive integer
* @return array of digits
*/
public static Integer[] getDigits(int num) {
if (num < 0) { return new Integer[0]; }
List<Integer> digits = new ArrayList<Integer>();
collec...
URL to load resources from the classpath in Java
...^\\.]+" );
/**
* Call this method with your handlerclass
* @param handlerClass
* @throws Exception
*/
public static void add( Class<? extends URLStreamHandler> handlerClass ) throws Exception
{
if ( handlerClass.getSimpleName().equals( "Handler" ) )
...