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Difference between .on('click') vs .click()

...ar shortcut methods for "keyup", "focus", etc.) The reason I'm posting an extra answer is to mention what happens if you call .click() with no parameters: $("#whatever").click(); // is a shortcut for $("#whatever").trigger("click"); Noting that if you use .trigger() directly you can also pass ex...
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How do I check if a string is unicode or ascii?

What do I have to do in Python to figure out which encoding a string has? 11 Answers 1...
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Can a java file have more than one class?

...s to be a nested class. public class first { public static void main(String[] args) { // TODO Auto-generated method stub } public class demo1 { public class demo2 { } } } ...
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“’” showing on page instead of “ ' ”

... This sometimes happens when a string is converted from Windows-1252 to UTF-8 twice. We had this in a Zend/PHP/MySQL application where characters like that were appearing in the database, probably due to the MySQL connection not specifying the correct cha...
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How to call a Parent Class's method from Child Class in Python?

...y haven't been overwritten. e.g. in python 3: class A(): def bar(self, string): print("Hi, I'm bar, inherited from A"+string) class B(A): def baz(self): self.bar(" - called by baz in B") B().baz() # prints out "Hi, I'm bar, inherited from A - called by baz in B" yes, this may be fa...
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When is each sorting algorithm used? [closed]

...rantee no bad data gives you O(N^2), you should avoid it. Merge-sort uses extra memory, but is particularly suitable for external sorting (i.e. huge files that don't fit into memory). Heap-sort can sort in-place and doesn't have the worst case quadratic behavior, but on average is slower than quic...
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CSV API for Java [closed]

...'ve used OpenCSV in the past. import au.com.bytecode.opencsv.CSVReader; String fileName = "data.csv"; CSVReader reader = new CSVReader(new FileReader(fileName )); // if the first line is the header String[] header = reader.readNext(); // iterate over reader.readNext until it returns null String[...
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How to recursively download a folder via FTP on Linux [closed]

...rectory Note the double slash after the server name. If you don't put an extra slash the path is relative to the home directory of user. -nH avoids the creation of a directory named after the server name -nc avoids creating a new file if it already exists on the destination (it is just skipped) ...
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What is JavaScript garbage collection?

...called a "scavenger". A scavenger may refer to a number, an object, a string, whatever. We maintain a list of scavengers -- variables are moved on to the scav list when they come into scope and off the scav list when they go out of scope. Every now and then the garbage collector ru...
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Is it expensive to use try-catch blocks even if an exception is never thrown?

... Let's measure it, shall we? public abstract class Benchmark { final String name; public Benchmark(String name) { this.name = name; } abstract int run(int iterations) throws Throwable; private BigDecimal time() { try { int nextI = 1; i...