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Method Overloading for null argument
... version of a method that's available (see JLS §15.12.2).
Object, char[] and Integer can all take null as a valid value. Therefore all 3 version are applicable, so Java will have to find the most specific one.
Since Object is the super-type of char[], the array version is more specific than the O...
See line breaks and carriage returns in editor
...acters according to what fileformat options has been detected, essentially converting all those internal $'s with appropriate characters. If the fileformat happened to be unix then it will simply write \n in place of its internal line-break.
The trick is to force Vim to read a dos encoded file as u...
How can I handle the warning of file_get_contents() function in PHP?
...ce, way at the top (in an included config file, for instance), and it will convert all your errors to Exceptions throughout.
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Formatting Phone Numbers in PHP
I am working on an SMS app and need to be able to convert the sender's phone number from +11234567890 to 123-456-7890 so it can be compared to records in a MySQL database .
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What's the simplest way to test whether a number is a power of 2 in C++?
...will want to check for it explicitly.
http://www.graphics.stanford.edu/~seander/bithacks.html has a large collection of clever bit-twiddling algorithms, including this one.
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What is the use of “ref” for reference-type variables in C#?
I understand that if I pass a value-type ( int , struct , etc.) as a parameter (without the ref keyword), a copy of that variable is passed to the method, but if I use the ref keyword a reference to that variable is passed, not a new one.
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How do I set the time zone of MySQL?
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To get a UTC datetime column as a UNIX timestamp
SELECT UNIX_TIMESTAMP(CONVERT_TZ(`utc_datetime`, '+00:00', @@session.time_zone)) FROM `table_name`
Note: Changing the timezone will not change the stored datetime or timestamp, but it will show a different datetime for existing timestamp columns...
How to call a method with a separate thread in Java?
...start() on it. start tells the JVM to do the magic to create a new thread, and then call your run method in that new thread.
public class MyRunnable implements Runnable {
private int var;
public MyRunnable(int var) {
this.var = var;
}
public void run() {
// code i...
How to get the type of T from a member of a generic class or method?
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If I understand correctly, your list has the same type parameter as the container class itself. If this is the case, then:
Type typeParameterType = typeof(T);
If you are in the lucky situation of having object as a type parameter, see...
Superscript in CSS only?
...do not explicitly handle SUB, SUP, B, I and so on - they (kinda sorta) are converted into SPAN elements with appropriate CSS properties, and the rendering engine only deals with that.
The page is Appendix D. Default style sheet for HTML 4
The bits you want are:
small, sub, sup { font-size: .83em ...