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When do you use varargs in Java?
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Varargs are useful for any method that needs to deal with an indeterminate number of objects. One good example is String.format. The format string can accept any number of parameters, so you need a mechanism to pass in any number of objects.
String....
When is finally run if you throw an exception from the catch block?
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and never if you call Envrionment.FailFast()
– Johannes Rudolph
Oct 12 '09 at 17:22
16
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What is the email subject length limit?
... field is logically a
single line of characters comprising
the field name, the colon, and the
field body. For convenience however,
and to deal with the 998/78 character
limitations per line, the field body
portion of a header field can be split
into a multiple line representation;
t...
jQuery / Javascript - How do I convert a pixel value (20px) to a number value (20)
I know jQuery has a helper method for parsing unit strings into numbers. What is the jQuery method to do this?
6 Answers
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Getter and Setter?
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You can use php magic methods __get and __set.
<?php
class MyClass {
private $firstField;
private $secondField;
public function __get($property) {
if (property_exists($this, $property)) {
return $this->$property;
}
}
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How to add image to canvas
I'm experimenting a bit with the new canvas element in HTML.
4 Answers
4
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How can I save a screenshot directly to a file in Windows? [closed]
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You can code something pretty simple that will hook the PrintScreen and save the capture in a file.
Here is something to start to capture and save to a file. You will just need to hook the key "Print screen".
using System;
using System.Dr...
Breaking a list into multiple columns in Latex
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Using the multicol package and embedding your list in a multicols environment does what you want:
\documentclass{article}
\usepackage{multicol}
\begin{document}
\begin{multicols}{2}
\begin{enumerate}
\item a
\item b
\item c
\item d
\item e
\item f
\end{enumerate}
\end{mul...
View the Task's activity stack
...y
realActivity=com.android.contacts/.DialtactsActivity
lastActiveTime=288203177 (inactive for 14s)
* Hist #8: HistoryRecord{44b87a30 com.android.contacts/.ViewContactActivity}
packageName=com.android.contacts processName=android.process.acore
launchedFromUid=10004 app=Pro...
How can I limit Parallel.ForEach?
I have a Parallel.ForEach() async loop with which I download some webpages. My bandwidth is limited so I can download only x pages per time but Parallel.ForEach executes whole list of desired webpages.
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