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Why does instanceof return false for some literals?
...kind of type than objects created from within Javascript. From the Mozilla API docs:
var color1 = new String("green");
color1 instanceof String; // returns true
var color2 = "coral";
color2 instanceof String; // returns false (color2 is not a String object)
I can't find any way to construct primi...
How to create an HTTPS server in Node.js?
... work anymore. Please see the answer by pkyeck below, or go to: nodejs.org/api/https.html
– Jay Sheth
Apr 8 '14 at 19:16
2
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Java 8: How do I work with exception throwing methods in streams?
...restrictive and counter productive. are you aware that all methods, in all api are authorized to throw all flavours of runtime exceptions without you even having to know it (of course you are)? did you ban javascript for not having the concept of checked exceptions implemented? If I were your lead d...
Make sure that the controller has a parameterless public constructor error
...r configuration), it return null. It is forced to return null, because Web API forces it to do so due to the IDependencyResolver contract. Since Unity returns null, Web API will try to create the controller itself, but since it doesn't have a default constructor it will throw the "Make sure that the...
What languages are Windows, Mac OS X and Linux written in?
...what we technical define as an operating system is not in C++. The Windows API, the Windows kernel (both of these are in essence what an operating system is) are written in C. Years ago I was given some leaked code for both Windows 2000 and Windows XP. The code was not nearly complete enough to comp...
What is the canonical way to determine commandline vs. http execution of a PHP script?
...rns out this is populated, even when using the 'Apache 2.0 Handler' server API.
5 Answers
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JSP tricks to make templating easier?
...groupId>javax.servlet</groupId>
<artifactId>servlet-api</artifactId>
<version>2.5</version>
</dependency>
<dependency>
<groupId>javax.servlet.jsp</groupId>
<artifactId>jsp-api</artifactId>
...
How to handle back button in activity
...
You can handle it like this:
for API level 5 and greater
@Override
public void onBackPressed() {
// your code.
}
older than API 5
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK) {
//...
What is the difference between == and equals() in Java?
...and so you're left with the Object#equals(Object o) method. Per the Object API this is the same as ==; that is, it returns true if and only if both variables refer to the same object, if their references are one and the same. Thus you will be testing for object equality and not functional equality....
How to avoid reinstalling packages when building Docker image for Python projects?
...f it doesn't work, check your docker version.
Client version: 1.1.2
Client API version: 1.13
Go version (client): go1.2.1
Git commit (client): d84a070
Server version: 1.1.2
Server API version: 1.13
Go version (server): go1.2.1
Git commit (server): d84a070
...