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Learn C first before learning Objective-C [closed]
...er, the really great feature of Obj-C (that's why I even like it more than Java) is that you can jump to plain C at will and back again. Why this is such a great feature? Because just like Obj-C fixes many of the cons of pure C, pure C can fix some of the cons of Obj-C. If you mix them together you'...
Does functional programming replace GoF design patterns?
...a huge number of articles which insist that design patterns (especially in Java) are workarounds for the missing features in imperative languages. One article I found makes a fairly strong claim :
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Your project contains error(s), please fix it before running it
...braries were addressed twice in the:
Project >> Properties >> Java Build Path >> Libraries
I just had to remove the duplicate and it worked fine without any cleanings or refreshing.
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How can I convert a Unix timestamp to DateTime and vice versa?
...Seconds( unixTimeStamp ).ToLocalTime();
return dtDateTime;
}
Or, for Java (which is different because the timestamp is in milliseconds, not seconds):
public static DateTime JavaTimeStampToDateTime( double javaTimeStamp )
{
// Java timestamp is milliseconds past epoch
System.DateTime d...
How to draw a path on a map using kml file?
...on I will be parsing.
package com.myapp.android.model.navigation;
import java.util.ArrayList;
import java.util.Iterator;
public class NavigationDataSet {
private ArrayList<Placemark> placemarks = new ArrayList<Placemark>();
private Placemark currentPlacemark;
private Placemark rout...
Can JSON start with “[”?
...re i is an index from 0 through the returned JSONArray's size()-1.
import java.io.IOException;
import com.ibm.json.java.JSONArray;
import com.ibm.json.java.JSONObject;
public class BookListTest {
public static void main(String[] args) {
String jsonBookList = "{\"book_list\":{\"book\":[{\"...
Send an Array with an HTTP Get
...ally, when the target server uses a strong typed programming language like Java (Servlet), then you can just send them as multiple parameters with the same name. The API usually offers a dedicated method to obtain multiple parameter values as an array.
foo=value1&foo=value2&foo=value3
S...
How to loop through a HashMap in JSP?
...
Just the same way as you would do in normal Java code.
for (Map.Entry<String, String> entry : countries.entrySet()) {
String key = entry.getKey();
String value = entry.getValue();
// ...
}
However, scriptlets (raw Java code in JSP files, those <%...
How do I add a Maven dependency in Eclipse?
...ith the latest version of Eclipse and m2e you can right click on a regular Java project and enable Dependency Management for it. This will generate a pom.xml for the project, while leaving its structure intact.
– Perception
Feb 8 '12 at 5:40
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Best way to handle list.index(might-not-exist) in python?
...
This issue is one of language philosophy. In Java for example there has always been a tradition that exceptions should really only be used in "exceptional circumstances" that is when errors have happened, rather than for flow control. In the beginning this was for perfo...