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GET URL parameter in PHP
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$_GET is not a function or language construct—it's just a variable (an array). Try:
<?ph...
Git 'fatal: Unable to write new index file'
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in a “using” block is a SqlConnection closed on return or exception?
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edited Mar 27 '19 at 7:39
radbyx
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Data access object (DAO) in Java
...diagram here:
http://www.oracle.com/technetwork/java/dataaccessobject-138824.html
Maybe a simple example can help you understand the concept:
Let's say we have an entity to represent an employee:
public class Employee {
private int id;
private String name;
public int getId() {
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Replace a value if null or undefined in JavaScript
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Here’s the JavaScript equivalent:
var i = null;
var j = i || 10; //j is now 10
Note that ...
How can I hash a password in Java?
...uilt in to the Java runtime to do this. The SunJCE in Java 6 supports PBKDF2, which is a good algorithm to use for password hashing.
byte[] salt = new byte[16];
random.nextBytes(salt);
KeySpec spec = new PBEKeySpec("password".toCharArray(), salt, 65536, 128);
SecretKeyFactory f = SecretKeyFactory.g...
Matplotlib Legends not working
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You should add commas:
plot1, = plt.plot(a,b)
plot2, = plt.plot(a,c)
The reason you need the commas is because plt.plot() returns a tuple of line objects, no matter how many are actually created from the command. Without the comma, "plot1" and "plot2" are tuples instead of...
NodeJS - What does “socket hang up” actually mean?
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Count immediate child div elements using jQuery
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What is the difference between an Azure Web Site and an Azure Web Role
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Web Roles give you several features beyond Web Apps (formerly Web Sites):
Ability to run ele...