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Simplest two-way encryption using PHP
... * Encrypts (but does not authenticate) a message
*
* @param string $message - plaintext message
* @param string $key - encryption key (raw binary expected)
* @param boolean $encode - set to TRUE to return a base64-encoded
* @return string (raw binary)
*/
publi...
When should I use “this” in a class?
...er "name" to the instance variable "name".
public class Foo
{
private String name;
public void setName(String name) {
this.name = name;
}
}
Case 2: Using this as an argument passed to another object.
public class Foo
{
public String useBarMethod() {
Bar theBar = ...
Easiest way to pass an AngularJS scope variable from directive to controller?
...;
<!-- attribute-foo binds to a DOM attribute which is always
a string. That is why we are wrapping it in curly braces so
that it can be interpolated. -->
<my-component attribute-foo="{{foo}}" binding-foo="foo"
isolated-expression-foo="updateFoo(newFoo)" >
...
PHP - How to check if a string contains a specific text [duplicate]
...
@Blender sorry, you're right. I was thinking of the .NET String.IndexOf which returns -1 in event of a non-match. I've corrected my answer.
– Dai
Mar 9 '13 at 1:54
...
Count the number occurrences of a character in a string
...'s the simplest way to count the number of occurrences of a character in a string?
19 Answers
...
Remove characters after specific character in string, then remove substring?
...ing this when this seems kind of simple and there are tons of questions on strings/characters/regex, but I couldn't find quite what I needed (except in another language: Remove All Text After Certain Point ).
...
How do I check if string contains substring? [duplicate]
...
if (~str.indexOf("Yes"))
This works because indexOf() returns -1 if the string wasn't found at all.
Note that this is case-sensitive.
If you want a case-insensitive search, you can write
if (str.toLowerCase().indexOf("yes") >= 0)
Or:
if (/yes/i.test(str))
...
Splitting a Java String by the pipe symbol using split(“|”)
...ing the OR operator. You need to escape that character using \ (written in String as "\\" since \ is also a metacharacter in String literals and require another \ to escape it).
You can also use
test.split(Pattern.quote("|"));
and let Pattern.quote create the escaped version of the regex repres...
Is there a way to override class variables in Java?
..., I would write it something like this;
public class Person {
private String name;
public Person(String name) {
this.name = name;
}
public void printName() {
System.out.println(name);
}
}
The JLS gives a lot more detail on hiding in section 8.3 - Field Declar...
Case insensitive string compare in LINQ-to-SQL
...ad that it's unwise to use ToUpper and ToLower to perform case-insensitive string comparisons, but I see no alternative when it comes to LINQ-to-SQL. The ignoreCase and CompareOptions arguments of String.Compare are ignored by LINQ-to-SQL (if you're using a case-sensitive database, you get a case-se...