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Which equals operator (== vs ===) should be used in JavaScript comparisons?
...rimitive with an object that evaluates to the same primitive, due to its toString or valueOf method. For example, consider the comparison of a string primitive with a string object created using the String constructor.
"abc" == new String("abc") // true
"abc" === new String("abc") // false
H...
Cross field validation with Hibernate Validator (JSR 303)
... UserRegistrationForm {
@NotNull
@Size(min=8, max=25)
private String password;
@NotNull
@Size(min=8, max=25)
private String confirmPassword;
@NotNull
@Email
private String email;
@NotNull
@Email
private String confirmEmail;
}
The Annotation:
pac...
Alphabet range in Python
...
>>> import string
>>> string.ascii_lowercase
'abcdefghijklmnopqrstuvwxyz'
If you really need a list:
>>> list(string.ascii_lowercase)
['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', ...
Occurrences of substring in a string
Why is the following algorithm not halting for me?
(str is the string I am searching in, findStr is the string I am trying to find)
...
Parse date string and change format
I have a date string with the format 'Mon Feb 15 2010'. I want to change the format to '15/02/2010'. How can I do this?
9...
Preserve Line Breaks From TextArea When Writing To MySQL
...ons for this:
PHP function nl2br():
e.g.,
echo nl2br("This\r\nis\n\ra\nstring\r");
// will output
This<br />
is<br />
a<br />
string<br />
Wrap the input in <pre></pre> tags.
See: W3C Wiki - HTML/Elements/pre
...
Getting the folder name from a path
...
I would probably use something like:
string path = "C:/folder1/folder2/file.txt";
string lastFolderName = Path.GetFileName( Path.GetDirectoryName( path ) );
The inner call to GetDirectoryName will return the full path, while the outer call to GetFileName() wil...
iPhone Navigation Bar Title text color
... produced by Apple's code, except for the color.
- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self)
{
// this will appear as the title in the navigation bar
UILab...
Trim spaces from end of a NSString
I need to remove spaces from the end of a string. How can I do that?
Example: if string is "Hello " it must become "Hello"
...
How to recursively list all the files in a directory in C#?
...t print out the names.
It can be modified like so:
static void DirSearch(string sDir)
{
try
{
foreach (string d in Directory.GetDirectories(sDir))
{
foreach (string f in Directory.GetFiles(d))
{
Console.WriteLine(f);
}
...