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Why JSF calls getters multiple times
...istener>).
someProperty = loadSomeProperty();
}
public String submit() {
// Or in POST action method (e.g. <h:commandXxx action>).
someProperty = loadSomeProperty();
return "outcome";
}
public SomeObject getSomeProperty() {
// Just k...
What is & used for
...er (e.g. &trade;) then it (™) would appear in the URL instead of the string you wanted.
(Note that depending on the version of HTML you use, you may have to end a character reference with a ;, which is why &trade= will be treated as ™. HTML 4 allows it to be ommited if the next characte...
What is %2C in a URL?
...mma (,).
You should use your language's URL encoding methods when placing strings in URLs.
You can see a handy list of characters with man ascii. It has this compact diagram available for mapping hexadecimal codes to the character:
2 3 4 5 6 7
-------------
0: 0 @ P ` p
1:...
slf4j: how to log formatted message, object array, exception
...not recognize that in your example you used n=3 placeholders in the format string and n+1=4 elements in the object array. I had n placeholders in the format string and also n elements in the object array plus an exception as third parameter. My expectation was that the exception would be printed wit...
How do I determine the size of an object in Python?
I want to know how to get size of objects like a string, integer, etc. in Python.
13 Answers
...
Can't operator == be applied to generic types in C#?
...ase share.
namespace TestProject
{
class Program
{
static void Main(string[] args)
{
Test a = new Test();
Test b = new Test();
Console.WriteLine("Inline:");
bool x = a == b;
Console.WriteLine("Generic:");
Compare<Test>(a, b);
}
...
Make column not nullable in a Laravel migration
... @Musa Apparently you can set a column nullable (ex: $table->string('colmn', 255)->nullable()->change();) but the reverse doesn't appear to work ($table->string('colmn', 255)->change();), so you still need to use raw db queries for this
– Luís Cruz
...
Difference between single and double quotes in Bash
...or anyone who doesn't know what "interpolate" means: en.wikipedia.org/wiki/String_interpolation
– Kolob Canyon
May 10 '18 at 17:57
1
...
Convert int to ASCII and back in Python
...
ASCII to int:
ord('a')
gives 97
And back to a string:
in Python2: str(unichr(97))
in Python3: chr(97)
gives 'a'
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PHP: How to send HTTP response code?
...");
Note: According to the HTTP RFC, the reason phrase can be any custom string (that conforms to the standard), but for the sake of client compatibility I do not recommend putting a random string there.
Note: php_sapi_name() requires PHP 4.0.1
3rd argument to header function (PHP >= 4.3)
Th...