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Which is better, return value or out parameter?
...es also prevent method chaining like this:
Console.WriteLine(GetValue().ToString("g"));
(Indeed, that's one of the problems with property setters as well, and it's why the builder pattern uses methods which return the builder, e.g. myStringBuilder.Append(xxx).Append(yyy).)
Additionally, out para...
Static Classes In Java
...from above:
public class TestMyStaticClass {
public static void main(String []args){
MyStaticClass.setMyStaticMember(5);
System.out.println("Static value: " + MyStaticClass.getMyStaticMember());
System.out.println("Value squared: " + MyStaticClass.squareMyStaticMember()...
How does Google's Page Speed lossless image compression work?
...ls > Batch Rename (or Control Shift R)
In the Preset field select "String Substitution". The New Filenames fields should now display “String Substitution”, followed by "Original Filename"
Enable the checkbox called “Use Regular Expression”
In the “Find” field, enter the Regular E...
How to check whether an array is empty using PHP?
...t empty values before checking (generally done to prevent explodeing weird strings):
foreach ($playerlist as $key => $value) {
if (empty($value)) {
unset($playerlist[$key]);
}
}
if (empty($playerlist)) {
//empty array
}
...
Select where count of one field is greater than one
...t face value:
SELECT *
FROM db.table
HAVING COUNT(someField) > 1
Ideally, there should be a GROUP BY defined for proper valuation in the HAVING clause, but MySQL does allow hidden columns from the GROUP BY...
Is this in preparation for a unique constraint on someField? Looks like it shou...
Delete all records in a table of MYSQL in phpMyAdmin
...will delete all the content of the table, not reseting the autoincremental id, this process is very slow. If you want to delete specific records append a where clause at the end.
truncate myTable
This will reset the table i.e. all the auto incremental fields will be reset. Its a DDL and its very fa...
How can I do something like a FlowLayout in Android?
How can I do something like a FlowLayout in Android?
9 Answers
9
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When to use NSInteger vs. int
...e correct format specifier you should use for each of these types, see the String Programming Guide's section on Platform Dependencies
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Best practice for partial updates in a RESTful service
...T/303 makes sense to me. PATCH and MERGE I couldn't find in the list of valid HTTP verbs so that would require more testing. How would I construct an URI if I want the system to send an email to customer 123? Something like a pure RPC method call that doesn't change the state of the object at all....
click() event is calling twice in jquery
...
Make sure and check that you have not accidentally included your script twice in your HTML page.
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