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PDO get the last ID inserted
...t;execute();
$LAST_ID = $this->conn->lastInsertId(); //always return string(1)=0
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Match multiline text using regular expression
...end of each line (otherwise they only match at the start/end of the entire string).
Pattern.DOTALL or (?s) tells Java to allow the dot to match newline characters, too.
Second, in your case, the regex fails because you're using the matches() method which expects the regex to match the entire strin...
How can foreign key constraints be temporarily disabled using T-SQL?
...e like that can be a nightmare if the failing data is at the end of a long string of linked constraints.
– Jimoc
Oct 1 '08 at 18:44
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Literal notation for Dictionary in C#?
...lection initializer syntax, but you still need to make a new Dictionary<string, string> object first as the shortcut syntax is translated to a bunch of Add() calls (like your code):
var data = new Dictionary<string, string>
{
{ "test", "val" },
{ "test2", "val2" }
};
In C# 6,...
How can I generate UUID in C#
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You can also do String UUID = Guid.NewGuid().ToString()
– Justin
Dec 12 '11 at 17:41
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Why does Java's hashCode() in String use 31 as a multiplier?
Per the Java documentation, the hash code for a String object is computed as:
13 Answers
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leading zeros in rails
...untime. Every language has its own way to pad zeros - for Ruby you can use String#rjust. This method pads a string (right-justified) so that it becomes a given length, using a given padding character.
str.rjust(integer, padstr=' ') → new_str
If integer is greater than the length of str, r...
SQL WHERE.. IN clause multiple columns
...ur columns are numeric, some SQL dialects will require you to cast them to strings first. I believe SQL server will do this automatically.
To wrap things up: As usual there are many ways to do this in SQL, using safe choices will avoid suprises and save you time and headaces in the long run.
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How do malloc() and free() work?
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@Juergen But when free() read extra byte which contain information how much memory allocated from malloc, it get 4. Then how crash happened or how free() touch administrative data ?
– Undefined Behaviour
Aug 5 '16 at...
How can I change the default Django date template format?
...orks only if date is provideded as a datetime object. What if it is just a string passed from the view?
– Mohammed Shareef C
Dec 13 '16 at 5:33
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