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How do I insert NULL values using PDO?
...':param' => !empty($val) ? $val : null )); Use !empty because for empty string you would also want to set null in database
– Shehzad Nizamani
Jun 30 '17 at 19:36
1
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Abstract classes in Swift Language
... the protocol extension.
protocol MyInterface {
func myMethod() -> String
}
extension MyInterface {
func myMethod() -> String {
fatalError("Not Implemented")
}
}
class MyConcreteClass: MyInterface {
func myMethod() -> String {
return "The output"
}...
How to copy data to clipboard in C#
How can I copy a string (e.g "hello") to the System Clipboard in C#, so next time I press CTRL+V I'll get "hello"?
5 Answ...
How do I get the first element from an IEnumerable in .net?
... to get the first item on any type IEnumerable.
Call it like so:
List<string> items = new List<string>() { "A", "B", "C", "D", "E" };
string firstItem = First<string>(items);
Or
int[] items = new int[] { 1, 2, 3, 4, 5 };
int firstItem = First<int>(items);
You could mod...
ORA-12505, TNS:listener does not currently know of SID given in connect descriptor
...
I fixed this issue by correcting my jdbc string.
For example, the correct jdbc string should be...
jdbc:oracle:thin:@myserver:1521/XE
But the jdbs string I was using is ...
jdbc:oracle:thin:@myserver:1521:XE
(Note: between 1521 and XE should be a /)
This b...
How to ignore a property in class if null, using json.net
...hing in VB and it is no longer part of the JSON. This will only work with Strings though. Properties that are enums or integers will always show up - setting to Nothing results in the default value of "0" regardless.
– Destek
Apr 10 '17 at 15:50
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android edittext onchange listener
...d afterTextChanged(Editable arg0) {
new SearchTask().execute(seq.toString().trim());
}
});
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Check if URL has certain string with PHP
I would like to know if some word is present in the URL.
15 Answers
15
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\r\n, \r and \n what is the difference between them? [duplicate]
I need to ask about the difference in a string between \r\n , \r and \n . How is a string affected by each?
4 Answers
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C# Sortable collection which allows duplicate keys
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[TestMethod()]
public void SortTest()
{
TupleList<int, string> list = new TupleList<int, string>();
list.Add(1, "cat");
list.Add(1, "car");
list.Add(2, "dog");
list.Add(2, "door");
list.Add(3, "elephant");
list.Add(1, "coco...