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How to iterate over arguments in a Bash script
... when there are no positional parameters whereas "$*" expands to the empty string -- and yes, there is a difference between no arguments and one empty argument. See ${1:+"$@"} in /bin/sh`.
– Jonathan Leffler
Dec 12 '14 at 22:12
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Cannot instantiate the type List [duplicate]
...way,Java provides us polymorphic behaviour.See the example below:
List<String> list = new ArrayList<String>();
Instead of instantiating an ArrayList directly,I am using a List to refer to ArrayList object so that we are using only the List interface methods and do not care about its a...
Iterate over each line in a string in PHP
...ly differentiate between the two and put whichever one they entered into a string variable, but where do I go from there?
7...
NSDictionary - Need to check whether dictionary contains key-value pair or not
...uldn't we mistakenly think that the key isn't present in the dictionary at all?
– jbx72487
Feb 1 '13 at 18:51
13
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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
... result you're after in almost all cases on its own (apart from whitespace strings, which for some reason return true), so parseInt vs parseFloat seems irrelevant in this context. I certainly can't find a single input to that function where parseInt makes a difference.
– Thor84...
How can I reliably determine the type of a variable that is declared using var at design time?
...ainst just that statement. For example, suppose you have the method body:
String x = "hello";
var y = x.ToCharArray();
var z = from foo in y where foo.
and now we need to work out that foo is of type char. We build a database that has all the metadata, extension methods, source code types, and so...
How to add line break for UILabel?
Let see that I have a string look like this:
21 Answers
21
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Retrieve column names from java.sql.ResultSet
With java.sql.ResultSet is there a way to get a column's name as a String by using the column's index? I had a look through the API doc but I can't find anything.
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Best practice: ordering of public/protected/private within the class definition?
...ther too.
So my classes often look like this:
class MyClass {
public string Method(int a) {
return HelperMethodA(a) + HelperMethodB(this.SomeStringMember);
}
string HelperMethodA(int a) { // returns some string }
string HelperMethodB(string s) { // returns some string }
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Opening the Settings app from another app
...y Karan Dua this is now possible in iOS8 using UIApplicationOpenSettingsURLString see Apple's Documentation.
Example:
Swift 4.2
UIApplication.shared.open(URL(string: UIApplication.openSettingsURLString)!)
In Swift 3:
UIApplication.shared.open(URL(string:UIApplicationOpenSettingsURLString)!)
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