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Difference between String#equals and String#contentEquals methods
What is the difference between the String#equals method and the String#contentEquals method?
9 Answers
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Why is String immutable in Java?
I was asked in an interview why String is immutable
12 Answers
12
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Default function arguments in Rust
...1.8;
let mut weight = 77.11;
let mut name = "unspecified".to_string();
for opt in args {
match opt {
Height(h) => height = *h,
Weight(w) => weight = *w,
Name(n) => name = n.to_string(),
}
}
println!(" name:...
What does @hide mean in the Android source code?
...anager.java uses @hide:
/** @hide */
public static int checkUidPermission(String permission, int uid) {
try {
return AppGlobals.getPackageManager()
.checkUidPermission(permission, uid);
} catch (RemoteException e) {
// Should never happen, but if it does... d...
Difference between string object and string literal [duplicate]
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When you use a string literal the string can be interned, but when you use new String("...") you get a new string object.
In this example both string literals refer the same object:
String a = "abc";
String b = "abc";
System.out.println(...
In SQL Server, when should you use GO and when should you use semi-colon ;?
...terminator. In another DBMS I have seen the ability to set the termination string. For example, you might specify that statements end with two pipe characters ||. You could then issue CREATE PROCEDURE ... much SQL ending in ; ... || and the double pipe ends the CREATE PROCEDURE statement. So my ques...
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
What is meant by String Pool ? And what is the difference between the following declarations:
5 Answers
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ExecuteReader requires an open and available Connection. The connection's current state is Connectin
...Promotion(int promotionID)
{
Promotion promo = null;
var connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["MainConnStr"].ConnectionString;
using (SqlConnection connection = new SqlConnection(connectionString))
{
var queryString = "SELECT Promotio...
Is it possible to set a number to NaN or infinity?
...
Cast from string using float():
>>> float('NaN')
nan
>>> float('Inf')
inf
>>> -float('Inf')
-inf
>>> float('Inf') == float('Inf')
True
>>> float('Inf') == 1
False
...
Comparing strings with == which are declared final in Java
I have a simple question about strings in Java. The following segment of simple code just concatenates two strings and then compares them with == .
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