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Is a Java string really immutable?
We all know that String is immutable in Java, but check the following code:
15 Answers
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What is the default initialization of an array in Java?
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What about a String array?
– Zac
Dec 23 '17 at 7:05
1
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How to select between brackets (or quotes or …) in Vim?
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This is a highly useful tip. No more fumbling with extra keystrokes. Thank you for the link.
– Rai
Jan 18 '15 at 15:36
add a comment
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What is the minimum I have to do to create an RPM file?
...ion: 1.0
Release: 1
Summary: Short description (first char has to be uppercase)
License: GPL
URL: www. your_website/
BuildRequires: package_required >= (or ==, or <=) 1.0.3 (for example)
%description
Description with almost 79 characters (first char h...
PHP - include a php file and also send query parameters
... small simple function to achieve that:
<?php
// Include php file from string with GET parameters
function include_get($phpinclude)
{
// find ? if available
$pos_incl = strpos($phpinclude, '?');
if ($pos_incl !== FALSE)
{
// divide the string in two part, before ? and aft...
LEN function not including trailing spaces in SQL Server
....aspx, which states LEN "returns the number of characters of the specified string expression, excluding trailing blanks". It is, however, an easy detail on to miss if you're not wary.
You need to instead use the DATALENGTH function - see http://msdn.microsoft.com/en-us/library/ms173486(SQL.90).asp...
how to listen to N channels? (dynamic select statement)
... true if the channel has not been closed.
ch := chans[chosen]
msg := value.String()
You can experiment with a more fleshed out example here: http://play.golang.org/p/8zwvSk4kjx
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Python - Create a list with initial capacity
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This isn't valid; you're formatting a string with each iteration, which takes forever relative to what you're trying to test. Additionally, given that 4% can still be significant depending on the situation, and it's an underestimate...
– Ph...
Escaping ampersand character in SQL string
...the ascii code for ampersand, and in this form it will be interpreted as a string, nothing else. I tried it and it worked.
Another way could be using LIKE and an underline instead the '&' character:
node_name LIKE 'Geometric Vectors _ Matrices'
The chance that you'll find some other recor...
What is the difference between canonical name, simple name and class name in Java Class?
...rst.
I did this:
class ClassNameTest {
public static void main(final String... arguments) {
printNamesForClass(
int.class,
"int.class (primitive)");
printNamesForClass(
String.class,
"String.class (ordinary class)");
print...