大约有 47,000 项符合查询结果（耗时：0.0383秒） [XML]
What is the Java string pool and how is “s” different from new String(“s”)? [duplicate]
...g pool. However, when you do String s = new String("string constant"); you force a copy to be allocated.
share
|
improve this answer
|
follow
|
...
Is it possible to declare a variable in Gradle usable in Java?
... I have discovered is well is that you could specify alternate directories for the debug and release builds. In <project>/src/, if you create the file debug/res/values/strings.xml and another file release/res/values/strings.xml, you could set resources for the debug and release builds in a sl...
In PHP, can you instantiate an object and call a method on the same line?
...
The feature you have asked for is available from PHP 5.4. Here is the list of new features in PHP 5.4:
http://php.net/manual/en/migration54.new-features.php
And the relevant part from the new features list:
Class member access on instantiation ha...
How to write log base(2) in c/c++
...h:
log2 (x) = logy (x) / logy (2)
where y can be anything, which for standard log functions is either 10 or e.
share
|
improve this answer
|
follow
|...
Listen for key press in .NET console app
...() is a blocking function, it stops the execution of the program and waits for a key press, but thanks to checking Console.KeyAvailable first, the while loop is not blocked, but running until the Esc is pressed.
share
...
Regex - Should hyphens be escaped? [duplicate]
Hyphen is a special character in regex, for instance, to select a range, I could do something like:
3 Answers
...
Error handling in C code
...ct (or use a out pointer if struct is really large) and have a function to format the struct as a string.
– Winger Sendon
Sep 27 '18 at 22:50
...
How do you read from stdin?
...
You could use the fileinput module:
import fileinput
for line in fileinput.input():
pass
fileinput will loop through all the lines in the input specified as file names given in command-line arguments, or the standard input if no arguments are provided.
Note: line will co...
How can I rotate an HTML 90 degrees?
...
You need CSS to achieve this, e.g.:
#container_2 {
-webkit-transform: rotate(90deg);
-moz-transform: rotate(90deg);
-o-transform: rotate(90deg);
-ms-transform: rotate(90deg);
transform: rotate(90deg);
}
Demo:
#container_2 {
width: 100px;
height: 100px;
bor...
Convert string to symbol-able in ruby
...flections module that provides such methods. They're all worth looking at. For your example:
'Book Author Title'.parameterize.underscore.to_sym # :book_author_title
share
|
improve this answer
...