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Check string for palindrome
...the end is done.
public static void main(String[] args) {
for (String testStr : Arrays.asList("testset", "none", "andna", "haah", "habh", "haaah")) {
System.out.println("testing " + testStr + " is palindrome=" + isPalindrome(testStr));
}
}
public static boolean isPalindrome(String ...
What's the fastest way to convert String to Number in JavaScript?
...as I know.
Number(x);
parseInt(x, 10);
parseFloat(x);
+x;
By this quick test I made, it actually depends on browsers.
http://jsperf.com/best-of-string-to-number-conversion/2
Implicit marked the fastest on 3 browsers, but it makes the code hard to read… So choose whatever you feel like it!
...
Take a screenshot of a webpage with JavaScript?
...
wonder if SVG would help, might have to look at Google's source
– Luke Stanley
Jul 12 '11 at 17:14
1
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Python's time.clock() vs. time.time() accuracy?
...me() but exists also with time.clock(), so you should never run one timing test only, but always run a series of test and look at mean/variance of the times.
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How do I copy to the clipboard in JavaScript?
...ity prompts.
Text is read from the DOM and placed on the clipboard.
During testing ~April 2015 only Internet Explorer was noted as displaying permissions prompts whilst writing to the clipboard.
Overriding the copy event
See Clipboard API documentation on Overriding the copy event.
Allows you to ...
Java 8 NullPointerException in Collectors.toMap
...ault non-overloaded version instead. Maybe merge is faster, but I have not tested.
– Brett Ryan
Oct 19 '15 at 12:59
1
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How to reference generic classes and methods in xml documentation
...t completely resolves.
If the method in the OP were in a namespace called Test, the completely resolved link to the method shown would be:
<see cref="M:Test.FancyClass`1.FancyMethod``1(`0)"/>
As you may be able to work out, there should only be one backtick before the number of class type p...
How to simulate a higher resolution screen? [closed]
Is there any way for the browser to test my websites in resolutions that are higher than my screens?
9 Answers
...
How to run `rails generate scaffold` when the model already exists?
... available to you.
Rails:
controller
generator
helper
integration_test
mailer
migration
model
observer
performance_test
plugin
resource
scaffold
scaffold_controller
session_migration
stylesheets
If you'd like to generate a controller scaffold for your model, see scaf...
How to select rows that have current day's timestamp?
...o show the difference that this makes on the actual execution plans, we'll test with an SQL-Fiddle (an extremely helpful site):
CREATE TABLE test --- simple table
( id INT NOT NULL AUTO_INCREMENT
,`timestamp` datetime --- index timestamp
, d...