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How do I check if a number is a palindrome?
...rivial problem is that the int variable possibly might overflow.
Refer to http://articles.leetcode.com/palindrome-number/
boolean isPalindrome(int x) {
if (x < 0)
return false;
int div = 1;
while (x / div >= 10) {
div *= 10;
}
while (x != 0) {
int ...
Understanding how recursive functions work
...cles on simple recursive algorithms that you might find interesting; see
http://ericlippert.com/tag/recursion/
http://blogs.msdn.com/b/ericlippert/archive/tags/recursion/
Those are in newest-on-top order, so start from the bottom.
Second, so far all of the answers have described recursive seman...
Executing multiple commands from a Windows cmd script
... to execute the second command only if the first succeeds. More info here http://commandwindows.com/command1.htm
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Single vs double quotes in JSON
... trickier situation with nested quotes eg "{'link':'<a href="mylink">http://my.com</a>'}" ? In this case, ast.literal_eval throws syntax error
– alancalvitti
Apr 23 '19 at 16:04
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How to prevent a click on a '#' link from jumping to top of page?
...
You can use event.preventDefault() to avoid this. Read more here: http://api.jquery.com/event.preventDefault/.
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How to convert a double to long without casting?
... }
public static boolean isWhole(double specifiedNumber) {
// http://stackoverflow.com/questions/15963895/how-to-check-if-a-double-value-has-no-decimal-part
return (specifiedNumber % 1 == 0);
}
}
Long is a subset of Double, so you might get some strange results if you unkn...
Eclipse error: indirectly referenced from required .class files?
...l , and already working as a dependency in some references , when I made a http.csrf().disable().cors().disable().httpBasic().and().authorizeRequests() .antMatchers(PUBLIC_MATCHERS).permitAll().anyRequest().authenticated(); It broke down.Then I downloaded the jar file and import it the traditiona...
Mocking vs. Spying in mocking frameworks
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Reference: http://javapointers.com/tutorial/difference-between-spy-and-mock-in-mockito/
When using mock objects, the default behavior of the method when not stub is do nothing. Simple means, if its a void method, then it will do nothin...
ERROR: Error 1005: Can't create table (errno: 121)
...un an ALTER TABLE with certain constraint names.
According to the docs at http://dev.mysql.com/doc/refman/5.7/en/innodb-troubleshooting-datadict.html , you can search for these orphan tables with:
SELECT * FROM INFORMATION_SCHEMA.INNODB_SYS_TABLES WHERE NAME LIKE '%#sql%';
The version I was work...
Using MVC HtmlHelper extensions from Razor declarative views
...loration of the kind of ideas we're looking at to make this work properly: http://blogs.msdn.com/b/davidebb/archive/2010/10/27/turn-your-razor-helpers-into-reusable-libraries.aspx
Try that out and see what you think! Let David know if you have comments by posting on his blog.
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