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Shortest way to print current year in a website
...tFullYear() may look a bit odd, but it's reliable: the new Date() part is done first, then the .getFullYear().
You can drop the type, because JavaScript is the default; this is even documented as part of the HTML5 specification, which is likely in this case to be writing up what browsers already do....
How to use random in BATCH script?
...th:
set /a num=%random% %%100
- will produce number between 0~99.
This one:
set /a num=%random% %%100 +1
- will produce number between 1~100.
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What does void mean in C, C++, and C#?
... and why it is called void. The intention of the question is to assist someone who has no C experience, and is suddenly looking at a C-based codebase.
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CSS Classes & SubClasses
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I don't really use subclasses myself......can anyone give me a reason where this would be necessary?
– patricksweeney
Feb 18 '09 at 4:12
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Check if a variable is a string in JavaScript
...to use and easier to read.
Either function will handle the case DRAX mentioned... that is, they both check if (A) the variable is a string literal or (B) it's an instance of the String object. In either case, these functions correctly identify the value as being a string.
lodash / Underscore.js
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One line if-condition-assignment
...he assignment must actually return something.
As others have already mentioned, you could do this, but it's bad because you'll probably just end up confusing yourself when reading that piece of code the next time:
if someBoolValue: num1=20
I'm not a big fan of the num1 = someBoolValue and 20 or ...
How does facebook, gmail send the real time notification?
...s using the comet approach, rather than polling on an interval, as soon as one poll completes, it issues another one. However, each request to the script on the server has an extremely long timeout, and the server only responds to the request once something has happened. You can see this happening...
Activity has leaked window that was originally added
...o show a Dialog after you've exited an Activity.
[EDIT]
This question is one of the top search on google for android developer,
therefore Adding few important points from comments, which might be more helpful for future investigator without going in depth of comment conversation.
Answer 1 :
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How to select the first element with a specific attribute using XPath
... books from 'US'. (/bookstore/book[@location='US'])[1] will get the first one.
– Kevin Driedger
Apr 17 '12 at 19:39
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How do I format a long integer as a string without separator in Java?
...this with MessageFormat properties injection. Good thing there's more than one way to do it!
– Philihp Busby
Oct 20 '11 at 2:27
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