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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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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....
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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How to list all installed packages and their versions in Python?
...eze > requirements.txt, but not pip freeze.
– jsalonen
Oct 17 '12 at 17:56
3
WOW: Just looked ...
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
2
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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...
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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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
3
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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
3
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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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