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Is there a way to detect if a browser window is not currently active?
...ecommendation status thanks to the W3C. The Page Visibility API (on MDN) now allows us to more accurately detect when a page is hidden to the user.
document.addEventListener("visibilitychange", onchange);
Current browser support:
Chrome 13+
Internet Explorer 10+
Firefox 10+
Opera 12.10+ [read...
Keyword not supported: “data source” initializing Entity Framework Context
...
Thanks Its Working now
– Shivam Srivastava
Nov 29 '13 at 10:10
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Equivalent of LIMIT and OFFSET for SQL Server?
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Old now. Sql Server 2012 and later support OFFSET/FETCH
– Joel Coehoorn
Sep 17 '13 at 3:06
31
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How to post pictures to instagram using API
...
Update:
Instagram are now banning accounts and removing the images based on this method. Please use with caution.
It seems that everyone who has answered this question with something along the lines of it can't be done is somewhat correct. Offi...
Does my application “contain encryption”?
...
[UPDATE: Using HTTPS is now exempt from the ERN as of late September, 2016]
https://stackoverflow.com/a/40919650/4976373
Unfortunately, I believe that your app "contains encryption" in terms of US BIS even if you just use HTTPS (if your app is no...
Java string to date conversion
...UR_OF_DAY));
Then you can manipulate that with something like:
Calendar now = Calendar.getInstance();
mydate.set(Calendar.YEAR,2009);
mydate.set(Calendar.MONTH,Calendar.FEBRUARY);
mydate.set(Calendar.DAY_OF_MONTH,25);
mydate.set(Calendar.HOUR_OF_DAY,now.get(Calendar.HOUR_OF_DAY));
mydate.set(Cale...
How do I expire a PHP session after 30 minutes?
...of the last activity of the user but update that value with every request. Now if the difference of that time to the current time is larger that 1800 seconds, the session has not been used for more than 30 minutes.
– Gumbo
Aug 9 '10 at 16:37
...
Equation (expression) parser with precedence?
...l, you actually have a hope at scaling up later, showing other people you know that parsers are the domain of parsing tools.
Update:
People here have offered much sound advice. My only warning against skipping the parsing tools or just using the Shunting Yard algorithm or a hand rolled recursive...
NVIDIA vs AMD: GPGPU performance
... in scientific computing), tilt the balance in favor of CUDA (at least for now).
EDIT Jan 12, 2013
It's been two years since I made this post and it still seems to attract views sometimes. So I have decided to clarify a few things
AMD has stepped up their game. They now have both BLAS and FFT ...
This IP, site or mobile application is not authorized to use this API key
...rlatitude,yourlongitude&radius=5000&sensor=true&key=SERVERKEY
Now, to obtain the server key, just follow these steps:
1) Go to Developer Console https://code.google.com/apis/console/
2) In the Credentials, under Public API Access, Create New key
3) Select the server key from the opti...