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Maximum Java heap size of a 32-bit JVM on a 64-bit OS
...nters cannot use more than 4 Gb (since that is the 32 bit limit which also applies to pointers). This includes Sun and - I'm pretty sure - also IBM implementations. I do not know if e.g. JRockit or others have a large memory option with their 32-bit implementations.
If you expect to be hitting th...
How to avoid isset() and empty()
I have several older applications that throw a lot of "xyz is undefined" and "undefined offset" messages when running on the E_NOTICE error level, because the existence of variables is not explicitly checked using isset() and consorts.
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get path for my .exe [duplicate]
...EntryAssembly().Location gives the path with "file://" - What I needed was AppDomain.CurrentDomain.BaseDirectory
– user799821
Feb 27 '12 at 7:51
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Change color of UISwitch in “off” state
I've learned that we can change the UISwitch button appearance in its "on" state,
but is it also possible to change the color of the UISwitch in the "off" state?
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Can Selenium Webdriver open browser windows silently in background?
...g Selenium web driver with Python,you can use PyVirtualDisplay, a Python wrapper for Xvfb and Xephyr.
PyVirtualDisplay needs Xvfb as a dependency. On Ubuntu, first install Xvfb:
sudo apt-get install xvfb
then install PyVirtualDisplay from Pypi:
pip install pyvirtualdisplay
Sample Selenium scr...
Simplest PHP example for retrieving user_timeline with Twitter API version 1.1
...a free and necessary step to make requests for the v1.1 API.
2. Create an application: Create an application on the Twitter developer site
What? You thought you could make unauthenticated requests? Not with Twitter's v1.1 API.
You need to visit http://dev.twitter.com/apps and click the "Create App...
NSObject +load and +initialize - What do they do?
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}
This program prints two lines of output:
2012-11-10 16:18:38.984 testApp[7498:c07] in Superclass initialize; self = Superclass
2012-11-10 16:18:38.987 testApp[7498:c07] in Superclass initialize; self = Subclass
Since the system sends the initialize method lazily, a class won't receive the me...
Get individual query parameters from Uri [duplicate]
...exact collectiontype you are looking for, but nevertheless useful.
Edit: Apparently, if you supply the complete url to ParseQueryString it will add 'http://example.com/file?a' as the first key of the collection. Since that is probably not what you want, I added the substring to get only the releva...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...Fold.
Conclusion
There is a difference between reduce and fold even when applied to non-empty sequences. The former is defined as part of the MapReduce programming paradigm on collections with arbitrary order (http://theory.stanford.edu/~sergei/papers/soda10-mrc.pdf) and one ought to assume operat...
Displaying files (e.g. images) stored in Google Drive on a website
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However, apparently this URL (at least the "view" one) only works when the user viewing it is logged in to Google (Drive?). In an anonymous browsing window, I received a login page instead of the (publicly shared) image I requested.
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