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How to get config parameters in Symfony2 Twig Templates
...on%'
Twig template:
{{ version }}
This method provides the benefit of allowing you to use the parameter in ContainerAware classes as well, using:
$container->getParameter('app.version');
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How do I check if a string contains another string in Swift?
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Apple's documentation says: An NSRange structure giving the location and length in the receiver of the first occurrence of aString. Returns {NSNotFound, 0} if aString is not found or is empty (@""). So maybe just checking for...
Reset push notification settings for app
I am developing an app with push notifications. To check all possible ways of user interaction, I'd like to test my app when a user declines to have push notifications enabled for my app during the first start.
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C++ equivalent of java's instanceof
...nceof) you'd better ask yourself whether it's a necessary thing. It's generally a sign of poor design.
Typical workarounds is putting the special behaviour for the class you are checking for into a virtual function on the base class or perhaps introducing something like a visitor where you can int...
Detect application heap size in Android
How do you programmatically detect the application heap size available to an Android app?
9 Answers
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What permission do I need to access Internet from an Android application?
... internet for my apk. No permission added to manifest, but if i try to install apk, installation inform me, that apk need FULL INTERNET ACCESS. How to solve this problem ? no permissions added to manifest. My apk not required full internet access - i want disable this permision.
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记录一些Mac OS X技巧 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...的速度：
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.dynamic_pager.plist
禁用以后，磁盘上还保留着这些交换文件，它们已经没用了，也可以删掉：
sudo rm /private/var/vm/swapfile*
如果要重新启用虚拟内存的话，可以执行这条...
Debugging App When Launched by Push Notification
... currently developing an app that receives Push Notifications. I have this all working 100% through a PHP page. There are several different types of push notifications my app can receive. The PHP handles this and sends different packets of information to my app which are all received just fine.
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One Activity and all other Fragments [closed]
I am thinking of implementing one screen with Activity and all other sreens with Fragments and managing all the fragments thru the activity .
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String, StringBuffer, and StringBuilder
...o, using String for logic operations is rather slow, and is not advised at all, since the JVM converts the String to a StringBuffer in the bytecode. A lot of overhead is wasted converting from String to StringBuffer and then back to String again.
– Pieter van Niekerk
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