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Oracle SELECT TOP 10 records
...current query in subquery as below :
SELECT * FROM (
SELECT DISTINCT
APP_ID,
NAME,
STORAGE_GB,
HISTORY_CREATED,
TO_CHAR(HISTORY_DATE, 'DD.MM.YYYY') AS HISTORY_DATE
FROM HISTORY WHERE
STORAGE_GB IS NOT NULL AND
APP_ID NOT IN (SELECT APP_ID FROM HISTORY WHERE TO_CHAR(...
How to solve error message: “Failed to map the path '/'.”
...searched and searched on Google, and I can't find anything that even seems applicable to my situation, let alone solves the problem. It doesn't matter which address in my website I try to navigate to (even addresses that don't exist give this error instead of a 404), I get the exact same message (th...
Good examples of MVVM Template
...azine article where the concepts are similar but uses a slightly different approach and still lack in any complexity. Are there any decent MVVM examples that at least show basic CRUD operations and dialog/content switching?
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Android - Back button in the title bar
In many apps (Calendar, Drive, Play Store) when you tap a button and enter a new activity, the icon in the title bar turns into a back button, but for the app I am making, it doesn't do that. How do I make that icon take you back to the previous screen?
...
Animate the transition between fragments
... work, but the others in /res/animator give errors. And none of those even appear to be for sliding in and sliding out. I've tried to write my own xml's to do this, but all I end up with is fragments on top of fragments. Some more help please?
– Dave MacLean
Fe...
How to detect if app is being built for device or simulator in Swift
In Objective-C we can know if an app is being built for device or simulator using macros:
20 Answers
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Android应用开发性能优化完全分析 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...种流畅的帧率规定为60fps。
有了上面的背景，我们开发App的帧率性能目标就是保持在60fps，也就是说我们在进行App性能优化时心中要有如下准则：
换算关系：60帧/秒-----------16ms/帧；
准则：尽量保证每次在16ms内处理完所有的...
do you have kcachegrind like profiling tools for mac [closed]
... Protection: sudo ln -s /usr/local/bin/dot /usr/bin/dot Workaround: $ cd /Applications/qcachegrind.app/Contents/MacOS $ mv qcachegrind qcachegrind.bin $ echo ‘#!/bin/bash export PATH=”$PATH:/usr/local/bin” $(dirname $0)/qcachegrind.bin exit 0’ > qcachegrind $ chmod +x qcachegrind Then s...
Separate REST JSON API server and client? [closed]
I'm about to create a bunch of web apps from scratch. (See http://50pop.com/code for overview.) I'd like for them to be able to be accessed from many different clients: front-end websites, smartphone apps, backend webservices, etc. So I really want a JSON REST API for each one.
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How to change Android version and code version number?
...version and code version number Android Studio? I want to change apk file (app) on Google Play and I need to change Android version and code version number. I tried with this in AndroidManifest.xml file in Android Studio:
...