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What's an easy way to read random line from a file in Unix command line?
... therefore won't necessarily be available (by default) on *BSD systems (or Mac?). @Tracker1's perl one-liner below is more portable (and by my tests, is slightly faster).
– Adam Katz
Dec 19 '14 at 21:49
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Encrypt and decrypt a string in C#?
...standard .net crypto libraries. So the first example uses AES256 and then HMAC256, a two step Encrypt then MAC, which requires more overhead and more keys.
The second example uses the simpler practice of AES256-GCM using the open source Bouncy Castle (via nuget).
Both examples have a main function...
How to check if an app is installed from a web-page on an iPhone?
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There are new ways of implementing this now in both Android and iOS. Take a look at Android App Links and iOS Universal Links
– maledr53
Dec 15 '17 at 18:38
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Is it possible to force Excel recognize UTF-8 CSV files automatically?
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The Mac version of Excel seems to still ignore the BOM. (Excel for Mac 2011.)
– Thomas Andrews
Mar 27 '17 at 18:23
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How to change time and timezone in iPhone simulator?
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Oh... change it in your machine's system preferences, not the simulator's settings. Right. That worked!
– Vito Andolini
Jul 23 '12 at 21:43
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中文网（自研/维护）拓展 · App Inventor 2 中文网
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CreateShortcut(name,icon,packageName,duplicate)
在 Android 手机桌面上创建快捷方式。
Sidebar
Component for Sidebar
属性
None
事件
AfterSelecting(itemPosition,itemValue,iconCode)
菜...
Android, How can I Convert String to Date?
I store current time in database each time application starts by user.
6 Answers
6
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What arguments are passed into AsyncTask?
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Google's Android Documentation Says that :
An asynchronous task is defined by 3 generic types, called Params, Progress and Result, and 4 steps, called onPreExecute, doInBackground, onProgressUpdate and onPostExecute.
AsyncTask's gen...
Python mysqldb: Library not loaded: libmysqlclient.18.dylib
I just compiled and installed mysqldb for python 2.7 on my mac os 10.6. I created a simple test file that imports
15 Answe...
How to get hosting Activity from a view?
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In Android 7+ the view does not have access to the enclosing activity anymore, so view.getContext() can't be cast to an Activity anymore.
Instead, the code below works in Android 7+ and 6:
private static Activity getActivity(f...