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Convert Go map to json
...; it is forbidden. Instead, you can convert these values to strings beforehand, for instance using strconv.Itoa.
See this post for more details: https://stackoverflow.com/a/24284721/2679935
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Set margins in a LinearLayout programmatically
...va ( not XML ) to create a LinearLayout with buttons that fill the screen, and have margins. Here is code that works without margins:
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How to determine the screen width in terms of dp or dip at runtime in Android?
I need to code the layout of the android widgets using dip/dp (in java files). At runtime if I code,
int pixel=this.getWindowManager().getDefaultDisplay().getWidth() ;
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How to un-escape a backslash-escaped string?
...on literal structures: strings, numbers, tuples, lists,
dicts, booleans, and None. (END)
Like this:
>>> import ast
>>> escaped_str = '"Hello,\\nworld!"'
>>> print ast.literal_eval(escaped_str)
Hello,
world!
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How to hide one item in an Android Spinner
I am looking for a way to hide one item in an Android spinner widget. This would allow you to simulate a spinner with no items selected, and ensures that the onItemSelected() callback is always called for every item selected (if the hidden item is the "current" one). Normally there is always one ite...
Make Heroku run non-master Git branch
I have a project hosted on Heroku and it's gotten to the point where I want to make an alternate test server (so I can test Heroku workers without messing up production).
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What is “String args[]”? parameter in main method Java
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In Java args contains the supplied command-line arguments as an array of String objects.
In other words, if you run your program as java MyProgram one two then args will contain ["one", "two"].
If you wanted to output the contents of args, you can just loop thro...
Disable Visual Studio devenv solution save dialog
...osoft shared\MSEnv\VSLauncher.exe" > Properties > Compatibility > and set "Run this program as an administrator", double-clicking a VS2010 and VS2012 sln files in Windows Explorer works as expected. I also did the same for "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\de...
Testing the type of a DOM element in JavaScript
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if you want to get really creative, you can use a dictionary of tagnames and anonymous closures instead if a switch or if/else.
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A list of indices in MongoDB?
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And if you want to get list of all indexes in your database:
use "yourdbname"
db.system.indexes.find()
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