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How to get users to read error messages?
...risk that users will not read your carefully worded and enlightening error messages, but just click on the first button available with a shrug of frustration.
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When to call activity context OR application context?
...() and only when you need to use getApplicationContext().
To be blunt, "some programmers" use getApplicationContext() (or getBaseContext(), to a lesser extent) because their Java experience is limited. They implement an inner class (e.g., an OnClickListener for a Button in an Activity) and need a C...
How do I print the type of a variable in Rust?
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If you merely wish to find out the type of a variable and are willing to do it at compile time, you can cause an error and get the compiler to pick it up.
For example, set the variable to a type which doesn't work:
let mut my_numb...
Android “Only the original thread that created a view hierarchy can touch its views.”
...e music player in Android. The view for each song contains a SeekBar, implemented like this:
27 Answers
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Is it possible to start a shell session in a running container (without ssh)
...er to this question was:
If you really must and you are in a debug environment, you can do this: sudo lxc-attach -n <ID>
Note that the id needs to be the full one (docker ps -notrunc).
However, I strongly recommend against this.
notice: -notrunc is deprecated, it will be replaced by --no-tr...
How can I clear an HTML file input with JavaScript?
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How about removing that node, creating a new one with the same name?
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Useless use of cat?
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I was not aware of the award until today when some rookie tried to pin the UUOC on me for one of my answers. It was a cat file.txt | grep foo | cut ... | cut .... I gave him a piece of my mind, and only after doing so visited the link he gave me referring to the origins of...
Serializing class instance to JSON
...olution would be to make your class inherit from JSONEncoder and then implement the JSONEncoder.default() function, and make that function emit the correct JSON for your class.
A simple solution would be to call json.dumps() on the .__dict__ member of that instance. That is a standard Python dict ...
Is it possible to break a long line to multiple lines in Python [duplicate]
...ry, you
can add an extra pair of parentheses around an expression, but sometimes
using a backslash looks better. Make sure to indent the continued line
appropriately.
Example of implicit line continuation:
a = some_function(
'1' + '2' + '3' - '4')
On the topic of line-breaks around...
Interfacing with structs and anonymous unions with c2hs
...ing this chunk of C code in a .chs file so that c2hs can transform it to something relatively nice?
1 Answer
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