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What's the best way to share data between activities?
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Here a compilation of most common ways to achieve this:
Send data inside intent
Static fields
HashMap of WeakReferences
Persist objects (sqlite, share preferences, file, etc.)
TL;DR: there are two ways of sharing data: passing d...
PostgreSQL ERROR: canceling statement due to conflict with recovery
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How to extract the file name from URI returned from Intent.ACTION_GET_CONTENT?
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developer.android.com has nice example code for this:
https://developer.android.com/guide/topics/providers/document-provider.html
A condensed version to just extract the file name (assuming "this" is an Activity):
public String getFileName(U...
How to get a number of random elements from an array?
...d suggest using Python's implementation if you are going for speed: jsperf.com/pick-random-elements-from-an-array
– Derek 朕會功夫
Aug 7 '17 at 23:29
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Frame Buster Buster … buster code needed
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edited Jun 20 at 9:12
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answered Jun 18 '09 at 13:21
HugowareHugoware
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Error installing mysql2: Failed to build gem native extension
... replaced by ruby-mysql. This is where I found the solution.
If the above command doesn't work because libmysql-ruby cannot be found, the following should be sufficient:
sudo apt-get install libmysqlclient-dev
On Red Hat/CentOS and other distributions using yum:
sudo yum install mysql-devel
O...
Reading a binary file with python
... Can you please have look at this other post? stackoverflow.com/questions/8092469/… ... I am again to read another binary file, but in this case I don't know the byte structure in details. For example, I figured out that sometimes there is the integer 8. However, with IDL it is real...
Postgres: “ERROR: cached plan must not change result type”
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Is \d not supported by grep's basic expressions?
This does not generate any output. How come?
2 Answers
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