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Can Retrofit with OKHttp use cache data when offline
... if (Utils.isNetworkAvailable(context)) {
int maxAge = 60; // read from cache for 1 minute
return originalResponse.newBuilder()
.header("Cache-Control", "public, max-age=" + maxAge)
.build();
} else {
int maxStale =...
Writing to an Excel spreadsheet
I am new to Python. I need to write some data from my program to a spreadsheet. I've searched online and there seem to be many packages available (xlwt, XlsXcessive, openpyxl). Others suggest to write to a .csv file (never used CSV and don't really understand what it is).
...
Functional design patterns [closed]
...
My suggestion is, if you want to learn Scala, to read the book from Paul Chiusano and Runar Bjarnason:
http://manning.com/bjarnason/
Part II: Functional design and combinator libraries
Making little languages
JSON serialization
Specification-based testing
Parsers
...
Why should I use var instead of a type? [duplicate]
... developers wouldn't stop complaining about it. My defense was if they had read and understood the code it didn't make any difference.I think it actually make things easier; if you refactor code and the types change you don't have to update your references to the whatever you've refactored if it cha...
How to sparsely checkout only one single file from a git repository?
...true)
adding what you want to see in the .git/info/sparse-checkout file
re-reading the working tree to only display what you need
To re-read the working tree:
$ git read-tree -m -u HEAD
That way, you end up with a working tree including precisely what you want (even if it is only one file)
...
What is the correct SQL type to store a .Net Timespan with values > 24:00:00?
...tetime or datetimeoffset, that stores the result of first date + timespan. Reading from the db is a matter of TimeSpan x = SecondDate - FirstDate. Using this option will protect you for other non .NET data access libraries access the same data but not understanding TimeSpans; in case you have such a...
How to handle configuration in Go [closed]
...ibrary offers methods to write the data structure indented, so it is quite
readable.
See also this golang-nuts thread.
The benefits of JSON are that it is fairly simple to parse and human readable/editable
while offering semantics for lists and mappings (which can become quite handy), which
is not...
How can I format my grep output to show line numbers at the end of the line, and also the hit count?
...
new linux user is lazy of reading man page. But if they use linux enough, they will be used to it :) It's super useful :)
– Dzung Nguyen
Jun 12 '12 at 14:04
...
Fetch frame count with ffmpeg
...ffprobe -v error -count_frames -select_streams v:0 -show_entries stream=nb_read_frames -of default=nokey=1:noprint_wrappers=1 input.mkv
This is a slow method.
Add the -skip_frame nokey option to only count key frames.
ffmpeg: Count the number of frames
If you do not have ffprobe you can use ff...
What is the difference between the | and || or operators?
...dition2 | condition3)
This will check conditions 2 and 3, even if 1 is already true. As your conditions can be quite expensive functions, you can get a good performance boost by using them.
There is one big caveat, NullReferences or similar problems. For example:
if(class != null && clas...