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Learning about LINQ [closed]
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Get the book Linq in Action it is an easy read for a coding book and really teaches you how to use Linq and the new features of .NET 3.5 some of the cool parts they put in for the language.
s...
Download attachments using Java Mail
...FileOutputStream(f);
byte[] buf = new byte[4096];
int bytesRead;
while((bytesRead = is.read(buf))!=-1) {
fos.write(buf, 0, bytesRead);
}
fos.close();
attachments.add(f);
}
}
...
How to execute file I'm editing in Vi(m)
... it allows launching sequence of commands that are connected with pipe and read stdout.
For example:
! node %
is equivalent to opening command prompt window and launching commands:
cd my_current_directory
node my_current_file
See "Vim tips: Working with external commands" for details.
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How do I convert dates in a Pandas data frame to a 'date' data type?
...iles, in which case you can simply convert the date during the initial CSV read:
dfcsv = pd.read_csv('xyz.csv', parse_dates=[0]) where the 0 refers to the column the date is in.
You could also add , index_col=0 in there if you want the date to be your index.
See https://pandas.pydata.org/pandas-do...
Parcelable encountered IOException writing serializable object getactivity()
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I just had read the caused by, did'nt knew this for almost 3 years developing.
– Sterling Diaz
Mar 19 '15 at 15:17
1...
Why doesn't await on Task.WhenAll throw an AggregateException?
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I don't exactly remember where, but I read somewhere that with new async/await keywords, they unwrap the AggregateException into the actual exception.
So, in catch block, you get the actual exception and not the aggregated one. This helps us write more natural an...
Difference between Java SE/EE/ME?
...ng intellisense and autocompletion is an invaluable aid for a programmer already knowing other ecosystems to became familiar with the new environment.
– Felice Pollano
Mar 22 '15 at 7:29
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How do I design a class in Python?
...ing like:
dog.footstep(0)
Now, it may be that for your case you need to read in your raw data file and compute the footstep locations. All this could be hidden in the footstep() function so that it only happens once. Something like:
class Dog:
def __init__(self):
self._footsteps=None
...
How can I create tests in Android Studio?
...w project and you will see the following default folders.
Everything is already there and waiting for you to create your tests. It's all set up already!
How to create local unit tests
Open the ExampleUnitTest file shown in the image above. it should look something like this:
public class ExampleUni...
Docker and securing passwords
...) or --env-file argument (for multiple variables in a file) to docker run. Read this for using environmental with docker-compose.
Using --env-file is definitely a safer option since this protects against the secrets showing up in ps or in logs if one uses set -x.
However, env vars are not particul...