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What does send() do in Ruby?
... variable before send, that means that the global Object is used:
send :to_s # "main"
send :class # Object
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The forked VM terminated without saying properly goodbye. VM crash or System.exit called
... edited Aug 27 '18 at 7:30
s__
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answered Aug 27 '18 at 6:41
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Unsubscribe anonymous method in C#
...approach:
public class SomeClass
{
private readonly IList<Action> _eventList = new List<Action>();
...
public event Action OnDoSomething
{
add {
_eventList.Add(value);
}
remove {
_eventList.Remove(value);
}
}
}
Override the event add/remove met...
Renaming columns in pandas
...e the name of the first variable of df. Then you can do something like: new_columns = df.columns.values; new_columns[0] = 'XX'; df.columns = new_columns
– cd98
Nov 20 '13 at 14:18
...
Eclipse Kepler for OS X Mavericks request Java SE 6
...ymlink (details):
sudo mkdir -p /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/bundle/Libraries
sudo ln -s /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/jre/lib/server/libjvm.dylib /Library/Java/JavaVirtualMachines/jdk1.8.0_*.jdk/Contents/Home/bundle/Libraries/
sudo...
More elegant way of declaring multiple variables at the same time
...ension, but here's a very readable implementation:
>>> def invert_dict(inverted_dict):
... elements = inverted_dict.iteritems()
... for flag_value, flag_names in elements:
... for flag_name in flag_names:
... yield flag_name, flag_value
...
>>> flags =...
Can I set max_retries for requests.request?
...
s = requests.Session()
s.mount('http://stackoverflow.com', HTTPAdapter(max_retries=5))
The max_retries argument takes an integer or a Retry() object; the latter gives you fine-grained control over what kinds of failures are retried (an integer value is turned into a Retry() instance which only ha...
Retrieve database or any other file from the Internal Storage using run-as
... databases.tar
adb exec-out run-as debuggable.app.package.name tar c shared_prefs/ > shared_prefs.tar
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How to parse the AndroidManifest.xml file inside an .apk package
...a Python (or whatever) script?
Through the aapt (http://elinux.org/Android_aapt), indeed, you can retrieve information about the .apk package and about its AndroidManifest.xml file. In particular, you can extract the values of individual elements of an .apk package through the 'dump' sub-command. F...
What characters are allowed in an email address?
... A to Z and a to z;
digits 0 to 9;
special characters !#$%&'*+-/=?^_`{|}~;
dot ., provided that it is not the first or last character unless quoted, and provided also that it does not appear consecutively unless quoted (e.g. John..Doe@example.com is not allowed but "John..Doe"@example.com ...