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How to check internet access on Android? InetAddress never times out
...got a AsyncTask that is supposed to check the network access to a host name. But the doInBackground() is never timed out. Anyone have a clue?
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Resolving javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path
...ificate for App2 to the truststore file of the used JVM located at %JAVA_HOME%\lib\security\cacerts.
First you can check if your certificate is already in the truststore by running the following command:
keytool -list -keystore "%JAVA_HOME%/jre/lib/security/cacerts" (you don't need to provide a pas...
Redirect STDERR / STDOUT of a process AFTER it's been started, using command line?
...opening your tty (i.e. logging off and back on, which may also terminate some of your background processes in the process) you only have one choice left:
attach to the process in question using gdb, and run:
p dup2(open("/dev/null", 0), 1)
p dup2(open("/dev/null", 0), 2)
detach
quit
e.g.:
$...
.gitignore exclude files in directory but not certain directories
... and only the .gitignore file in each directory will get added -- but this means the directories will now be tracked (i.e., created when cloning).
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How should I write tests for Forms in Django?
...class MyTests(TestCase):
def test_forms(self):
form_data = {'something': 'something'}
form = MyForm(data=form_data)
self.assertTrue(form.is_valid())
... # other tests relating forms, for example checking the form data
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AngularJS - Value attribute on an input text box is ignored when there is a ng-model used?
Using AngularJS if I set a simple input text box value to something like "bob" below. The value does not display if the ng-model attribute is added.
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Stop Mongoose from creating _id property for sub-document array items
If you have subdocument arrays, Mongoose automatically creates ids for each one. Example:
6 Answers
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What's the best way to model recurring events in a calendar application?
...ation that needs to support recurring events, but all the solutions I've come up with to handle these events seem like a hack. I can limit how far ahead one can look, and then generate all the events at once. Or I can store the events as repeating and dynamically display them when one looks ahead on...
Linear Regression and group by in R
...a linear regression in R using the lm() function. My data is an annual time series with one field for year (22 years) and another for state (50 states). I want to fit a regression for each state so that at the end I have a vector of lm responses. I can imagine doing for loop for each state then do...
Flexbox: center horizontally and vertically
...
I think you want something like the following.
html, body {
height: 100%;
}
body {
margin: 0;
}
.flex-container {
height: 100%;
padding: 0;
margin: 0;
display: -webkit-box;
display: -moz-box;
dis...