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Test if a vector contains a given element
...x is which(v == b) or any other logical operator. In this case, the return from this would be 2. If v were c("b", "b", "c", "b", "d"), the return to which(v == b) would be 1, 2, 4.
– khtad
Jun 26 at 21:33
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Get the last item in an array
... anArray.pop();
Important : This returns the last element and removes it from the array
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What is the source code of the “this” module doing?
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@OllieFord: As a joke. Everything the module does, from obfuscating the source code to implementing rot13 from scratch even though it's built into the stdlib, directly violates the Zen of Python. Tim Peters also snuck some subtle jokes into the Zen itself (notice the dashes o...
Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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This solution is used in / taken from Jquery library $.isNumeric(obj) api.jquery.com/jquery.isnumeric
– ThdK
Jan 12 '15 at 12:12
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Is the C# static constructor thread safe?
...ception, forgetting to call Release), next time this Singleton is accessed from a different thread it will deadlock in Singleton.Acquire().
– Milan Gardian
Jun 25 '09 at 13:16
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Android Closing Activity Programmatically
What is the equivalent operation within an activity to navigating away from the screen. Like when you press the back button, the activity goes out of view. How can this be called from inside an activity so that it closes itself.
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WCF service startup error “This collection already contains an address with scheme http”
...ally found one which details how to do it in .net 3.0 and .net 3.5.
Taken from the site, below is an example of how to alter your applications web config:
<system.serviceModel>
<serviceHostingEnvironment>
<baseAddressPrefixFilters>
<add prefix="net.tcp:...
git checkout tag, git pull fails in branch
...ame problem and fixed it with this command:
$ git push -u origin master
From the help file the -u basically sets the default for pulls:
-u, --set-upstream`
For every branch that is up to date or successfully pushed, add
upstream (tracking) reference, used by argument-less git-pull(1) and
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Best way to create enum of strings?
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Custom String Values for Enum
from http://javahowto.blogspot.com/2006/10/custom-string-values-for-enum.html
The default string value for java enum is its face value, or the element name. However, you can customize the string value by overriding toString(...
How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
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This is an old question, yet I had the same problem when moving from JDK 1.8.0_144 to jdk 1.8.0_191
We found a hint in the changelog:
Changelog
we added the following additional system property, which helped in our case to solve this issue:
-Dcom.sun.jndi.ldap.object.disableEndpointId...