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Android. Fragment getActivity() sometimes returns null
...agment manager already has this fragment's instance and you need to get it from fragment manager and pass it to the adapter.
UPDATE
Also, it is a good practice when using fragments to check isAdded before getActivity() is called. This helps avoid a null pointer exception when the fragment is detac...
wildcard ssl on sub-subdomain [closed]
...for *.example.net will match sub.example.net but not sub.sub.example.net.
From RFC 2818:
Matching is performed using the matching rules specified by
RFC2459. If more than one identity of a given type is present in
the certificate (e.g., more than one dNSName name, a match in any one
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How to convert FileInputStream to InputStream? [closed]
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You would typically first read from the input stream and then close it. You can wrap the FileInputStream in another InputStream (or Reader). It will be automatically closed when you close the wrapping stream/reader.
If this is a method returning an InputS...
Best practice for instantiating a new Android Fragment
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From the developer docs, instantiate() Creates a new instance of a Fragment with the given class name. This is the same as calling its empty constructor.
– Brian Bowman
Feb 9 '14 at 16:1...
Can I incorporate both SignalR and a RESTful API?
...really sped up the page considerably and reduced a lot of the server calls from the page.
3 Answers
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what happens when you type in a URL in browser [closed]
Can somebody tell me what all happens behind the scenes from the time I type in a URL in the browser to the time when I get to see the page on the browser? A detailed account of the process would be of great help.
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How to read file contents into a variable in a batch file?
This batch file releases a build from TEST to LIVE. I want to add a check constraint in this file that ensures there is an accomanying release document in a specific folder.
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Git merge without auto commit
... cycle seemed to return everything to normal; with just the modified files from the target branch in place as intended, and no longer a MERGING status.
– MoonLite
Aug 15 '17 at 14:49
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Piping command output to tee but also save exit code of command [duplicate]
...e variable is ephemeral, so even "echo"-ing it out will lose you the value from running the pipeline. Assign it to another variable unless you will access it immediately, and only once.
– Davor Cubranic
Sep 12 at 1:49
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Class JavaLaunchHelper is implemented in both. One of the two will be used. Which one is undefined [
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From what I've found online, this is a bug introduced in JDK 1.7.0_45. It appears to also be present in JDK 1.7.0_60. A bug report on Oracle's website states that, while there was a fix, it was removed before the JDK was rele...