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Android 4.3 Bluetooth Low Energy unstable
...sting on the Nexus 4). After getting started with the official BLE APIs in Android 4.3, I have noticed that after I connect a device for the first time I am rarely able to successfully connect to / communicate with that device or any other device again.
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When to use the brace-enclosed initializer?
...n is not available, see if brace initialization has the correct semantics, and if so, use that; otherwise use parenthesis initialization (if that is also not available, you're out of luck anyway).
If the values you are initializing with are a list of values to be stored in the object (like the eleme...
How to get a random number in Ruby
How do I generate a random number between 0 and n ?
17 Answers
17
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How do I reload .bashrc without logging out and back in?
If I make changes to .bashrc , how do I reload it without logging out and back in?
17 Answers
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What is the best open XML parser for C++? [duplicate]
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How about RapidXML? RapidXML is a very fast and small XML DOM parser written in C++. It is aimed primarily at embedded environments, computer games, or any other applications where available memory or CPU processing power comes at a premium. RapidXML is licensed under ...
What is a JavaBean exactly?
I understood, I think, that a "Bean" is a Java class with properties and getters/setters. As much as I understand, it is the equivalent of a C struct. Is that true?
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Allow user to select camera or gallery for image
...ager with PackageManager.queryIntentActivities() for both original intents and create the final list of possible Intents with one new Intent for each retrieved activity like this:
List<Intent> yourIntentsList = new ArrayList<Intent>();
List<ResolveInfo> listCam = packageManager.q...
find -exec cmd {} + vs | xargs
Which one is more efficient over a very large set of files and should be used?
3 Answers
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How can I add remote repositories in Mercurial?
...://path/to/remote1
remote2 = http://path/to/remote2
You can then use commands like hg push remote1 to send changesets to that repo. If you want that remote repo to update is working directory you'd need to put a changegroup hook in place at that remote location that does an update. That would lo...
Best way to initialize (empty) array in PHP
...o = [] rather than var foo = new Array() for reasons of object creation and instantiation. I wonder whether there are any equivalences in PHP?
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