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Gson: How to exclude specific fields from Serialization without annotations
...s ExclusionStrategy like this,
Gson gson = new GsonBuilder()
.setExclusionStrategies(new TestExclStrat())
//.serializeNulls() <-- uncomment to serialize NULL fields as well
.create();
Student src = new Student();
String json = gson.toJson(src);
System.out....
What are named pipes?
...er listening to a IP address/port for incoming requests, a server can also set up a named pipe which can listen for requests. In either cases, the client process (or the DB access library) must know the specific address (or pipe name) to send the request. Often, a commonly used standard default e...
Run certain code every n seconds [duplicate]
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OK, fixed, note that you may also want to set the thread made by Timer as a daemon in case you want to interrupt the program cleanly by just finishing the main thread -- in that case you'd better set t = threading.Timer &c, then t.daemon = True, and only then t.s...
log4net not working
...nsure that log4net.config file is copied to the bin\ folder when building (set to 'Copy if newer' in compiler)
when dealing with installed code, ensure that the log4net.config came along for the ride (set to 'Content' in compiler)
ensure that the user that the process runs as has write rights to t...
What does it mean by buffer?
...es or program processes that operate at different speeds or with different sets of priorities. The buffer allows each device or process to operate without being held up by the other. In order for a buffer to be effective, the size of the buffer and the algorithms for moving data into and out of the ...
Bootstrap 3 Navbar with Logo
...lied it becomes a block element and because it has a height of 50px we can set max-height of the image to to 100%; and it will NEVER overflow or cause the entire navbar to grow. It becomes constrained to fit the .navbar-brand height. If it looks too small in the default 50px navbar just adjust the ....
Why is f(i = -1, i = -1) undefined behavior?
...also nothing to say that the compiler cannot optimize that into a separate set of instructions that has the same effect, but which could fail if the operation was interleaved with another operation on the same memory location.
For example, imagine that it was more efficient to zero the memory, then...
How to get number of entries in a Lua table?
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You can set up a meta-table to track the number of entries, this may be faster than iteration if this information is a needed frequently.
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How to add screenshot to READMEs in github repository?
...ltercation/solarized/master/README.md
If you use SVGs then you'll need to set the sanitize attribute to true as well: ?raw=true&sanitize=true. (Thanks @EliSherer)
Also, the documentation on relative links in README files: https://help.github.com/articles/relative-links-in-readmes
And of cours...
Build Android Studio app via command line
...adlew assembleDebug from the root of your repository. In a default project setup, the resulting apk can then be found in app/build/outputs/apk/app-debug.apk. On a *nix machine, you can also just run find . -name '*.apk' to find it, if it's not there.
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