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Java Serializable Object to Byte Array
...oid missing closing them by mistake? (I'm not entirely sure if this is the best practice, that's why I'm wondering.) Example: try(ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutput out = new ObjectOutputStream(bos)){ /*Do stuff*/ }catch(IOException e){/*suppress exception*/}. It a...
Creating temporary files in Android
What's the best way to create a temporary file in Android?
6 Answers
6
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Will the base class constructor be automatically called?
...ter-based constructor in base class
//{
//}
}
The reason all the items above work is either:
1. The call to the default constructor in the base class is implicitly created in the base class and implicitly called from the derived because no non-default constructor has been added to the base...
Difference between File.separator and slash in paths
...rnally.
You might want to use File.separator in UI, however, because it's best to show people what will make sense in their OS, rather than what makes sense to Java.
Update: I have not been able, in five minutes of searching, to find the "you can always use a slash" behavior documented. Now, I'm s...
How to force Chrome browser to reload .css file while debugging in Visual Studio?
...rsion changes instead of doing random/time string which changes everytime. Best approach will be to use checksum of the css file itself.
– Bart Calixto
Apr 21 '16 at 5:37
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How do I get rid of “[some event] never used” compiler warnings in Visual Studio?
...ts one to think about whether this do-nothing implementation is really the best implementation. For instance, if the event isn't so much unimportant as it is unsupported, such that clients that do rely on the functionality are likely to fail without it, it might be better to explicitly indicate the ...
Efficient way to apply multiple filters to pandas DataFrame or Series
...en passing data[conjunction(conditions_list)] but get an error ValueError: Item wrong length 5 instead of 37. Also tried data[conjunction(*conditions_list)] but I get a different result than data[conjunction(c_1, c_2, c_3, ... c_n )], not sure what is going on.
– user5359531
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Asynctask vs Thread in android
...id. You can't update UI from Thread.
AsyncTask can be used to handle work items shorter than 5ms in duration. With AsyncTask, you can update UI unlike java Thread. But many long running tasks will choke the performance.
You have few more alternatives to both of them.
HandlerThread/ Handler and T...
How do I find which rpm package supplies a file I'm looking for?
...
It seems to me that rpm -qf <filename> is best suited for determining which package provides an installed application (since it may be different than what is in the current yum repository cache), and yum whatprovides <filename> is best suited for determining w...
Simple way to transpose columns and rows in SQL?
...ries both yourtable and then the sys.columns table to generate the list of items to UNPIVOT and PIVOT. This is then added to a query string to be executed. The plus of the dynamic version is if you have a changing list of colors and/or names this will generate the list at run-time.
All three queri...