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How do I compare two string variables in an 'if' statement in Bash? [duplicate]
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How to sort git tags by version string order of form rc-X.Y.Z.W?
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Missing return statement in a non-void method compiles
...unreachable end point because of a goto (remember, a while(true) is just a more pleasant way to write goto) instead of a throw (which is another form of goto) is not relevant.
Why doesn't the compiler even warn about returning something?
Because the compiler has no good evidence that the code...
What is the purpose of setting a key in data.table?
...o be set on x. With the new on= argument from v1.9.6+, this is not true anymore, and setting keys is therefore not an absolute requirement here as well.
## joins using < v1.9.6
setkey(X, a) # absolutely required
setkey(Y, a) # not absolutely required as long as 'a' is the first column
X[Y]
##...
A proper wrapper for console.log with correct line number?
...nd place a global isDebug switch. I would like to wrap console.log for more convenient usage.
23 Answers
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How do you clear a stringstream variable?
..."");
is correct, although using:
m.str(std::string());
is technically more efficient, because you avoid invoking the std::string constructor that takes const char*. But any compiler these days should be able to generate the same code in both cases - so I would just go with whatever is more read...
Check if a JavaScript string is a URL
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How to make a class JSON serializable
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In that case you can merely call json.dumps(f.__dict__).
If you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization.
For a trivial example, see below.
>>> from json import JSONEncoder
>>> class MyEncoder(JSONEn...
Why doesn't RecyclerView have onItemClickListener()?
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Think of Recyclerview not as a ListView 1:1 replacement but rather as a more flexible component for complex use cases. And as you say, your solution is what google expected of you. Now you have an adapter who can delegate onClick to an interface passed on the constructor, which is the correct pat...
How can I change the color of a part of a TextView?
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Spannable is more flexible:
String text2 = text + CepVizyon.getPhoneCode() + "\n\n"
+ getText(R.string.currentversion) + CepVizyon.getLicenseText();
Spannable spannable = new SpannableString(text2);
spannable.setSpan(new Fo...