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Rails - controller action name to string
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Rails 2.X: @controller.action_name
Rails 3.1.X: controller.action_name, action_name
Rails 4.X: action_name
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How well is Unicode supported in C++11?
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267
How well does the C++ standard library support unicode?
Terribly.
A quick scan through t...
Java regular expression OR operator
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You can just use the pipe on its own:
"string1|string2"
for example:
String s = "string1, string2, string3";
System.out.println(s.replaceAll("string1|string2", "blah"));
Output:
blah, blah, string3
The main reason to use parentheses is to limit the scope of the alternat...
Replacing NULL with 0 in a SQL server query
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phadaphunkphadaphunk
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2
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【教学】AppInventor2人工智能应用：Personal Image Classifier (PIC) Tool...
繁体中文原文：https://blog.cavedu.com/2019/08/27/app-inventor-image-classifier/
[color=var(--fs-experimental-link-color)][color=var(--fs-color-primary)]27
[size=0.8em]8 月
MIT App Inventor 團隊蠻早就發佈了 [color=var(--fs-experimental-link-color)]look extension，概念上...
In Java, what is the best way to determine the size of an object?
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26 Answers
26
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AttributeError(“'str' object has no attribute 'read'”)
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sideshowbarker
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answered Jun 24 '12 at 0:33
kosiikosii
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Animate scrollTop not working in firefox
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David HedlundDavid Hedlund
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How do I center a window onscreen in C#?
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12 Answers
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mongodb/mongoose findMany - find all documents with IDs listed in array
...Id('4ed3f117a844e0471100000d'),
mongoose.Types.ObjectId('4ed3f18132f50c491100000e')
]}
}, function(err, docs){
console.log(docs);
});
This method will work well even for arrays containing tens of thousands of ids. (See Efficiently determine the owner of a record)
I would recomm...