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Find substring in the string in TWIG

I want to find substring of the string or check if there is no such substring using Twig. On the words, I need analogue of 'strstr' or 'strpos' in php. I googled and searched this issue in stackoverflow but nothing found. Does someone know how to solve this problem? ...
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Truncating long strings with CSS: feasible yet?

... 2014 March: Truncating long strings with CSS: a new answer with focus on browser support Demo on http://jsbin.com/leyukama/1/ (I use jsbin because it supports old version of IE). <style type="text/css"> span { display: inline-block; ...
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input() error - NameError: name '…' is not defined

...es whatever your enter, as a Python expression. If you simply want to read strings, then use raw_input function in Python 2.7, which will not evaluate the read strings. If you are using Python 3.x, raw_input has been renamed to input. Quoting the Python 3.0 release notes, raw_input() was rename...
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What is the difference between Class.this and this in Java

...lass that needs to refer to its outer class's instance. class Person{ String name; public void setName(String name){ this.name = name; } class Displayer { String getPersonName() { return Person.this.name; } } } ...
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What is the best way to use a HashMap in C++?

...lude <cassert> int main(int argc, char **argv) { std::map<std::string, int> m; m["hello"] = 23; // check if key is present if (m.find("world") != m.end()) std::cout << "map contains key world!\n"; // retrieve std::cout << m["hello"] << '\n'; std::map&...
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How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?

...frozensets or tuples), but this method fails in Python 3 when keys are not strings. >>> c = dict(a, **b) Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: keyword arguments must be strings From the mailing list, Guido van Rossum, the creator of...
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What is a callback?

...a semantic Func or Action. public delegate void WorkCompletedCallBack(string result); public void DoWork(WorkCompletedCallBack callback) { callback("Hello world"); } public void Test() { WorkCompletedCallBack callback = TestCallBack; // Notice that I am ref...
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What's invokedynamic and how do I use it?

...mple would be something like: Compiled from "Range.java" public java.lang.String toString(); descriptor: ()Ljava/lang/String; flags: (0x0001) ACC_PUBLIC Code: stack=1, locals=1, args_size=1 0: aload_0 1: invokedynamic #18, 0 // InvokeDynamic #0:toString:(LRange;...
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How do I get the collection of Model State Errors in ASP.NET MVC?

... This will give you one string with all the errors with comma separating string validationErrors = string.Join(",", ModelState.Values.Where(E => E.Errors.Count > 0) .SelectMany(E => E.Errors) ...
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Android: upgrading DB version and adding new table

...ldVersion, int newVersion) { switch (oldVersion) { case 1: String sql = "ALTER TABLE " + TABLE_SECRET + " ADD COLUMN " + "name_of_column_to_be_added" + " INTEGER"; db.execSQL(sql); break; case 2: String sql = "SOME_QUERY"; db.execSQL(sql); ...