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How to print like printf in Python3?

...voked: print ("Hi") In both versions, % is an operator which requires a string on the left-hand side and a value or a tuple of values or a mapping object (like dict) on the right-hand side. So, your line ought to look like this: print("a=%d,b=%d" % (f(x,n),g(x,n))) Also, the recommendation fo...
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How to validate an Email in PHP?

... You can use the filter_var() function, which gives you a lot of handy validation and sanitization options. filter_var($email, FILTER_VALIDATE_EMAIL) PHP Manual filter_var() Available in PHP >= 5.2.0 If you don't want to change your code that relied on your function, just do: func...
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How to format a string as a telephone number in C#

I have a string "1112224444' it is a telephone number. I want to format as 111-222-4444 before I store it in a file. It is on a datarecord and I would prefer to be able to do this without assigning a new variable. ...
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How to get current location in Android [duplicate]

... You may also need @Override public void onStatusChanged(String provider, int status, Bundle extras) { } @Override public void onProviderEnabled(String provider) { } @Override public void onProviderDisabled(String provider) { } – Ege K...
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What is the difference between parseInt(string) and Number(string) in JavaScript? [duplicate]

What is the difference between parseInt(string) and Number(string) in JavaScript? 6 Answers ...
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'AND' vs '&&' as operator

...r. For instance, $predA && $predB ? "foo" : "bar" will return a string whereas $predA and $predB ? "foo" : "bar" will return a boolean. share | improve this answer | ...
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How to append data to div using JavaScript?

... Try this: var div = document.getElementById('divID'); div.innerHTML += 'Extra stuff'; share | improve this answer | follow | ...
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How do I disable the “Press ENTER or type command to continue” prompt in Vim?

... In line with commenter below (who suggested to add extra <CR> at the end of command), when using silent, you can add extra <C-l>, so that you do not have to press it manually. Works with screen well, then. – Victor Farazdagi ...
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Static constant string (class member)

... in a header file in your case) class A { private: static const string RECTANGLE; }; and then // In one of the implementation files const string A::RECTANGLE = "rectangle"; The syntax you were originally trying to use (initializer inside class definition) is only allowed with integra...
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Javascript parseInt() with leading zeros

...cond argument: parseInt("08", 10); Earlier versions of JavaScript treat strings starting with 0 as octal (when no base is specified) and neither 08 nor 09 are valid octal numbers. From the Mozilla documentation: If radix is undefined or 0, JavaScript assumes the following: If the in...