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String.format() to format double in java
How can I use String.format(format String,X) to format a double like follows???
7 Answers
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Why does this code using random strings print “hello world”?
The following print statement would print "hello world".
Could anyone explain this?
15 Answers
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System.BadImageFormatException: Could not load file or assembly [duplicate]
service is x86 compiled even both computers are x64 and it works on my computer. Here in server where is win 2008 i get this error.
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What does “fragment” mean in ANTLR?
...erves to simplify a grammar.
Consider:
NUMBER: DIGITS | OCTAL_DIGITS | HEX_DIGITS;
fragment DIGITS: '1'..'9' '0'..'9'*;
fragment OCTAL_DIGITS: '0' '0'..'7'+;
fragment HEX_DIGITS: '0x' ('0'..'9' | 'a'..'f' | 'A'..'F')+;
In this example, matching a NUMBER will always return a NUMBER to the lexer, ...
Java - sending HTTP parameters via POST method easily
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int postDataLength = postData.length;
String request = "http://example.com/index.php";
URL url = new URL( request );
HttpURLConnection conn= (HttpURLConnection) url.openConnection();
conn.setDoOutput( true );
conn.setInstanceFollowRedirects( false );
conn.setReque...
What is __future__ in Python used for and how/when to use it, and how it works
...le changes or to such ones introducing new keywords.
E.g., for using context managers, you had to do from __future__ import with_statement in 2.5, as the with keyword was new and shouldn't be used as variable names any longer. In order to use with as a Python keyword in Python 2.5 or older, you wil...
Regular expressions in an Objective-C Cocoa application
Initial Googling indicates that there's no built-in way to do regular expressions in an Objective-C Cocoa application.
10 A...
How can I convert a string to a number in Perl?
...t and I need to convert that string into a floating point variable. So an example of the string I have is "5.45" and I want a floating point equivalent so I can add .1 to it. I have searched around the internet, but I only see how to convert a string to an integer.
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How do I typedef a function pointer with the C++11 using syntax?
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It has a similar syntax, except you remove the identifier from the pointer:
using FunctionPtr = void (*)();
Here is an Example
If you want to "take away the uglyness", try what Xeo suggested:
#include <type_traits>
using FunctionPtr = ...
Why does Math.floor return a double?
...l to the argument and is equal to a mathematical integer". Given a value x > 2^53 that will not be the same as the value with its fractional part truncated. It may well be quite a bit smaller than that.
– Jim Garrison
Sep 5 '16 at 20:10
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