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Difference between fprintf, printf and sprintf?

...on> #include <stdarg.h> #include <stdio.h> struct exception_fmt : std::exception { exception_fmt(char const* fmt, ...) __attribute__ ((format(printf,2,3))); char const* what() const throw() { return msg_; } char msg_[0x800]; }; exception_fmt::exception_fmt(char const* fm...
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How to set Java environment path in Ubuntu

...le /etc/profile sudo gedit /etc/profile Add following lines in end JAVA_HOME=/usr/lib/jvm/jdk1.7.0 PATH=$PATH:$HOME/bin:$JAVA_HOME/bin export JAVA_HOME export JRE_HOME export PATH Then Log out and Log in ubuntu for setting up the paths... ...
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Maven Install on Mac OS X

... 2011-02-28 12:31:09-0500) Maven home: /usr/share/maven Java version: 1.6.0_29, vendor: Apple Inc. Java home: /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home Default locale: en_US, platform encoding: MacRoman OS name: "mac os x", version: "10.7.2", arch: "x86_64", family: "mac" ...
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How to ALTER multiple columns at once in SQL Server

...LE statements. Try following: ALTER TABLE tblcommodityOHLC alter column CC_CommodityContractID NUMERIC(18,0); ALTER TABLE tblcommodityOHLC alter column CM_CommodityID NUMERIC(18,0); share | improv...
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Real world use cases of bitwise operators [closed]

...r to make some piece of hardware do what you want it to: volatile uint32_t *register = (volatile uint32_t *)0x87000000; uint32_t value; uint32_t set_bit = 0x00010000; uint32_t clear_bit = 0x00001000; value = *register; // get current value from the registe...
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How to check if a user likes my Facebook Page or URL using Facebook's API

...ou turn on the OAuth 2.0 for Canvas advanced option, Facebook will send a $_REQUEST['signed_request'] along with every page requested within your tab app. If you parse that signed_request you can get some info about the user including if they've liked the page or not. function parsePageSignedReques...
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Get nth character of a string in Swift programming language

...vailable also to the substrings: extension StringProtocol { subscript(_ offset: Int) -> Element { self[index(startIndex, offsetBy: offset)] } subscript(_ range: Range<Int>) -> SubSequence { prefix(range.lowerBound+range.count).suffix(range.c...
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Set attributes from dictionary in python

... Sure, something like this: class Employee(object): def __init__(self, initial_data): for key in initial_data: setattr(self, key, initial_data[key]) Update As Brent Nash suggests, you can make this more flexible by allowing keyword arguments as well: class ...
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'Java' is not recognized as an internal or external command

... You need to configure your environment variables, JAVA_HOME and PATH. JAVA_HOME must contain the path to java, and you should add %JAVA_HOME%\bin to PATH Alternatively, you can simply add to your PATH the whole path to the bin folder, without the JAVA_HOME variable, however, t...
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What is the difference between dict.items() and dict.iteritems() in Python2?

...= dct.items() and then modify dct by adding/deleting keys or dct[k] = other_v, items will stay the same. – djs May 5 '12 at 3:07 4 ...