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How to convert wstring into string?

... using std::wcout.imbue(locale) should do the job aswell, and it has the benefit that it does not change any global state. – smerlin Jan 26 '11 at 15:22 ...
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Enabling auto layout in iOS 6 while remaining backwards compatible with iOS 5

...disabled on each .storyboard or .xib file. Just select the particular file and modify the "Use Autolayout" property using the File inspector in Xcode: Using autolayout enabled interface files with the deployment target set to an iOS version prior to 6.0 results in compilation errors, e.g.: Er...
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How to reverse apply a stash?

...esented as a commit whose tree records the state of the working directory, and its first parent is the commit at HEAD when the stash was created," and git stash show -p gives us "the changes recorded in the stash as a diff between the stashed state and its original parent. To keep your other change...
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How to get the first element of an array?

...x of 0. You know what they say about assumption... – Andy Aug 9 '15 at 16:19 16 @Andy There were...
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Why switch is faster than if

...ave a check, a jump to the next clause, a check, a jump to the next clause and so on. With switch the JVM loads the value to compare and iterates through the value table to find a match, which is faster in most cases. share ...
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What is the difference between linear regression and logistic regression?

...ut as probabilities but it's a mistake because the output can be negative, and greater than 1 whereas probability can not. As regression might actually produce probabilities that could be less than 0, or even bigger than 1, logistic regression was introduced. Source: http://gerardnico.com/wiki/dat...
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Remove URL parameters without refreshing page

... TL;DR 1- To modify current URL and add / inject it (the new modified URL) as a new URL entry to history list, use pushState: window.history.pushState({}, document.title, "/" + "my-new-url.html"); 2- To replace current URL without adding it to history en...
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Why is debugging better in an IDE? [closed]

...or over twenty years, programming in C, Perl, SQL, Java, PHP, JavaScript, and recently Python. I've never had a problem I could not debug using some careful thought, and well-placed debugging print statements. ...
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Best Practices: working with long, multiline strings in PHP?

...t of your multiline string. $var EOT; The difference between Heredoc and Nowdoc is that PHP code embedded in a heredoc gets executed, while PHP code in Nowdoc will be printed out as is. $var = "foo"; $text = <<<'EOT' My $var EOT; In this case $text will have the value My $var. N...
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Understanding the map function

Apply function to every item of iterable and return a list of the results. If additional iterable arguments are passed, function must take that many arguments and is applied to the items from all iterables in parallel. ...