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std::string to float or double
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std::string num = "0.6";
double temp = ::atof(num.c_str());
Does it for me, it is a valid C++ syntax to convert a string to a double.
You can do it with the stringstream or boost::lexical_cast but those come with a performance penalty.
Ahaha you have a Qt project ...
QString winOpacit...
How to give ASP.NET access to a private key in a certificate in the certificate store?
...re (Local Computer\Personal) on a Windows Server 2008 R2 in an IIS 7.5 website?
8 Answers
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Catching multiple exception types in one catch block
I'd like a cleaner way to obtain the following functionality, to catch AError and BError in one block:
11 Answers
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How to hide output of subprocess in Python 2.7
...subprocess.call(['echo', 'foo'], stdout=FNULL, stderr=subprocess.STDOUT)
It is effectively the same as running this shell command:
retcode = os.system("echo 'foo' &> /dev/null")
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Cloning a MySQL database on the same MySql instance
I would like to write a script which copies my current database sitedb1 to sitedb2 on the same mysql database instance. I know I can dump the sitedb1 to a sql script:
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How to write a test which expects an Error to be thrown in Jasmine?
I'm trying to write a test for the Jasmine Test Framework which expects an error. At the moment I'm using a Jasmine Node.js integration from GitHub .
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clang: how to list supported target architectures?
...ly iphone/android targets. But I just want to know more about clang, since it feels to play important role in the years to come.
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Get the last item in an array
...).
Though, you might want to consider doing this server-side if possible: it will be cleaner and work for people without JS.
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Lost connection to MySQL server at 'reading initial communication packet', system error: 0
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Someone here suggests that it might be a firewall problem:
I have just had this problem and found it was my firewall. I use PCTools Firewall Plus and it wasn't allowing full access to MySQL. Once I changed that it was fine. Hope that helps.
Could...
parsing JSONP $http.jsonp() response in angular.js
...callback
Note: You must also make sure your URL is added to the trusted/whitelist:
$sceDelegateProvider.resourceUrlWhitelist
or explicitly trusted via:
$sce.trustAsResourceUrl(url)
success/error were deprecated.
The $http legacy promise methods success and error have been deprecated and w...