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How can I use pickle to save a dict?

...ickle', 'wb') as handle: pickle.dump(a, handle, protocol=pickle.HIGHEST_PROTOCOL) with open('filename.pickle', 'rb') as handle: b = pickle.load(handle) print a == b share | improve this a...
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How can I transform between the two styles of public key format, one “BEGIN RSA PUBLIC KEY”, the oth

...RSA implementation... <?php include('Crypt/RSA.php'); $rsa = new Crypt_RSA(); $rsa->loadKey('-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA61BjmfXGEvWmegnBGSuS +rU9soUg2FnODva32D1AqhwdziwHINFaD1MVlcrYG6XRKfkcxnaXGfFDWHLEvNBS EVCgJjtHAGZIm5GL/KA86KDp/CwDFMSwluowcXwDwo...
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Programmatically Request Access to Contacts

... // First time access has been granted, add the contact [self _addContactToAddressBook]; } else { // User denied access // Display an alert telling user the contact could not be added } }); } else if (ABAddressBookGetAuthorizationStatus() == kABAu...
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undefined reference to boost::system::system_category() when compiling

... The boost library you are using depends on the boost_system library. (Not all of them do.) Assuming you use gcc, try adding -lboost_system to your compiler command line in order to link against that library. ...
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Create a “with” block on several context managers? [duplicate]

...nd 3.1 and above, you can write: with A() as X, B() as Y, C() as Z: do_something() This is normally the best method to use, but if you have an unknown-length list of context managers you'll need one of the below methods. In Python 3.3, you can enter an unknown-length list of context manage...
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How do I specify different Layouts in the ASP.NET MVC 3 razor ViewStart file?

... You could put a _ViewStart.cshtml file inside the /Views/Public folder which would override the default one in the /Views folder and specify the desired layout: @{ Layout = "~/Views/Shared/_PublicLayout.cshtml"; } By analogy you could...
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Is there a REAL performance difference between INT and VARCHAR primary keys?

...(think US States, Country Codes) and a coworker won't budge on the INT AUTO_INCREMENT as a primary key for all tables. 14 ...
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What's the dSYM and how to use it? (iOS SDK)

... 0x000000018f3c9380 closure #1 in closure #1 in closure #1 in _assertionFailure+ 217984 (_:_:file:line:flags:) + 452 1 libswiftCore.dylib 0x000000018f3c9380 closure #1 in closure #1 in closure #1 in _assertionFailure+ 217984 (_:_:file:line:flags:) + 452 2 libswiftCore.d...
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How can I uninstall an application using PowerShell?

... $app = Get-WmiObject -Class Win32_Product | Where-Object { $_.Name -match "Software Name" } $app.Uninstall() Edit: Rob found another way to do it with the Filter parameter: $app = Get-WmiObject -Class Win32_Product ` -Filter "N...
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Python string class like StringBuilder in C#?

...st of length-one strings. (To make this from a string, you'd call list(your_string). You could also use a UserString.MutableString for this. (c)StringIO.StringIO is useful for things that would otherwise take a file, but less so for general string building. ...