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Is there a way to iterate over a dictionary?

...y]); The alternate method (which you have to use if you're targeting Mac OS X pre-10.5, but you can still use on 10.5 and iPhone) is to use an NSEnumerator: NSEnumerator *enumerator = [myDict keyEnumerator]; id key; // extra parens to suppress warning about using = instead of == while((key = [enu...
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C++ Singleton design pattern

... What irks me most though is the run-time check of the hidden boolean in getInstance() That is an assumption on implementation technique. There need be no assumptions about it being alive. see stackoverflow.com/a/335746/14065 You can force ...
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Sending Email in Android using JavaMail API without using the default/built-in app

... GMailSender extends javax.mail.Authenticator { private String mailhost = "smtp.gmail.com"; private String user; private String password; private Session session; static { Security.addProvider(new com.provider.JSSEProvider()); } public...
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CUDA incompatible with my gcc version

... As already pointed out, nvcc depends on gcc 4.4. It is possible to configure nvcc to use the correct version of gcc without passing any compiler parameters by adding softlinks to the bin directory created with the nvcc install. The default cuda binary directory (the installation ...
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When should I use uuid.uuid1() vs. uuid.uuid4() in python?

...e uuid and the computer, as the mac address gets used to make it unique across computers. You can create duplicates by creating more than 214 uuid1 in less than 100ns, but this is not a problem for most use cases. uuid4() generates, as you said, a random UUID. The chance of a collision is really, ...
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In Python, how do I read the exif data for an image?

... Any Python 3 alternative? – Santosh Kumar Aug 30 '13 at 4:57 2 @2rs2ts: Try ...
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CSS to set A4 paper size

...e problem in Chrome (tested in different versions of Chrome under Windows, OS X and Ubuntu). share | improve this answer | follow | ...
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Does Python have a ternary conditional operator?

If Python does not have a ternary conditional operator, is it possible to simulate one using other language constructs? 26 ...
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Reducing MongoDB database file size

...dTiger it looks like the extra disk space will actually be released to the OS. UPDATE: as of v1.9+ there is a compact command. This command will perform a compaction "in-line". It will still need some extra space, but not as much. MongoDB compresses the files by: copying the files to a new ...
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Chrome's remote debugging (USB debugging) not working for Samsung Galaxy S3 running android 4.3

...nswered Jun 25 '14 at 14:03 Valross.nuValross.nu 2,15922 gold badges1010 silver badges1010 bronze badges ...