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Branch descriptions in Git

... with commits 6f9a332, 739453a3, b7200e8: struct branch_desc_cb { const char *config_name; const char *value; }; --edit-description:: Open an editor and edit the text to explain what the branch is for, to be used by various other commands (e.g. request-pull). Note that it won't work for...
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Is Java's assertEquals method reliable?

I know that == has some issues when comparing two Strings . It seems that String.equals() is a better approach. Well, I'm doing JUnit testing and my inclination is to use assertEquals(str1, str2) . Is this a reliable way to assert two Strings contain the same content? I would use assertTr...
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Integrating the ZXing library directly into my Android application

... layout file ImageView imageView = (ImageView) findViewById(R.id.qrCode); String qrData = "Data I want to encode in QR code"; int qrCodeDimention = 500; QRCodeEncoder qrCodeEncoder = new QRCodeEncoder(qrData, null, Contents.Type.TEXT, BarcodeFormat.QR_CODE.toString(), qrCodeDimention); tr...
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MAC addresses in JavaScript

...ecurity vulnerability if you would be able to do this directly from Javascript. There are two things I can think of: Using Java (with a signed applet) Using signed Javascript, which in FF (and Mozilla in general) gets higher privileges than normal JS (but it is fairly complicated to set up) ...
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Get MD5 hash of big files in Python

...k) return md5.digest() Note that the iter() func needs an empty byte string for the returned iterator to halt at EOF, since read() returns b'' (not just ''). share | improve this answer ...
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Scala best way of turning a Collection into a Map-by-key?

...sult into a variable argument. scala> val list = List("this", "maps", "string", "to", "length") map {s => (s, s.length)} list: List[(java.lang.String, Int)] = List((this,4), (maps,4), (string,6), (to,2), (length,6)) scala> val list = List("this", "is", "a", "bunch", "of", "strings") list:...
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SELECT DISTINCT on one column

...l shown), this is the correct query: declare @TestData table (ID int, sku char(6), product varchar(15)) insert into @TestData values (1 , 'FOO-23' ,'Orange') insert into @TestData values (2 , 'BAR-23' ,'Orange') insert into @TestData values (3 , 'FOO-24' ,'Apple') insert into @Tes...
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How can I sort a List alphabetically?

I have a List<String> object that contains country names. How can I sort this list alphabetically? 13 Answers ...
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Comparing two dictionaries and checking how many (key, value) pairs are equal

...th possibly different attribute values as in the example). However, if an "extra" attribute is present is one of the dicts, json.dumps() fails with TypeError: Object of type PrettyOrderedSet is not JSON serializable Solution: use diff.to_json() and json.loads() / json.dumps() to pretty-print: im...
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How do I return clean JSON from a WCF Service?

...erson>. Eliminate the code that you use to serialize the List to a json string - WCF does this for you automatically. Using your definition for the Person class, this code works for me: public List<Person> GetPlayers() { List<Person> players = new List<Person>(); pla...