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How to get names of classes inside a jar file?

I have a JAR file and I need to get the name of all classes inside this JAR file. How can I do that? 12 Answers ...
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Select data from date range between two dates

... As you can see, there are two ways to get things done: enlist all acceptable options exclude all wrong options Obviously, second way is much more simple (only two cases against four). Your SQL will look like: SELECT * FROM Product_sales WHERE NOT (From_date > @RangeTill OR To_d...
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Debugging doesn't start [closed]

... I had the same problem and all the tricks didnt do it until I unchecked the "Enable the Visual Studio hosting process" under the debug tab in the project properties share ...
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How to remove EXIF data without recompressing the JPEG?

...ress it, as recompressing the JPEG will degrade the quality, as well as usually increasing the file size. 11 Answers ...
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How do I get SUM function in MySQL to return '0' if no values are found?

...iddle.com/#!2/d1542/3/0 More Information: Given three tables (one with all numbers, one with all nulls, and one with a mixture): SQL Fiddle MySQL 5.5.32 Schema Setup: CREATE TABLE foo ( id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, val INT ); INSERT INTO foo (val) VALUES (null),(1),(n...
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Traverse all the Nodes of a JSON Object Tree with JavaScript

... foo:"bar", arr:[1,2,3], subo: { foo2:"bar2" } }; //called with every property and its value function process(key,value) { console.log(key + " : "+value); } function traverse(o,func) { for (var i in o) { func.apply(this,[i,o[i]]); if (o[i] !== null &a...
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Clear back stack using fragments

...tBackStackEntryCount(); ++i) { fm.popBackStack(); } But could equally have used something like: ((AppCompatActivity)getContext()).getSupportFragmentManager().popBackStack(String name, FragmentManager.POP_BACK_STACK_INCLUSIVE) Which will pop all states up to the named one. You can then j...
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How to elegantly rename all keys in a hash in Ruby? [duplicate]

...to do ages = Hash[ages.map {|k, v| [mappings[k] || k, v] }] to be able to call the variable again with the mapping. – Chanpory Nov 9 '10 at 20:32 ...
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JavaScript equivalent of jQuery's extend method

...e default object. Each of those objects contains properties that essentially work as settings for the rest of the code within the function. In order to prevent having to specify all of the settings within the config object, I use jQuery's extend method to fill in a new object, settings wit...
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How many bits or bytes are there in a character? [closed]

...common characters take 16 bits. This is the encoding used by Windows internally. A Unicode character in UTF-32 encoding is always 32 bits (4 bytes). An ASCII character in UTF-8 is 8 bits (1 byte), and in UTF-16 - 16 bits. The additional (non-ASCII) characters in ISO-8895-1 (0xA0-0xFF) would take 16 ...