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What is the difference between concurrent programming and parallel programming?
What is the difference between concurrent programming and parallel programing? I asked google but didn't find anything that helped me to understand that difference. Could you give me an example for both?
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Release generating .pdb files, why?
...ase" build by anything other than address-level debugging. Optimizations really do a number on your code, making it very difficult to find the culprit if something goes wrong (say, an exception is thrown). Even setting breakpoints is extremely difficult, because lines of source code cannot be matche...
sql query to return differences between two tables
...g to compare two tables, SQL Server, to verify some data. I want to return all the rows from both tables where data is either in one or the other. In essence, I want to show all the discrepancies. I need to check three pieces of data in doing so, FirstName, LastName and Product.
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How to force a WPF binding to refresh?
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if you use mvvm and your itemssource is located in your vm. just call INotifyPropertyChanged for your collection property when you want to refresh.
OnPropertyChanged("YourCollectionProperty");
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App Launcher 应用启动器扩展：用于启动其他应用程序的强大工具，支持独立...
... getNameList 或 getPackageList 函数中列出所有文件，需要 QUERY_ALL_PACKAGES 权限
动机
App Inventor允许使用ActivityStarter组件启动其他活动。不幸的是，启动已安装的应用程序非常麻烦。根据说明，必须下载要启动...
How to rotate portrait/landscape Android emulator? [duplicate]
... on mac: fn+control+F11 or fn+control+f12
– Fresheyeball
Jul 25 '12 at 23:58
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Reading a UTF8 CSV file with Python
...method gets applied to a Unicode string to make a byte-string; but you're calling it on a byte-string instead... the wrong way 'round! Look at the codecs module in the standard library and codecs.open in particular for better general solutions for reading UTF-8 encoded text files. However, for the ...
Which exception should I raise on bad/illegal argument combinations in Python?
... raise ValueError("save must be True if recurse is True")
There's really no point in doing class BadValueError(ValueError):pass - your custom class is identical in use to ValueError, so why not use that?
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Jquery select all elements that have $jquery.data()
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You could do
$('[data-myAttr!=""]');
this selects all elements which have an attribute data-myAttr which is not equal to '' (so it must have been set);
you could also use filter()
$('*').filter(function() {
return $(this).data('myAttr') !== undefined;
});
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What does “connection reset by peer” mean?
... easily receive this notification from the "client". The machine that initially requests the connection has just as much power to send this notification. On a TCP level, it looks identical once the connection is ongoing. The two machines, when communicating, are just peers.
– c...