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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con

...able of a class with the mutable keyword. As far as I can see it simply allows you to modify a variable in a const method: ...
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How to get the current time in Python

...gt; from datetime import datetime Then remove the leading datetime. from all of the above. share | improve this answer | follow | ...
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How to set a default value for an existing column

... MSSQL is weird for calling default values "constraints". If anything, they are relaxations; the opposite of a constraint! They make more things valid, not fewer. – Roman Starkov May 11 '13 at 12:06 ...
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Where and why do I have to put the “template” and “typename” keywords?

...iler doesn't need to know the meaning of a name in order to parse and basically know what action a line of code does. In C++, the above however can yield vastly different interpretations depending on what t means. If it's a type, then it will be a declaration of a pointer f. However if it's not a ty...
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Transpose/Unzip Function (inverse of zip)?

...'d', 4)]) [('a', 'b', 'c', 'd'), (1, 2, 3, 4)] The way this works is by calling zip with the arguments: zip(('a', 1), ('b', 2), ('c', 3), ('d', 4)) … except the arguments are passed to zip directly (after being converted to a tuple), so there's no need to worry about the number of arguments g...
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How do HashTables deal with collisions?

...lookups in hash tables very slow. Option 2: If the hash table entries are all full then the hash table can increase the number of buckets that it has and then redistribute all the elements in the table. The hash function returns an integer and the hash table has to take the result of the hash funct...
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Why “no projects found to import”?

...ject into workspace". As the "root directory" I select the directory where all my .java (and .class) files are located. Eclipse writes me that "no projects are found to import". Why? ...
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UITableViewCell show white background and cannot be modified on iOS7

...ull said, "...there seems to be a bug in interface builder...", I'm not totally sure whether it does have the bug, but seems so cause his comment got several up votes. So there might something wrong if you use IB. :) share ...
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Razor View throwing “The name 'model' does not exist in the current context”

...Also, as Dudeman3000 commented, if you have Areas in your MVC project they all have Views\web.config files too. share | improve this answer | follow | ...
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How to automatically remove trailing whitespace in Visual Studio 2008?

Is it possible to configure Visual Studio 2008 to automatically remove whitespace characters at the end of each line when saving a file? There doesn't seem to be a built-in option, so are there any extensions available to do this? ...