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How can I check if a string represents an int, without using try/except?
... is an int, so does your program. If Python changes, so does your program, and without changing a single line of code. There's some value in that. It might be the right thing to do depending on the circumstances.
– Shavais
Oct 8 '14 at 16:07
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What is an idempotent operation?
...g that x in the mathematical definition represents the state of an object, and f is an operation that may mutate that object. For example, consider the Python set and its discard method. The discard method removes an element from a set, and does nothing if the element does not exist. So:
my_set.dis...
Examples of Algorithms which has O(1), O(n log n) and O(log n) complexities
What are some algorithms which we use daily that has O(1), O(n log n) and O(log n) complexities?
11 Answers
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Is SonarQube Replacement for Checkstyle, PMD, FindBugs?
We are working on a web project from scratch and are looking at the following static code analysis tools.
8 Answers
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Why are private fields private to the type, not the instance?
In C# (and many other languages) it's perfectly legitimate to access private fields of other instances of the same type. For example:
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What is lazy loading in Hibernate?
What is lazy loading in Java? I don't understand the process. Can anybody help me to understand the process of lazy loading?
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Should I use PATCH or PUT in my REST API?
... the one thing to toggle, completely replacing it is not such a huge deal. And it does allow for a (insignificantly) smaller request.
– thecoshman
Jun 17 '14 at 13:04
37
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TSQL - Cast string to integer or return default value
Is there a way in T-SQL to cast an nvarchar to int and return a default value or NULL if the conversion fails?
8 Answers
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What is the most appropriate way to store user settings in Android application
...eating an application which connects to the server using username/password and I would like to enable the option "Save password" so the user wouldn't have to type the password each time the application starts.
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Stretch and scale CSS background
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That would work for Safari 3 (or later), Chrome, Opera 10+, Firefox 3.6+, and Internet Explorer 9 (or later).
For it to work with lower verions of Internet Explorer, try these CSS:
filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='.myBackground.jpg', sizingMethod='scale');
-ms-fi...