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What is an example of the Liskov Substitution Principle?
...amental principle of object oriented design. What is it and what are some examples of its use?
31 Answers
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How to get thread id from a thread pool?
I have a fixed thread pool that I submit tasks to (limited to 5 threads). How can I find out which one of those 5 threads executes my task (something like "thread #3 of 5 is doing this task")?
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Exact difference between CharSequence and String in java [duplicate]
I read this previous post . Can any one say what the exact difference between CharSequence and String is, other than the fact that String implements CharSequence and that String is a sequence of character? For example:
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How To: Best way to draw table in console app (C#)
... fast intervals.
I want to display that data as a table in console app. f.ex:
12 Answers
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How to send an email with Python?
...es email and smtplib together to send email. Please look at the following example (reproduced from the Python documentation). Notice that if you follow this approach, the "simple" task is indeed simple, and the more complex tasks (like attaching binary objects or sending plain/HTML multipart message...
How to send JSON instead of a query string with $.ajax?
Can someone explain in an easy way how to make jQuery send actual JSON instead of a query string?
4 Answers
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Entity Framework is Too Slow. What are my options? [closed]
...ections to give EF more information about what you trying to accomplish.
Example:
Product product = db.Products.SingleOrDefault(p => p.Id == 10);
// executes SELECT * FROM Products WHERE Id = 10
ProductDto dto = new ProductDto();
foreach (Category category in product.Categories)
// executes SE...
LIKE vs CONTAINS on SQL Server
...it in a valid query) should be faster, because it can use some form of index (in this case, a full text index). Of course, this form of query is only available if the column is in a full text index. If it isn't, then only the first form is available.
The first query, using LIKE, will be unable to u...
How to check whether a script is running under Node.js?
...erence to this
var _ = new Object();
var isNode = false;
// Export the Underscore object for **CommonJS**, with backwards-compatibility
// for the old `require()` API. If we're not in CommonJS, add `_` to the
// global object.
if (typeof module !== 'undefined' && mo...
String.replaceAll single backslashes with double backslashes
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The String#replaceAll() interprets the argument as a regular expression. The \ is an escape character in both String and regex. You need to double-escape it for regex:
string.replaceAll("\\\\", "\\\\\\\\");
But you don't necessarily need regex for this, simply because you want an exa...