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Studies on optimal code width?
...k. A screen is typically not placed at the distance of a book, which means more characters per line can be used while keeping within the limits of the maximum eye angle. Also, code isn't read as much as it is perused, making this width less important. I (YMMV) can easily follow lines with 120 charac...
On design patterns: When should I use the singleton?
...ators and client side UI's also being possibly "acceptable" choices.
Read more at Singleton I love you, but you're bringing me down.
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What is the “-->” operator in C++?
...enced by the fact the question was asked in the first place. It makes much more sense to textually bind operators to the thing they're operating on rather than something unrelated, so while (x-- > 0) would be more apt. It also makes it more obvious what's going on (at least in a fixed-font editor...
Learn C first before learning Objective-C [closed]
...t better thanks to objects (OOP programming can make complex programs much more lovely than functional programming; polymorphism for example is a brilliant feature)... and I really like Obj-C (much more than C++! I hate the C++ syntax and some language features are plain overkill and lead to bad de...
Build query string for System.Net.HttpClient get
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http://example.com/?foo=bar%3c%3e%26-baz&bar=bazinga
that you could more than safely feed to your HttpClient.GetAsync method.
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How can I find an element by CSS class with XPath?
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This selector should work but will be more efficient if you replace it with your suited markup:
//*[contains(@class, 'Test')]
Or, since we know the sought element is a div:
//div[contains(@class, 'Test')]
But since this will also match cases like class="Tes...
How do I use Assert to verify that an exception has been thrown?
...string that needs to matcvh the exception message (and IU think that makes more sense)
– Ruben Bartelink
Jun 25 '09 at 10:48
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difference between primary key and unique key
...rimary Key is a unique key identifier of the record
Unique Key:
Can be more than one unique key in one table
Unique key can have NULL values
It can be a candidate key
Unique key can be NULL ; multiple rows can have NULL values and therefore may not be considered "unique"
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What is the difference between sed and awk? [closed]
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awk is oriented toward delimited fields on a per-line basis. It has much more robust programming constructs including if/else, while, do/while and for (C-style and array iteration). There is complete support for variables and single-dimension associative arrays plus (IMO) kludgey multi-dimension a...
What are the differences between Chosen and Select2?
Chosen and Select2 are the two more popular libraries for extending selectboxes.
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