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Pad a string with leading zeros so it's 3 characters long in SQL Server 2008
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Although the question was for SQL Server 2008 R2, in case someone is reading this with version 2012 and above, since then it became much easier by the use of FORMAT.
You can either pass a standard numeric format string or a custom numeric format string as the format argument (thank Vad...
What is the standard naming convention for html/css ids and classes?
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There isn't one.
I use underscores all the time, due to hyphens messing up the syntax highlighting of my text editor (Gedit), but that's personal preference.
I've seen all these conventions used all over the place. Use the one that you...
try/catch versus throws Exception
... latter swallows the exception (showing it, admittedly), whereas the first one will let it propagate. (I'm assuming that showException doesn't rethrow it.)
So if you call the first method and "do something" fails, then the caller will have to handle the exception. If you call the second method and ...
OOP vs Functional Programming vs Procedural [closed]
...d are they better suited to particular problems or do any use-cases favour one over the others?
7 Answers
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make_unique and perfect forwarding
...n the future.
He also gives an implementation that is identical with the one given by the OP.
Edit: std::make_unique now is part of C++14.
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What is the Java ?: operator called and what does it do?
...etAwayCount(index);
It's called the conditional operator. Many people (erroneously) call it the ternary operator, because it's the only ternary (three-argument) operator in Java, C, C++, and probably many other languages. But theoretically there could be another ternary operator, whereas there can ...
Using a Single Row configuration table in SQL Server database. Bad idea?
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I have done this two ways in the past - a single row table and a key/value pair table - and there are positives and negatives to each approach.
Single Row
positive: the values are stored in the correct type
positive: it is easier to...
What does it mean by buffer?
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Imagine that you're eating candy out of a bowl. You take one piece regularly. To prevent the bowl from running out, someone might refill the bowl before it gets empty, so that when you want to take another piece, there's candy in the bowl.
The bowl acts as a buffer between you an...
Capybara Ambiguity Resolution
...xample select element by id, class or other css/xpath locator so that only one element will match it.
As a note here are some locators that I usually consider useful when resolving ambiguity:
find('ul > li:first-child')
It's more useful than first('ul > li') as it will wait till first li...
C state-machine design [closed]
I am crafting a small project in mixed C and C++. I am building one small-ish state-machine at the heart of one of my worker thread.
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