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Is there a better way to dynamically build an SQL WHERE clause than by using 1=1 at its beginning?
...l1=0");
//...
if (conditions.Any())
Query += " WHERE " + string.Join(" AND ", conditions.ToArray());
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What are the pros and cons of the leading Java HTML parsers? [closed]
Searching SO and Google, I've found that there are a few Java HTML parsers which are consistently recommended by various parties. Unfortunately it's hard to find any information on the strengths and weaknesses of the various libraries. I'm hoping that some people have spent some comparing these libr...
Is double square brackets [[ ]] preferable over single square brackets [ ] in Bash?
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[[ has fewer surprises and is generally safer to use. But it is not portable - POSIX doesn't specify what it does and only some shells support it (beside bash, I heard ksh supports it too). For example, you can do
[[ -e $b ]]
to test whether a ...
Explain the concept of a stack frame in a nutshell
...In the case of a call stack, a stack frame would represent a function call and its argument data.
If I remember correctly, the function return address is pushed onto the stack first, then the arguments and space for local variables. Together, they make the "frame," although this is likely architec...
Best branching strategy when doing continuous integration?
...Since I'm familiar with Cruise Control, I also blogged about task branches and CI here. It's an step by step tutorial explaning how to do it with Plastic SCM.
Finally, I found some of the topics about CI (and potentially talking about branching) at Duvall's book on CI very interesting too.
Hope yo...
Why not be dependently typed?
... a dependently-typed language". The implication seems to be that with more and more language extensions, Haskell is drifting in that general direction, but isn't there yet.
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Why does the expression 0 < 0 == 0 return False in Python?
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I believe Python has special case handling for sequences of relational operators to make range comparisons easy to express. It's much nicer to be able to say 0 < x <= 5 than to say (0 < x) and (x <= 5).
These are called chained comparisons. And th...
What is the difference between max-device-width and max-width for mobile web?
I need to develop some html pages for iphone/android phones, but what is the difference between max-device-width and max-width ? I need to use different css for different screen size.
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What are some (concrete) use-cases for metaclasses?
I have a friend who likes to use metaclasses, and regularly offers them as a solution.
19 Answers
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Why does Twitter Bootstrap Use Pixels for Font Size?
...ding behind the browser zoom excuse. Really sad to see such a heavily used and influential framework completely ignore accessibility issues and a fundamental cornerstone of responsive design. They are in a position of great responsibility and unfortunately seem to have no intention of acting accordi...