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What's the false operator in C# good for?
...nd || operators.
The && and || operators can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&.
For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-...
Formatting a float to 2 decimal places
..."{0:$#,##0.00;($#,##0.00);Zero}", value);
This will output “$1,240.00″ if passed 1243.50. It will output the same format but in parentheses if the number is negative, and will output the string “Zero” if the number is zero.
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How to deal with SQL column names that look like SQL keywords?
...icks, stackoverflow.com/questions/2901453/… This question/answer is specific to MS SQL Server.
– tvanfosson
Oct 3 '13 at 15:02
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Sublime Text 2 multiple line edit
...
Highlight the lines and use:
Windows: Ctrl+Shift+L
Mac: Cmd ⌘+Shift+L
You can then move the cursor to your heart's content and edit all lines at once.
It's also called "Split into Lines" in the "Selection" menu.
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How do you stop tracking a remote branch in Git?
...h>.merge
Remove the upstream information for <branchname>.
If no branch is specified it defaults to the current branch.
(git 1.8+, Oct. 2012, commit b84869e by Carlos Martín Nieto (carlosmn))
That will make any push/pull completely unaware of origin/<remote branch name>.
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How do you clear Apache Maven's cache?
...alls on our projects using Windows Vista or Windows 7 sometimes produce artifacts with the same data as a previous build even though the newer artifact's files should have been updated.
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The modulo operation on negative numbers in Python
...nnegative result is often more useful. An example is to compute week days. If today is Tuesday (day #2), what is the week day N days before? In Python we can compute with
return (2 - N) % 7
but in C, if N ≥ 3, we get a negative number which is an invalid number, and we need to manually fix it up ...
Why should I care that Java doesn't have reified generics?
...the candidate wished to see added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there.
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In CSS what is the difference between “.” and “#” when declaring a set of styles?
What is the difference between # and . when declaring a set of styles for an element and what are the semantics that come into play when deciding which one to use?
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Prevent screen rotation on Android
...reenOrientation="landscape"
to the <activity> element/s in
the manifest and you're done.
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