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Is there hard evidence of the ROI of unit testing?
...y believe you don't need more expensive ones?
This argument is either won based on trust (one of the fundamental values of agile teams) or lost based on role power of the winning party. Even if the TDD-proponents win based on role power I'd count it as lost.
...
Overriding id on create in ActiveRecord
...ng a migration and creating a table, and incurring the overhead of the database on every call, you just store your data in yml files. The foreign keys in the database reference the in-memory ids in the yml.
ActiveHash is great for picklists and small tables that change infrequently and only change...
Small Haskell program compiled with GHC into huge binary
...0.3.so => ...
libHSOpenGLRaw-1.1.0.1-ghc7.0.3.so => ...
libHSbase-4.3.1.0-ghc7.0.3.so => ...
libHSinteger-gmp-0.2.0.3-ghc7.0.3.so => ...
libHSghc-prim-0.2.0.0-ghc7.0.3.so => ...
libHSrts-ghc7.0.3.so => ...
libm.so.6 => /lib/libm.so.6 (0x00007ffa4ffd6000)
...
Is Response.End() considered harmful?
...ided only for compatibility with ASP—that is, for
compatibility with COM-based Web-programming technology that preceded
ASP.NET.preceded ASP.NET. [Emphasis added]
Response.Close
This method terminates the connection to the client in an abrupt manner and is
not intended for normal HTTP request pr...
How do I check if there are duplicates in a flat list?
...an be ignored, which is the ultimate shortcut.
This is an interesting set based approach I adapted straight from moooeeeep:
def getDupes(l):
seen = set()
seen_add = seen.add
for x in l:
if x in seen or seen_add(x):
yield x
Accordingly, a full list of dupes would b...
How to automatically select all text on focus in WPF TextBox?
...bleClickEvent,
new RoutedEventHandler(SelectAllText));
base.OnStartup(e);
}
void SelectivelyIgnoreMouseButton(object sender, MouseButtonEventArgs e)
{
// Find the TextBox
DependencyObject parent = e.OriginalSource as UIElement;
while (parent ...
What is the difference between LL and LR parsing?
... LL parse, the parser continuously chooses between two actions:
Predict: Based on the leftmost nonterminal and some number of lookahead tokens, choose which production ought to be applied to get closer to the input string.
Match: Match the leftmost guessed terminal symbol with the leftmost unconsu...
In Flux architecture, how do you manage Store lifecycle?
...when you need Store #1 update itself, and then have Store #2 update itself based on both the Action and on the state of Store #1. Flux assumes this situation is an eventuality in a large application. Ideally this situation would not need to happen, and developers should strive to avoid this comple...
String.IsNullOrWhiteSpace in LINQ Expression
...pe))
);
return exp;
}
return base.VisitMethodCall(node);
}
}
public static class EfQueryableExtensions
{
public static IQueryable<T> WhereEx<T>(this IQueryable<T> queryable, Expression<Func<T, bool>> where)
{
...
How can I delete a file from a Git repository?
.... Forgetting I did this, I later performed a git add -A from the website's base directory. Subsequently, git status showed the new files needing committing. Now I needed to delete them from git's tracking and version control...
Sample output below is from what just happened to me, where I unintenti...