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What are type lambdas in Scala and what are their benefits?
... to some third monad. When you start to stack, these kinds of constructs become very necessary. I never instantiate an FG, of course; it's just there as a hack to let me express what I want in the type system.
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LEN function not including trailing spaces in SQL Server
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This is clearly documented by Microsoft in MSDN at http://msdn.microsoft.com/en-us/library/ms190329(SQL.90).aspx, which states LEN "returns the number of characters of the specified string expression, excluding trailing blanks". It is, however, an easy detail on to miss if you're not wary.
You n...
Make anchor link go some pixels above where it's linked to
...s already on the page, it doesn't for example when the user visits example.com/#anchor from example.com/about/.
– erb
Mar 18 '14 at 13:58
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When saving, how can you check if a field has changed?
...stead of overwriting init, I'd use the post_init-signal docs.djangoproject.com/en/dev/ref/signals/#post-init
– vikingosegundo
Nov 24 '09 at 22:43
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Catching an exception while using a Python 'with' statement
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As noted in stackoverflow.com/questions/5205811/…, the try block here is really too broad. No distinction is made between exceptions while creating the context manager and those in the body of the with statement, so it may not be a valid solution fo...
Is returning null bad design? [closed]
...t's used as a substitute for empty containers (or strings). That's not the common case though.
– MSalters
Aug 14 '09 at 8:17
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How to get folder path from file path with CMD
...ime of file
%~zI - expands %I to size of file
The modifiers can be combined to get compound results:
%~dpI - expands %I to a drive letter and path only
%~nxI - expands %I to a file name and extension only
%~fsI - expands %I to a full path name with short names only
This i...
Eclipse IDE: How to zoom in on text?
...hat made a plugin for eclipse at this google code site: http://code.google.com/p/tarlog-plugins/downloads/detail?name=tarlog.eclipse.plugins_1.4.2.jar&can=2&q=
It has some other features for eclipse, amongst which is Ctrl++ and Ctrl+- to change the font size, it's frickin' awesome.
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How to add to an existing hash in Ruby
...e new hashes from arrays
Hash[[[:a, "a"]]]
# => {:a=>"a"}
When it comes to "inserting" things into a Hash you may do it one at a time, or use the merge method to combine hashes:
{ :a => 'a' }.merge(:b => 'b')
# {:a=>'a',:b=>'b'}
Note that this does not alter the original hash...
Debugging WebSocket in Google Chrome
... show you how to debug/inspect WebSocket traffic with Fiddler. codeproject.com/Articles/718660/…
– engineforce
Jan 31 '14 at 21:20
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