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Java enum - why use toString instead of name
...lue. Never test it against a specific string. If your code breaks when someone correctly changes the toString() return, then it was already broken.
From the javadoc (emphasis mine) :
Returns a string representation of the object. In general, the
toString method returns a string that "textuall...
Is it possible to install iOS 6 SDK on Xcode 5?
Xcode 5 has a preferences pane that allow one to download iPhone 6.1 simulator, however I can't find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 ...
How do I unload (reload) a Python module?
... edited Feb 13 '14 at 22:41
Honest Abe
6,84444 gold badges3939 silver badges5656 bronze badges
answered Jan 28 '09 at 14:03
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E11000 duplicate key error index in mongodb mongoose
... this document. Because of the unique constraint, MongoDB will only permit one document that lacks the indexed field. If there is more than one document without a value for the indexed field or is missing the indexed field, the index build will fail with a duplicate key error.
You can combine the un...
How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
...lways' (since 1979, if not earlier) supported the -o option which can list one of the input files. However, that is in part because sort must read all its input before it can write any of its output. Other programs sporadically support overwriting one of their input files. You can find a general p...
Difference between EXISTS and IN in SQL?
...elect count(*) from [table] where ...
--this statement is true as soon as one match is found
exists ( select * from [table] where ... )
This is most useful where you have if conditional statements, as exists can be a lot quicker than count.
The in is best used where you have a static list to pas...
Parallel.ForEach() vs. foreach(IEnumerable.AsParallel())
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They do something quite different.
The first one takes the anonymous delegate, and runs multiple threads on this code in parallel for all the different items.
The second one not very useful in this scenario. In a nutshell it is intended to do a query on multiple thread...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
...e/path, and then apply a rule that says that .. should remove the path component before it (file.rb in this case), returning /absolute/path/to/relative/path.
Is this best practice? Depends on what you mean by that, but it seems like it's all over the Rails code base, so I'd say it's at least a comm...
Loop through files in a folder using VBA?
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Still one question. I could severely improve the speed if DIR would loop starting with the most recent files. Do you see any way to do this?
– tyrex
Apr 30 '12 at 9:04
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?
... if that's the case before trying to write your own.
Maybe You Don't Need One
TypeScript now supports the --allowJs flag and will make more JS-based inferences in .js files. You can try including the .js file in your compilation along with the --allowJs setting to see if this gives you good enough...