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How to declare Return Types for Functions in TypeScript
... to number literal. the compiler will infer both types and you will get an error if you try to assign a string to a number.
class Greeter {
greet() {
return "Hello, "; // type infered to be string
}
}
var x = 0; // type infered to be number
// now if you try to do this, you will...
Linux equivalent of the Mac OS X “open” command [closed]
...en &>/dev/null' yields approximately the desired behavior (although errors from xdg-open itself (as opposed to just the launched program) would also be silenced, which is undesirable).
– Max Nanasy
Nov 16 '12 at 10:04
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Failed loading english.pickle with nltk.data.load
..._data] Downloading package punkt to /home/my_user/nltk_data... [nltk_data] Error downloading 'punkt' from [nltk_data] <https://raw.githubusercontent.com/nltk/nltk_data/gh- [nltk_data] pages/packages/tokenizers/punkt.zip>: HTTP Error [nltk_data] 503: first byte timeout
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Resharper- Find all unused classes
...
First enable "Analyze Errors In Solution" (right-click on the Resharper icon in the status bar).
Then right-click the solution node and select "Find Code issues". In the "Inspection results" tool window you can group by "Issue type" and look for ...
ASP.NET MVC Conditional validation
...eld (e.g. if A=true, then B is required), while maintaining property level error messaging (this is not true for the custom validators that are on object level) you can achieve this by handling "ModelState", by simply removing unwanted validations from it.
...In some class...
public bool Propert...
Unable to execute dex: GC overhead limit exceeded in Eclipse
...ed the Git project OsmAnd and went to compile it,
Eclipse returned these errors:
9 Answers
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Foreign key constraints: When to use ON UPDATE and ON DELETE
...s attempt to delete these related records (often automatic) will result in error.
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Writing a dict to txt file and reading it back?
... as a string; but you want to turn the string back into a dictionary.
The error message you saw was because self.whip was a string, not a dictionary.
I first wrote that you could just feed the string into dict() but that doesn't work! You need to do something else.
Example
Here is the simplest ...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
...es around the arguments is rather unusual, but at least it avoids a syntax error... :-)
– PhiLho
Dec 2 '08 at 20:00
60
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Import SQL dump into PostgreSQL database
...ve tried that psql mydatabase < C:\database\db-backup.sql but i get the error Invalid command \database. I also tried with " " around it.
– dazz
Jul 27 '11 at 10:05
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