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Cast Object to Generic Type for returning
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I know it's from the OP, but really { catch(ClassCastException e) { return null; } is unforgiveable
– artbristol
Jan 25 '13 at 16:38
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range() for floats
...esented are based on iterating over integers and deriving the final floats from the integers. This is more robust. If you do it directly with floats, you risk having strange one-off errors due to how floats are represented internally. For instance, if you try list(frange(0, 1, 0.5)), it works fine a...
Handling very large numbers in Python
...ly large numbers. In Python 2.5+, this type is called long and is separate from the int type, but the interpreter will automatically use whichever is more appropriate. In Python 3.0+, the int type has been dropped completely.
That's just an implementation detail, though — as long as you have vers...
How to secure RESTful web services?
... SSL Cert when you contact them on https? Well servers can request a cert from a client so they know the client is who they say they are. Clients generate certs and give them to you over a secure channel (like coming into your office with a USB key - preferably a non-trojaned USB key).
You load t...
How do you know a variable type in java?
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I learned from the Search Engine(My English is very bad , So code...)
How to get variable's type?
Up's :
String str = "test";
String type = str.getClass().getName();
value: type = java.lang.String
this method :
str.getClass().getSi...
How to apply shell command to each line of a command output?
Suppose I have some output from a command (such as ls -1 ):
8 Answers
8
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Location of sqlite database on the device
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Just in case if you like to obtain the path from the app, it's context.getDatabasePath("<your-database-name>"). Which in fact returns the path above. You can access this path for read-write but only from application that created the database.
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Bash Script : what does #!/bin/bash mean? [duplicate]
...interpreted and run by the bash shell.
Some other example shebangs are:
(From Wikipedia)
#!/bin/sh — Execute the file using sh, the Bourne shell, or a compatible shell
#!/bin/csh — Execute the file using csh, the C shell, or a compatible shell
#!/usr/bin/perl -T — Execute using Perl with th...
Why does += behave unexpectedly on lists?
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At first it feels weird to think that a += b is different from a = a + b for two lists a and b. But it makes sense; extend would more often be the intended thing to do with lists rather than create a new copy of the entire list which will have higher time complexity. If developers n...
How to add global ASP.Net Web Api Filters?
... Web API's is named ApiController) MVC filters and Web API filters inherit from different FilterAttribute classes (both share the same name in this case, but are separate classes which live in their respective namespaces).
Web API global filters are registered through the HttpConfiguration object a...