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Rails update_attributes without save?
...utes({ :name => 'Josh', :is_admin => true }) raises an error message and doesn't actually set the user's name property.
– Ajedi32
Sep 5 '12 at 19:50
7
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Check status of one port on remote host [closed]
I need a command line that can check the port status on a remote host. I tried ping xxx.xxx.xxx.xxx:161 but it doesn't recognize the "host". I thought it was a "good" answer until I did the same command against a host I know has that port open. This is for a batch file on Windows that will chec...
JavaScript seconds to time string with format hh:mm:ss
... call it on them too. I also found this answer that would remove the hours and minutes if they were not needed.
– alunsford3
May 25 '12 at 5:44
21
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Visual Studio 2010 - C++ project - remove *.sdf file
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You can safely delete the .sdf file and ipch folder but you can also stop VS from putting those files in the project folder in the first place. (Useful if you have your source in an SVN or other synchronised folder, or if you store your project on a small volum...
Best way to encode text data for XML in Java?
... you recommend such a library? (I find it surprising that this is not a standard part of Java edition 5...such a common task).
– Tim Cooper
Nov 16 '09 at 6:23
4
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How to declare Return Types for Functions in TypeScript
...eturn type is specified on the greet() function. Change the type to number and you'll get warnings.
class Greeter {
greeting: string;
constructor (message: string) {
this.greeting = message;
}
greet() : string {
return "Hello, " + this.greeting;
}
}
var greeter...
How to access object attribute given string corresponding to name of that attribute
...
There are built-in functions called getattr and setattr
getattr(object, attrname)
setattr(object, attrname, value)
In this case
x = getattr(t, 'attr1')
setattr(t, 'attr1', 21)
share
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Is std::unique_ptr required to know the full definition of T?
...
Adopted from here.
Most templates in the C++ standard library require that they be instantiated with complete types. However shared_ptr and unique_ptr are partial exceptions. Some, but not all of their members can be instantiated with incomplete types. The motivation for ...
Understanding implicit in Scala
I was making my way through the Scala playframework tutorial and I came across this snippet of code which had me puzzled:
...
Best way to define error codes/strings in Java?
I am writing a web service in Java, and I am trying to figure out the best way to define error codes and their associated error strings . I need to have a numerical error code and an error string grouped together. Both the error code and error string will be sent to the client accessing the web ser...