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Is 'float a = 3.0;' a correct statement?
...
It is not an error to declare float a = 3.0 : if you do, the compiler will convert the double literal 3.0 to a float for you.
However, you should use the float literals notation in specific scenarios.
For performance reasons:
Specif...
Combining node.js and Python
...s the method on the python object
client.invoke("hello", "World", function(error, reply, streaming) {
if(error){
console.log("ERROR: ", error);
}
console.log(reply);
});
Or vice-versa, node.js server:
var zerorpc = require("zerorpc");
var server = new zerorpc.Server({
hel...
How to know if an object has an attribute in Python
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hasattr is exactly the same as using try/except AttributeError: the docstring of hasattr (in Python 2.7) says that it uses getattr hand catches exceptions.
– Jeff Tratner
Apr 27 '12 at 3:04
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How to get just one file from another branch
...t can be a good question to ask here, with specific details like the exact error message, and version of Git and OS used.
– VonC
Jun 5 '14 at 21:23
2
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Simulate delayed and dropped packets on Linux
...empting to use tc qdisc change on an interface with no rules will give the error RTNETLINK answers: No such file or directory.
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How to install CocoaPods?
...ed to install but always failed because of the starting steps. I found one error whereby I can't install gems first. Can anyone give me the steps one by one? How to install or demo.
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Groovy: what's the purpose of “def” in “def x = 0”?
...able("y")
} catch (groovy.lang.MissingPropertyException e) {
println "error caught"
}
Prints: "error caught"
Using the def keyword in larger programs is important as it helps define the scope in which the variable can be found and can help preserve encapsulation.
If you define a method in ...
Create Windows service from executable
...egistering a non-service executable as a service, you'll get the following error upon trying to start the service:
Error 1053: The service did not respond to the start or control request in a timely fashion.
There are tools that can create a Windows Service from arbitrary, non-service executab...
Remove .php extension with .htaccess
... remove space between [L, space QSA] flags, otherwise 500 Internal Server Error will cause.
– Rahil Wazir
Mar 2 '14 at 17:12
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Is it ok to use dashes in Python files when trying to import them?
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the problem has nothing to do with style, it's a syntax error
– user3850
Apr 19 '09 at 0:09
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